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Horsepower: James Watt and the Transition from Horse to Steam

The History Guy: History Deserves to Be Remembered

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How much power is there in a horsepower, where does the term come from, and how did it become the most common way of talking about the power of a car engine? In fact the history of horsepower begins in the 18th century, and with a man whose name has become synonymous with a measurement of power - James Watt. It is history that deserves to be remembered.
This is original content based on research by The History Guy. Images in the Public Domain are carefully selected and provide illustration. As very few images of the actual event are available in the Public Domain, images of similar objects and events are used for illustration.
You can purchase the bow tie worn in this episode at The Tie Bar:
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All events are portrayed in historical context and for educational purposes. No images or content are primarily intended to shock and disgust. Those who do not learn from history are doomed to repeat it. Non censuram.
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The History Guy: History Deserves to Be Remembered is the place to find short snippets of forgotten history from five to fifteen minutes long. If you like history too, this is the channel for you.
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Script by JCG
#history #thehistoryguy #Horsepower

Опубликовано:

14 янв 2021

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Комментарии : 996

@allanlank 3 года назад

At the Ontario Science Centre, there is a stationary bicycle that measures the "horse power" of the rider. I was able to generated one half of an HP. Which half of the horse I am, is debatable.

@lakrids-pibe 3 года назад

Slap my donkey and call me Sally.

@rubberneck2855 3 года назад

Ha ha

@airfrere 3 года назад

Your wife will know. :)

@CraftAero 3 года назад

In the mid-70's they had those bikes power a car stereo. Pedalling your nuts off got you a few seconds of music.

@allanlank 3 года назад

@@lakrids-pibe Blackadder?!

@peteengard9966 3 года назад

How about an episode on Rudolph Diesel? The industrial revolution was a great time in human history that deserves to be remembered.

@jimtaylor294 3 года назад

Especially if adding in the other chaps whom had a concomitant role in developing what we'd now call the Diesel Engine. (a bit like many other innovations; Von Diesel wasn't the only person working on one)

@crunchie83 3 года назад

Then you might enjoy the guy who plays Hagrid in Harry Potter giving you the history of Rudolph Diesel and his engine in this video: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-pzFiRsJQvqc.html

@Grassyknolldallas 3 года назад

I love the smell of gas and diesel. Fire is pretty

@phrogman4654 3 года назад

Wondering who has more HP Rudolph or Donner.

@acchaladka 3 года назад

As long as THG includes the interesting mysterious circumstances around his death....

@DawnOldham 3 года назад

He was despairing that he would stay in the minor leagues and suddenly he was in the big leagues, reaping the rewards of many years of hard work. I love stories like this!

@hueyiroquois3839 3 года назад

It's interesting that a history video on RU-vid gave a more complete explanation of how many horsepower a horse can produce than any other source I've seen.

@cedricgist7614 3 года назад

You were in the military, weren't you? Funny, I was watching the "Mission Impossible" franchise this past weekend and noted some of the helicopters they used. And of course, some were the UH1 Iroquois.

@hueyiroquois3839 3 года назад

@@cedricgist7614 I've never been in the military. I was just wanted to fun of someone a couple years ago who identified as an attack helicopter.

@cedricgist7614 3 года назад

@@hueyiroquois3839 - Well, you got me!

@PortugalZeroworldcup Месяц назад

Richard Trevithick (born April 13, 1771, Illogan, Cornwall, England-died April 22, 1833, Dartford, Kent) was a British mechanical engineer and inventor who successfully harnessed high-pressure steam and constructed the world's first steam railway locomotive (1803). Acoustic guitar - Spain Hair dryer, photography, balon d'or - france Periodic table - Russia Lazer, gps, keyboard, RU-vid, vogue magazine, synthesizer, bra, electric guitar 🇺🇸, USA Video games, watch, car - Germany Fountain pen, helicopter, Rubik's cube 🇭🇺 Hungary

@Ivanalager 3 года назад

Funny, the first steam engines were used in breweries. Priorities.

@njpaddler 3 года назад

They also had the demand to meet.

@randycompton5230 3 года назад

I wrote a paper in college about how beer production affected many industries such as refrigeration and transportation.

@larrywalling2844 3 года назад

🍻

@asquare9316 3 года назад

I remember reading a long time ago that some of the first boilers used in steam engines were copper vats used in the brewing industry.

@gregorymalchuk272 3 года назад

The first steam engines were used to pump water out of mines. The coal was mostly used for heating fuel, Britain long having logged their old growth forests.

@cernejr 3 года назад

I never get tired hearing the stories of these great men. There is a nice antique steam engine in the Henry Ford Museum in Detroit - highly recommended.

@jamesdunn9609 3 года назад

Direct descendant of James Watt here. Thank you for this presentation. He was an amazing man whose contributions to all humanity are often overlooked today.

@CrustyMcButternuts 6 месяцев назад

I'm also a descendant of James Watt (or so my parents say), I grew up in the midwest

@barrishautomotive 3 года назад

I know it's a little niche, but I'd love to see a couple videos on the history of machine tools. The history of lathes, milling machines, and early precision machining tools like gauge blocks and micrometers are absolutely fascinating to me. The industrial revolution was dependent on these developments, and I feel like it is history that deserves to be remembered.

@cedricgist7614 3 года назад

I agree with you. I also know that you've done your own research from time to time on different media, and you could likely do a video or a talk on the subject yourself. Yet, like me, you'd appreciate seeing how The History Guy tackles the topic and how he can make it "worth remembering." Good comment!

@1pcfred 3 года назад

@@cedricgist7614 I've done the research and the information has been lost in time. Maudslay gets the credit but he was not the first. He's only the first we know of. Supposedly the first may have been a French man? But who exactly that was no one knows today. It is literally history no one remembers.

@BuzzinVideography 3 года назад

Yes. I've long questioned who and where our lathes come from

@riazhassan6570 2 года назад

@@BuzzinVideography The principle is an ancient one, probably dating back to Middle Eastern or Far Eastern times. The development of viable axles for the better functioning of wheels, or of wheel based machines, or of making the wheels themselves, would have generated a need for some sort of rotation acting against cutting and grinding implements

@SolidRoot 2 года назад

Check out a channel called "Machine Thinking"

@cadenbecker2952 3 года назад

The powerhouse museum is around the corner, walked past that steam engine that many times without knowing what it was. Ill have to go back, as a mechanic that is pretty cool.

@derrekvanee4567 3 года назад

A mexhsjicnw mechanic 2ho doesn't know what a steam engine is? That's a hit and a miss. Ehehehe I'm a brain mechanic and I call your bs. Show us your steamy engine around the corner.

@cadenbecker2952 3 года назад

@@derrekvanee4567 hahah sorry mate but the one he was referring to is here in Sydney no need to be so but hurt jeez

@alexanderperry1844 3 года назад

Admire the engine and James Watt then have a BEER, and if people ask what you are doing, say it is a "homage" and have another one ....

@LuckyBaldwin777 3 года назад

That's very cool.

@cadenbecker2952 3 года назад

@@mbbb9244 I went to Nasas kennedy centre for a school trip and saw the one there too which was awesome

@intheheatoflisbon6733 3 года назад

A fellow Scot 🙂. Amazing for a small nation . Gave the World some great inventions. Long live Bonnie Scotland 🙂.

@larrywalling2844 3 года назад

🤘🏻😎🏴󠁧󠁢󠁳󠁣󠁴󠁿

@intheheatoflisbon6733 3 года назад

@@larrywalling2844 🙂👍🍀😀🍻.

@JayKayKay7 3 года назад

The Scots have always been notable engineer's. See Scotty on Star Trek.

@JEEDUHCHRI 3 года назад

Also gave the world one of the best philosophers ever, Hume.

@uwusmolbean 3 года назад

also Rootes blower. (a type of air compressor)

@patfontaine5917 3 года назад

Still the only RU-vid channel that rates a thumbs up before it even starts. Phenomenal presentation, sir!

@Raums 3 года назад

My favourite channel too, every episode is top notch and I find myself engaged even in topics I’d never dream of searching for. A delight to watch :-)

@giebby369 3 года назад

You need more Mark Felton

@robertfromtexas2480 3 года назад

True.. I've never watched a video from the history guy that didn't deserve a thumbs up

@williamgauntt1164 3 года назад

Well done indeed...

@shawnr771 3 года назад

@@giebby369 Mark Felton is also top notch.

@waynecampeau4566 3 года назад

I remember an episode of "Connections" where James Burk said his major improvement to the steam engine was made when he was hired to repair a huge lift pump engine. It had broken the massive rocker arm. Watt noticed that the beam was not rotten, but perfectly sound, but somehow the engine had produced so much power that it snapped an 18" square beam like a toothpick. This engine had a huge cylinder (over 6 feet in diameter) that was surrounded with a cold water bath. The steam would be let in allowing the piston to rise, then shut off at the top of the stroke. The cooled walls of the cylinder would condense the steam causing a vacuum that pulled the piston down. The engine had a very slow cycle on the order of 2 minutes per stroke. What had happened was that the outer wall of the cylinder had worn thin over the years and a small hole was opened, when the piston rose and exposed the hole, a small amount of cold water entered the 100% steam atmosphere. This caused the steam to almost instantly flash condense creating an enormous vacuum compared to normal, the piston yanked down with over 50 times its normal power and broke the beam. If you look a at steam locomotives you can see they are always dripping a lot of water around the pistons. They used a lot of water and had to stop frequently to take on water far more than fuel.

@Matt02341 3 года назад

So the vacuum causes even more force, huh? 🤔

@waynecampeau4566 3 года назад

@@Matt02341 In this case yes. Remember these were very early, very large steam engines, very low pressure, very long cycle. They were maybe at most 2 PS on the inflate cycle and at most 1/2 psi on the deflate cycle. When the water flash condensed the steam, it created a vacuum on the order of 12 to 13 PSI. Modern steam engines routinely work at 600 to 3000 PSI for pistons to turbines, and they are proportionally smaller.

@waynecampeau4566 3 года назад

Also, most modern steam engines have huge condensers. From 300 foot high cooling tower to the entire ocean (or a fast running river) as the heat sink. No days we primarily use the pressure side of the cycle to derive power, but back then they used both sides. With a locomotive running 20 to 30 PSI on the supply and -14 on the sink, it made small high power locomotive possible. Just look at how small the piston assemblies were on steam locomotives. Usually only 4 8" to 10" pistons could drive a normal 10 car train. When we needed more power there were monsters like 16 to 32 cylinder shays that could deliver well over 7000 HP.

@etherealrose2139 3 года назад

@@Matt02341 particles cause the force. The excess on one side and the lack thereof on the other side.

@thefelper.7181 3 года назад

Intersting! Thank you!

@Skreedence 3 года назад

You are the history guy that deserves to be remembered!

@ronaldschoolcraft8654 3 года назад

As an engineer, I am aware of this history. However, many people are not. Thanks.

@cedricgist7614 3 года назад

Appreciate your taking time to comment. I was in a Mechanical Engineering program that got the best of me after two years. Still, I took away the definition we were taught my first week: "Engineers are problem-solvers." I have had a respect for those who completed their courses in their disciplines ever since. The thing I haven't appreciated is those engineers who don't relate to the guy in the field, designing tools, machinery, processes, systems, etc. that tax human workers as if they are machines. I guess I'm a little bitter because of my youngest brother's experience on two jobs in the auto industry. I apologize. I know management has a lot to do with a worker's experience. Still, I appreciate your comment. The History Guy does a good job.

@johnfleming7879 2 года назад

My father was an engineer- Watt, and the measurements of horsepower- especially the claimed measurement in automobile horsepower vs actual power delivered at the end of the crankshaft were some of his favorite subjects which he entertained me with as I learned to rebuild engines as a 10 year old kid and onward

@valeriehowden471 3 года назад

Interesting video for my husband. Suggested topics - history of knitting, crocheting, and weaving. Something we take for granted because it is everywhere but where + when did they start? Thanks.

@crunchie83 3 года назад

Weaving is especially interesting because you can directly trace computer science to weaving on automatic looms.

@77thTrombone 3 года назад

Actually, I second that. Textiles are nearly disposable nowadays. (To our own shame.) There fact that we start with sheep hair or flax stalks, and turn them into cordage, and then into fabric (knitted or woven,) and then further into clothing, is quite astonishing, when you think of it. For example (at the newer end of this development line,) consider the geometry of pants.

@1pcfred 3 года назад

Weaving is actually what started the Industrial Revolution. Just ask any Luddite.

@Robert-xp4ii 3 года назад

Every time I watch your videos, I wonder why a network hasn't offered you a Saturday or Sunday morning 30 minute program. I'm amazed just how good everything is about your videos, from the information, to the pictures/videos, to the sound of your voice. You need a marketing team!!

@richardklug822 3 года назад

Your explanation of the terms "horsepower" and "watt" reminded me of my HS physics teacher's favorite joke: "What were the names of the elves who invented electricity?...Amp, Ohm and Erg!".

@vbscript2 3 года назад

Ohm never forgot his dying uncle's advice: With great power comes great current squared times resistance.

@tehbonehead 3 года назад

@@vbscript2 🎶Twinkle, twinkle, little star, 🎶 🎶Power equals i squared r!🎶

@trevorallen2274 3 года назад

Great work as always, sir. Consider the history of the Rock Island Arsenal in Rock Island Illinois. Active since the civil war.

@pmchamlee 3 года назад

At 75 years of age, you provide me such wonderful perspective of my, and my distant family's life. Much obliged, Dear man. 🤠

@tonyk1584 3 года назад

Mrs. Watt: "You need to quit horsing around and get a job". Mr. Watt: "Quit bugging me, I'm really getting steamed"

@jamesengland7461 3 года назад

Ba dum tssssssssss

@Russia-bullies 3 года назад

😄

@TheHailacopter 3 года назад

Everyone has their neighsayers

@TheHailacopter 3 года назад

Shouldn't it have been quit nagging me?

@winstonsmith9533 3 года назад

Oh, Nyuk!

@Calum_S 3 года назад

The Science Museum in London has James Watt's workshop in one of their display halls. As you'd expect for an inventor, it crammed full of 'stuff'.

@oldenslo4141 3 года назад

That's what I tell my wife when she looks in the garage "crammed full of stuff". "Honey, I'm inventing" Wife: "Yeah a junk pile"

@danielhayton9438 3 года назад

When it was being collected the contractor said "Do you want the dust?" "Of course" was the response. Among the contents was a stamp that suggested that Watt could produce "copies" of valuable Italian flutes!

@Vincent_Sullivan 3 года назад

As Edison said: "What you need to invent stuff is an idea and a pile of junk."

@jetsons101 3 года назад

This was a great.... All the early "beam" steam engines were big and usually built in place. They were low pressure steam engines, about 3 or 4 psi. Not until high pressure steam engines were they able to be put in motion as in a road or rail locomotive. High pressure steam, around 1800, is much more efficient use of fuel than low pressure, a safer boiler was the key and the invention of the double-acting cylinder. I love history. Long live the "ROCKET"

@peterkratoska4524 2 года назад

the atmospheric steam engine of Newcomben was far less efficient as Watts improved steam engine. The irony is that Watt's patent and control also stifled the technology because he wasn't interested in high pressure steam engines developed by Trevithick as he thought they were too dangerous. The high pressure engines were able to really proceed after Watt's death.

@eliotreader8220 2 года назад

I think Watt's engines may have worked around 21 psi. I think the later steam engines which worked on about 50 Psi

@masterimbecile 3 года назад

James: "Hey look I invented a better steam engine!" Friends: "You invented WATT?"

@derrekvanee4567 3 года назад

Thays very torqey

@dougjb7848 3 года назад

Get out! GET OUT! And take this up vote with you.

@tenhirankei 3 года назад

"No, it was earliest ancestor that "invented" Watt. They were handing out names and he was next in line. When he was asked what he wanted, he replied 'Jes'. They came back with 'what'? And he said 'Jes' again. They thought he said 'yes' to that and so he was handed the name 'What' which he changed to 'Watt'."

@slartybartfarst55 3 года назад

@@tenhirankei But who's on first?

@jonathanharvey7090 3 года назад

🤣🤣🤣

@OLLE3770 3 года назад

In the town where I live we have a museum (Eskilstuna Stadsmuseum) with a fair number of full size steam engines. I don't know about now (I worked there for a short time as a youth - at that time they ran the machines every Sunday), but I think they run them at least a couple of times a year. Mondays the museum was closed and that was steam-engine/boiler cleaning/maintenance day (draining water/oil from cylinders, check lubrication, sweep the heat tubes of the boiler, etc). Quite nice to have done that, not many have in these days I guess. Every other day was some time spent chopping wood for the boiler - not that fun, especially if the wood was struts from demolished buildings. What I wanted to say is that it quite awesome to see these machines running, the installation there kept all exhausts outside so these sometimes a couple of 100 HP machines runs almost dead silent. But you can feel the power in the floor and air. Pretty awesome.

@danielhayton9438 3 года назад

Watt guarded his patents closely as you said and. on discovering that a patent on the crank already existed, created the Sun & Planet drive to get round someone else's patent.

@goodun2974 3 года назад

Daniel, I see what you did there....

@andreblanchard8569 3 года назад

Yep, the sun and planet drive is less efficient, more difficult to manufacture, and requires more maintenance. It does however run the flywheel at a higher RPM than 1 revolution per stroke of the piston. As soon as the patient on the crank ran out everyone building engines switched to it.

@alfamaize 3 года назад

A unit correction- a couple of times when describing how the horse power came about- you said it was the "energy" to move 33,000 lb-ft in one min. That's actually a unit of power- the energy part is the 33,000 lb-ft. Once you divide that by time, it becomes power. I know it can be hard, as it's easy to mix up the units- in this case, units and what they are called matter quite a bit. And while we do use HP in the US, the Watt (and kW) is a far superior dimension to use. Especially when converting from one kind of power to another- such as electrical to mechanical. Or chemical to mechanical.

@jamesengland7461 3 года назад

Yes, but we love confounding the world with Freedom Units :)

@alfamaize 3 года назад

@@jamesengland7461 I'm sure few here remember that congress passed the Metric Conversion Act in 1975. Didn't go over well. History that deserves to be remember that we forgot.

@GraemePayne1967Marine 3 года назад

@@alfamaize True, the act didn't have much effect in public daily life, but it is still in force (if widely ignored.) Thus we now have the distinction of being the _only_ nation on the planet (along with Liberia) that does not teach or use the Metric system in common daily life. However it is widespread to the point of being extremely common in the sciences and engineering, and therefore in the products of those fields.

@rickyusa1000 3 года назад

I remember the conversion to metric that started in the late'70's. If they hadn't stopped the process in the early '80's we'd be fully converted and everyone except really old people would be comfortable with it. As a side note, the Philippines is all metric except when you ask someone how tall they are. Then they will tell you "I'm 5-3" or however tall they are.

@1pcfred 3 года назад

@@alfamaize I remember that. We went metric for a week. Everything was OK until everyone went to fill their gas tanks at the end of the week. Then it was not OK. Because the oil companies put the US on the international price. Gas went from $1 a gallon to $1 a liter. Which is a 3.8 X increase! Then discussion focused on where we were going to start shooting politicians. And just like that metric went away.

@GraemePayne1967Marine 3 года назад

Thanks for this excellent episode. Having spent most of my working career in electronics and measurement science, I am very familiar with the watt as a unit of energy, and it's relation to horsepower. Yet I had not heard before that the invention of the term "horsepower" was a marketing strategy by James Watt. I learned something new to me, which makes the day a success! Thank you.

@DrivermanO 3 года назад

I live in Birmingham UK, and have visited the Powerhouse Museum in Sydney and seen the Whitbread engine. The Powerhouse is well worth a visit (and so is Sydney!) I enjoy these videos, but this one misses out one important, I think, fact. And that is that Birmingham was the home of Boulton & Watt, which wasn't mentioned, although Boulton was. Watt was a member of the Birmingham Lunatic Society, whose members were many leading scientific lights of the era - Priestley, Wedgwood, etc etc. And Watt is buried in Handsworth, Birmingham, so this great city featured greatly in his life. And before anyone says anything, I was born and brought up in the South of England!

@brothertheo2677 3 года назад

Watt is one of my heroes, along with Charles Parsons and John Harrison the clock maker

@aaronleverton4221 3 года назад

I go with Harrison, Trevithick and Brunel.

@johncoffey4206 3 года назад

Mine are Harrison and Tesla

@gregorymalchuk272 3 года назад

Is Parsons the steam turbine guy? My heroes are James Watt and William Shockley, the steam engine and the transistor are probably the most important inventions in human history.

@brothertheo2677 3 года назад

@@gregorymalchuk272 Yes the turbine guy. Shockley is another hero of mine of course. Wright brothers are another example.

@Vincent_Sullivan 3 года назад

@@gregorymalchuk272 Agreed - but Brattain and Bardeen were also critically important to the invention of the transistor. The three co-inventors of the transistor all brought their unique skill sets to the table and the result changed human history in a big way. At this point the transistor is the most numerous human created artifact on this planet by a wide margin.

@rkayakr 3 года назад

Small correction: watts are the unit of electrical power input to a light bulb, not the output, which is light in in lumens.

@q.e.d.9112 3 года назад

Since energy is neither created nor destroyed the the energy put into the light bulb is the same as the energy output. In incandescent bulbs, those lumens are a small proportion of the total energy output with heat being the majority. But, yes, if you’re talking light output, it makes more sense to use lumens, since there is no direct correlation between electrical energy input and light output.

@kensmith5694 3 года назад

@@q.e.d.9112 He said "light" Your quibble did really apply.

@vitruvianman7170 3 года назад

I live a few blocks from the Power House Museum and never knew the oldest rotating steam engine was there. Amazing what you can learn on RU-vid 😁

@robertgoss4842 3 года назад

THG: Another terrific episode. The quality of writing and video presentation in your programs show the true, underlying value, and the potential for education, of You Tube. Also, you stimulate some of the pithiest and most insightful comments seen anywhere on YT. Nice work by any measure. Oh, and cool bow tie.

@dbmail545 3 года назад

Horsepower is directly converted to watts. European motorcycles are rated in watts output partly because there are at least three different horsepower ratings that yield different numbers.

@derrekvanee4567 3 года назад

Dr fact sheet strikes again. He brings graphs he brings super trivia skills he is Mr fact sheet with. His side kick Zoogle

@TruthNerds 3 года назад

Good point! The most commonly used definitions of a horsepower are metric (1hp ≈ 735.5W) and mechanical (aka imperial: 1hp = 33,000/min as mentioned in the video or about 745.7W) but then there are also electrical horsepower, boiler horsepower, in short, a general zoo of definitions[1] 🙂, as it turns out. What you wrote about European motorcycles is true, by the way, for all vehicles and other powered devices sold in the EU, e.g. also pumps, drills, chainsaws etc. (Metric) horsepowers are only allowed as a supplementary unit in sales and advertising and probably also other commercial contexts. [1] en.wikipedia.org/wiki/Horsepower#Definitions

@dougjb7848 3 года назад

Watt sense does that make?

@jbrhel 3 года назад

Q: Watt is a unit of power? A: Yes.

@paulmorissette5863 3 года назад

Q: Who's on first? A: Do I really have to?

@petersack5074 3 года назад

Power (watts)= amperage X volts = watts

@paulmorissette5863 3 года назад

@@petersack5074 What's on second.

@scottmcgahey9720 3 года назад

@@petersack5074 actually a watt is defined as 1 joule consumed per second

@arthurbarrow2847 3 года назад

I really enjoy your series. And thank you SO much for simply speaking, without distracting music or sound effects! Rock on, THG!

@rogerwhittle2078 3 года назад

I have known for many years, that a 'horsepower' was a derived measurement and that it was James Watt who quantified it. What I didn't realise was; A) his given value - 33000ft/lbs/min - was actually 10% more than the value he actually calculated from horses and B) the type of horse. I sort of 'assumed' (yes, I know the admonition) that Watt would have selected a 'representative horse i.e; not a Shire horse, because they were almost preternaturally powerful, nor a 'pony' because they were rather too light. I imagined horses that pulled canal boats or - my favourite for his choice - the horses which pilled 'Hackney Carriages'. Utilitarian, powerful enough and reliable, a true 'midrange horse'. Thank you also, for pointing out Watt's engine from the Whitbread Brewery in Chiswell Street. I used to work as a Field Engineer on NCR Accounting Machines in the City of London and the surrounding areas. Although the brewery has now gone, at the time (early to mid seventies,) Whitbread kept their Horses there (I think in Chiswell Street) and routinely delivered beer to the City Pubs by dray, I am very grateful that someone, from far, far away at the time, understood the historical value of this engine and worked very hard to preserve it. Yet another great vlog THG, thank you.

@jimurrata6785 3 года назад

Not the output of a lightbulb, it is the consumption of a lightbulb. Output would be measured in lumens or candela. You could do another of these industrial revolution pieces on the history of lighting. From braziers, oil lamps, candles, gas lamps, incandescent, fluorescent and LED lighting. High _lighting_ the reduction of soot in the home and the move away from whaling as electric lighting became more common.

@derrekvanee4567 3 года назад

English mother commenter. Do you speak it. I'm double dog dare you to try thst comment again!

@jimurrata6785 3 года назад

@@derrekvanee4567 I'm not sure what you're asking. Try _what_ again? I speak American.

@williamclegg9105 3 года назад

if read the packaging on early light bulbs in the uk they range from 40 to 100 watt

@jimurrata6785 3 года назад

@@williamclegg9105 Much the same for incandescent bulbs here in the U.S. But that denotes how much electricity they consume, not how much light they emit.

@JohnyG29 3 года назад

@@jimurrata6785 American isn't a language.

@drewbranton8652 3 года назад

Thank you for that info. I already new about most off that history and the missing pierces have been filled in. I live in Byron Bay Australia just to let you know your reach. Keep up the good work. Love your styles

@aprylrittenhouse4562 3 года назад

HG you never cease to amaze and intruct me. Thank You!!

@billfischer6464 3 года назад

I don't even need to get through the beginning ads and I already hit like. This man doesn't have a video out that doesn't deserve at least two thumbs up a person

@michaelmanning5379 3 года назад

According to "How Scots Invented the Modern World," the prominence of Scots in 18th century science and technology can be attributed to free schooling and the leap forward in literacy.

@johnfleming7879 2 года назад

excellent point- and very true

@hbtrustme7196 3 года назад

Entertaining and informative as always.

@derrekvanee4567 3 года назад

You sir look like Anthony vordosine i suggdzt you share you nummy drugs and stories.

@brustdiesel 3 года назад

The History Guy proves, once again, his sublime grasp of history

@lyndondowling2733 3 года назад

Another well presented Factual story from the History Guy. I live just a short walk from the sight of an old Whitbread Brewery in Cheltenham England. Part of it has been preserved and incorporated into a new entertainment complex. In fact, remember it operating back in the 1960's and 70's. Looking at the drawings in your presentation. The Whitbread Brewers depicted were instantly recognizable by the exact same architecture of the one near me. Especially the Coupola ( with ornamental Weathercock atop) high above the rest of the works.

@suzanneroyce9300 3 года назад

Oh, but, the true power of a horse is over their owner’s heart.

@barrishautomotive 3 года назад

In my family, we refer to that as "the illness." We've lost a couple to the illness over the years. They become unemployed and effectively homeless, but they have their horsie, so they're happy.

@Russia-bullies 3 года назад

I would say the same for engines. 😀

@thomaslemay8817 3 года назад

Never fall in love with your tools doing so always results in massive financial loss. Yes a horse is a tool.

@sharonmullins1957 3 года назад

@@thomaslemay8817 I found quite a few people to be "tools", too. :D

@markfryer9880 3 года назад

@@sharonmullins1957 But there are far more people who are Useful Idiots.

@frankdindl790 3 года назад

As an inventor myself I can relate to his opinion about nothing in life more foolish than inventing.

@vbscript2 3 года назад

@David Single It can be done easily enough today. The main problem with it, though, is that, for whatever job it's intended to help the human do, it's usually significantly more efficient to build it to just do that job without the human inside.

@johndufford5561 3 года назад

Right. Inventing is a very speculaive venture. Heard of a guy who invented sponge rubber heels for flaminco dancers to save their kidneys...didn't sell.....

@cedricgist7614 3 года назад

But you can't help it! Inventors are engineers, and engineers are problem-solvers, and that's what you were made to do. You can supplement your lifestyle by doing other things, but your life's passion is solving-problems to benefit others. Hats off to you!

@KlaunVI 3 года назад

Splendid episode. Your passion for history is infectious. I enjoy your enthusiasm. Thank you.

@geneo1976 3 года назад

Another amazing video. I love the way you always seem to change a few of your back round pieces on the shevles. It keeps us on out toes!

@SoloPilot6 3 года назад

We can always count on The History Guy to tell us what's Watt.

@4englishlies875 3 года назад

So very cool, I never knew this. Well momma never lies You need to learn something every day to have a great day. Thanks for proving her right.

@derrekvanee4567 3 года назад

Your momma never lies. She never paid for 1st grade learnings for ya. And it's true. Thank you for showing her truths as correct

@whatshisfacemcwhatnot9550 3 года назад

This is fascinating. Thanks for covering this @The History Guy

@davidtucker3729 3 года назад

best, simple explanation of an HP I have yet heard. Thanks HG as always in top form!!

@Crustymarine 3 года назад

James Burke: Connections

@derrekvanee4567 3 года назад

To the brig for you salty one. Two step it scally wager!

@Crustymarine 3 года назад

@@derrekvanee4567 Nay! I will not go.

@asquare9316 3 года назад

yes, yes, Connections was awesome, a must see

@dawnreneegmail 3 года назад

luved it

@5roundsrapid263 3 года назад

*arc lamp ignites*

@ProperLogicalDebate 3 года назад

There has got to be a way to help and encourage the inventiveness of most if not all people.

@jerrymiller276 3 года назад

It is called something like eddymukayshun. Most people won't do enough of it. You can lead a man to knowledge, but you can't make him think!

@RCAvhstape 3 года назад

@@jerrymiller276 Far easier to indoctrinate children in ideological nonsense than to teach them reading, writing, math, and science.

@JohnyG29 3 года назад

There isn't.

@jerrymiller276 3 года назад

@@RCAvhstape Don't forget that exactly half of the people are less bright than the average! Most schools are not designed to challenge the brightest students, but to help the slightly slower than average student catch on. The very brightest seek out their own education, often enlisting mentors to assist. Gregg Weber's original post is just wishful thinking. You can't reliably overcome laziness or lack of motivation.

@mike30534 3 года назад

@@jerrymiller276 What you're saying is that IQ is just two numbers? Or, is IQ just two letters? I always forget which one...

@tommypartin6431 3 года назад

Excellent video. Out of all the different methods I have heard used to describe horsepower, this was by far the most educational and useful. Well said, History Guy!!!

@skylongskylong1982 3 года назад

Thank you for your videos, at present we live in worrying times, and we appreciate the dedication you put into your history site. It’s a place to go to for clear, and concise entertainment. Best wishes to you, and your team.

@rinardman 3 года назад

If you want to know Watt happened in the past, THG is your man.

@EvanMoon 3 года назад

He makes so much more sense then measuring horses

@maryerb6062 3 года назад

You got that right.

@ballsdeep2520 3 года назад

Weak

@jamesengland7461 3 года назад

I see watt you did there

@alfwatt 3 года назад

There's an old saying in the car business: Horsepower sells engines, Torque wins races Been that way since the beginning.

@crunchie83 3 года назад

Well horsepower is really just the rate at which torque is developed, so how much torque over time... if you're in a speed contest, time matters right?

@utubecustomer0099805 3 года назад

Is there somebody named Torque too?

@77thTrombone 3 года назад

@@utubecustomer0099805 Actually, yes. Jacques du Merd Torque was a French priest who went to Quebec as a missionary. His evangelical skills were lacking, but he found regional acclaim as an itinerant storyteller. Along du Merd Torque's normal circuit, one particular farmer let him sleep in a barn, where the farmer kept a primitive steam engine that he tinkered with, hoping to devise a way to card his sheeps' wool. The farmer's wife was loving, but very religious, and she permitted no gambling on their farm. She was so severe, that she tolerated carding & dyes only in the most distant outbuilding. After a few visits, du Merd Torque started tinkering alongside the farmer. At one point, one of the men's jackets (accounts differ) got caught in the machinery & pulled to shreds. While extricating the shreds, they realized the machine had somehow knitted the pieces together. They replicated the accident & refined the machine. Before long, the two were able to create small batches of knitted wool with it. Long story short, the farmer & wife created large batches of knit hats, which du Merd Torque sold for great profit as he toured his circuit. His tombstone reads: _Here lies a man of the cloth, a spinner of yarns. Through all angles, Torque is a tour de force._ © 2021

@kensmith5694 3 года назад

That saying, if real, is simply false. The engine's power gets to the wheels via a gearbox. The ratio in the gearbox can give you any torque you care to design for.

@77thTrombone 3 года назад

Engineers - kindly remain civil with the non-technologists. Anyone wanting a lite technical primer on _T vs P_ may get one from ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-u-MH4sf5xkY.html.

@knightforlorn6731 3 года назад

excellent. Thanks History Guy, always a fascinating topic. My niece appreciated how many horses were in this one.

@martiniv8924 3 года назад

Loved this history video, the whitbread engine is the oldest surviving rotative engine, the oldest Watt engine is the “Smethwick” engine 1775 , it can be seen working today at the Birmingham think tank museum , and as you drive into Birmingham along the A38 expressway, you can see the huge Boulton & Watt “Grazebrook” blowing engine built in 1715. We also have a fantastic gilded bronze statue of Boulton, Watt, and Murdoch in the city, Watt’s body is interred near his old home in Handsworth, Birmingham . Thanks for doing the video 👍🏻😎

@stumccabe 3 года назад

Watt's invention of the "sun and planet" method of converting reciprocating motion to rotation was simply because the simple crank had been patented by someone else!

@brownr1948 3 года назад

I had to check that, but you are right! en.wikipedia.org/wiki/Sun_and_planet_gear

@maffibaa 3 года назад

Fun fact the steam engine in Sidney Australia's Powerhouse Museum has been restored to full working order.

@jamesrichardthompson 3 года назад

Great museum for those interested in such thing. I visited the museum in 2016 when my family travelled from Kansas, US to Sidney, down under, to visit family and tour parts of Australia.

@NickRatnieks 3 года назад

You mentioned King George III visiting the Chiswell Street brewery in 1887 but I think you meant to say 1787- brewing there ended in 1976 and it is now a venue for events. You may be interested to know that with all the London breweries and gin distilleries closing down, along with a vast amount of industry, that the water table has risen because the huge volume of water extracted by these industries suddenly ended. This has resulted in some deep underground railways encountering ingress of water which never occurred when they were built. Notice the name- Chiswell- so many streets in London have names of wells- the most famous being the Sadler's Wells Opera House while the Gordon's Gin Distillery was in Goswell Street. I was given a tour of the distillery shortly before it closed in 1983.

@SewolHoONCE 2 года назад

To take a efficient idea personally from the the massive to the tiny, that is, a pressure cylinder with valves producing rotary output, consider the rocking cylinder model made from square cross section brass tubing (plans in a magazine I read in high school 1960-1963). 1. The rocking cylinder eliminates the need for joints in the connecting rod. 2. The flat side of the cylinder rocking against the flat side of the engine mainframe makes possible a port in the cylinder moving from a pressure port to an exhaust port in the frame. The result is an easily made, working, “steam,” engine with only 3 (three) moving parts: 1. The piston/connecting rod; 2. The rocking cylinder (square cross section with a hole in the side); 3. The rotating flywheel. I can not post a picture on my channel because a forced move left the model behind. Still, a diy steam engine with only 3 moving parts is intriguing when juxtaposed with all the machinery in this video.

@peterj5751 3 года назад

I love your little snippets of history but I have to pick you up on what is meant by foot pounds. It is a measure of torque, being twisting force. It is a measure of how much twisting power is needed to lift a pound at 1 foot from the centre of the shaft. In other words, it isn’t the power needed to lift a pound a foot. Sorry to be picky. Otherwise it is another great video.

@jeffreytoole2719 3 года назад

That is one of several definitions.

@jimaanders7527 3 года назад

The foot-pound is a unit of energy. The pound-foot is a unit of torque.

@peterj5751 3 года назад

@@jeffreytoole2719 you are quite correct and I hang my head in shame for not listening properly. Oops. So, another great episode without an error.

@korbell1089 3 года назад

His clients stopped paying him...bet that left him steamed!

@gregorymalchuk272 3 года назад

The steam engine and the transistor (and the integrated circuits and computers it makes possible) are probably the most important inventions in human history.

@shawnr771 3 года назад

I read an article a few years ago that one of the best inventions from the 90s was the ink jet printer. The control systems are considered the forerunner of the 3D printers. One day a 3D printer will be like the microwave. A simple appliance. Need something print it. The plastics and processes will only get better, easier and more affordable.

@bradjohnson9671 3 года назад

Another GREAT addition to your ever expanding portfolio of fantastic videos.

@jefferywise1906 3 года назад

Great content as always. Have you seen the Sterling engines used prior to steam engines?

@silverbob8656 3 года назад

The Stirling engine was invented AFTER the steam engine. It was developed as an alternative to the early steam engines whose boilers had a tendency to explode when not operated correctly.

@rnedlo9909 3 года назад

Student: Teacher, I have a question about energy. Teacher: Watt is it?

@StyreneMikesModelShop 3 года назад

I don't comment often but here it comes. History Guy,,, I have NEVER stopped one of your videos before the end and that is because of one simple fact. You have never posted a video that wasn't stuffed full of interesting and (too) little known information. You keep posting them brother and I'll keep watching them. Well Done sir! And Thank you...

@richardhodges3593 3 года назад

Whitbread’s Brewery in Chiswell Street still exists as an event venue.

@ns129 3 года назад

“Which horse?” LOL

@TruthNerds 3 года назад

"So, are you going to buy the horse or not?" "Hmm, I'm not sure… how many horsepowers does it have?" 😉

@darrellsmith4204 3 года назад

Always buy a pregnant horse- that way you get 2 horsepower for the price of 1.

@chinesesparrows 3 года назад

Terrible discrimination. Horse Power is species-ist

@goodun2974 3 года назад

Having eaten horsemeat as a kid during the 1970s spike in beef prices (fillet' a' la' Secretariat, we called it, though filly might have been more accurate), I now reckon that those animals prefer their flesh to remain " on the hoof"!

@Paldasan 3 года назад

What's homophone is a wonderful boon to 'dad' jokes. Child: "Hey dad, you know what?" Dad: "Yes kid, he made a steam engine." Child: "No daaaad!"

@porthose2002 3 года назад

Great video as always, History Guy!

@TheKnowledgeSubway Год назад

Hi THG. I am from India and the kind of narration you have done in this video is just awesome. Thanks for such good knowledgeable content.

@MrWATCHthisWAY 3 года назад

Let’s drink a beer to Mr. Watt’s. Now we just need to figure how to get the pollution out of the air from the coal powered heating systems that powered their boilers! It’s not a perfect world but it’s the only one we have. Love it!!

@derrekvanee4567 3 года назад

Still largely coal powered to heat your phone and tea kettle and Nissan leaf. Trump makes coal first! Da man of da hour fuels America. Coming again to save the horse drawn world yeah. So suck up my ground water and get your horse outta the way yeah.

@MrWATCHthisWAY 3 года назад

@@derrekvanee4567 _ actually the natural gas fired generators or one of the biggest manufactures of electricity and if they use good scrubbers they aren’t that bad for now. But with the removal of these scrubbers that the Trump administration authorized because they cause a loss of efficacy they pollute more now than ever. Reinstall the scrubbers because people want to breathe and low the carbon footprint.

@waynejedynak9443 3 года назад

@@MrWATCHthisWAY are you sure about that? I spoke with an electrician who works at the Trenton generating station and they use the scrubbers and precipitaters.

@MrWATCHthisWAY 3 года назад

@@waynejedynak9443 - state law may require them but several hundred power stations have removed them everyone in Texas. The number maybe in the thousands.

@RCAvhstape 3 года назад

Replacing the coal fired boilers with nuclear reactors to produce steam does the trick.

@hughbrackett343 3 года назад

Watt is probably the only person in history who conservatively rated the horsepower of his engines.

@jockellis 3 года назад

That isn’t quite true. In its early years NASCAR required its race cars to post the horsepower on the sides of the cars. “Come on, man,” would you really expect people like Smokey Yunick to really tell how much HP his cars actually had?

@chasebarber6154 3 года назад

Japanese manufacturers are known to do this on their performance cars.

@paulconsani5160 3 года назад

Many steam traction engines when tested on a dynamo will exceed their ratings.

@jockellis 3 года назад

@@chasebarber6154 In the ‘70s when BS scientists began telling us we were running out of oil, American car manufacturers changed their HP ratings. I remember that Pontiac TransAms went from nearly 300 HP @ about 5,000 rpm to 145 HP @ 2,800 rpm. which was true. But they still had about 300 HP when at 5,000 revs.

@thomasdupee1440 3 года назад

@@jockellis It wasn't BS. Under the circumstances at the time, it was true. It was market restrictions and other factors causing the "oil shortage". It would take too much space to go into all of the factors. Technological changes in oil production also factored into the current resurgence in supply. Eventually, (100 years? 200 years? a very short time) the supply will be depleted.

@reallyseriously7020 3 года назад

I love that Mr. THG is so enthusiastic and happy while presenting his subjects. Watching him always makes me smile. And it's educational too! What more can you ask for?

@fancyultrafresh3264 3 года назад

Truly enlightening episode, thank you.

@WeedMIC 3 года назад

Whitbread trophy bitter - best still made!

@timothycook2917 3 года назад

My truck has 550 horsepower. I'm just always grateful I don't have to raise the hood every day and feed it oats 😏😉

@robertthompson3447 3 года назад

Just put gas in it once a week. 🤔Of course I don't know how to farm gasoline.

@TruthNerds 3 года назад

@@robertthompson3447 You can always switch to forestry and get a wood gas generator for your car. 😁

@jerrymiller276 3 года назад

@@TruthNerds West Virginia and Kentucky would love it if you made coal gas instead.

@sciangear4782 3 года назад

I wonder if in Scotland they felt the need to replace work-horses because the people were eating all the oats?...

@1pcfred 3 года назад

That's what you say now. Just wait until oil hits $300 a barrel.

@joelaut12 3 года назад

Thanks for bringing another fine history lesson to us!

@erinhill2380 2 года назад

Thank you for choosing James Watt. He is a distant relative of mine and it’s not often that he is recognized as a father of the industrial revolution.

@Peasmouldia 3 года назад

Didn't Watt's patent hold back the development of the high pressure simple expansion steam engine? He argued that the cylinder was equivalent to a separate condenser.

@gregorymalchuk272 3 года назад

Probably, and because somebody else owned the patent on a crank and connecting rod, Watt had to use a ridiculous system of two gears, with one of them fixed to the shaft and one left freely rotating in order to bypass the patent. You can see it on the flywheel at 4:00 . I genuinely am starting to think that the patent system stifles innovation.

@Peasmouldia 3 года назад

@@gregorymalchuk272 Absolutely. I've no doubt that the metallurgy existed for the development of the simple expansion engine then, and it was the litigation associated with patent law that held it back. That and a few dozen boiler explosions. Thanks.

@demorgenstern7680 3 года назад

@@gregorymalchuk272 he could have licensed the crank and connecting rod system. It would increase the cost of his steam engine but if it’s truly better than the alternative, customers should be willing to pay the premium. The owner of crank/connecting rod patent would have an incentive to keep the license fee reasonable precisely to avoid someone developing an alternative and bypassing their patent. I’m curious to know if he tried and failed to get the license or if he just decided to develop his own alternative system.

@gregorymalchuk272 3 года назад

@@demorgenstern7680 He was absolutely opposed to licensing anyone else's patent. The idea that patents limit rather than foster innovation is contested. IBM did an internal audit that found tha the value of their cross-licenses (ability to use the patents of other people in the cross-license agreement) outweighed IBM's potential to enforce license requirements on everybody by 10 to 1.

@anthonyjackson280 3 года назад

In part. Watt vehemently opposed 'high pressure' steam applications (where positive steam pressure is the driving force) because of the numerous devastating failures of early pressurized boilers. The metallurgy/technology did not exist at that time to make safe pressure boilers ('high' pressure being ~5 to 15 psi). The original Newcomen/Watt engines were 'atmospheric'. Steam at atmospheric (0 gauge) pressure was drawn into the cylinder on the upstroke and then chilled to condense, forming a partial vacuum which then pulled the piston down (the engines were 'upside down' to modern eyes) for the power stroke. It was Richard Trevithick who championed 'pressure engines' resulting in the first locomotives.

@timeflysintheshop 3 года назад

The was a "powerful" video. 😁

@jamesengland7461 3 года назад

Watt?

@youtube.youtube.01 3 года назад

I would recommend producing a video on the Hispano-Suiza Engine to cover the European internal combustion development which helped aviation gain recognition in WW-1. Thirty years later, allies were bombing the factory. The power-to-weight output was taking aviation expectations to new horizons. It spun offsprings in automobile industry, too. The air-cooled vs. water-cooled engine debate raged.

@Kickinpony66 3 года назад

I always wondered who Coined the Term: Horsepower! Now I know!

@neilmackenzie8345 3 года назад

I "popped" my hood , all I could see was plastic and wires , I believe there is and engine or motor down there somewhere ,but I'll be damned if I can see it by just "pop" the hood .

@constipatedinsincity4424 3 года назад

Back in the saddle again!

@abrahamlincoln9758 3 года назад

You can gallop right out of here with that comment.

@constipatedinsincity4424 3 года назад

@@abrahamlincoln9758 Don't mind if I do. I'll be on the last stagecoach before sundown

@derrekvanee4567 3 года назад

And he's wanted. Dead or alive. A steel cage of knowledge he rides. Bringing the truth straight up your side. Hes hungry. Almost starved and deprived.

@georgegregg2722 3 года назад

Derrek Van Ee .that is such a good song.

@abrahamlincoln9758 3 года назад

Oh, were talking about a song? Whoops, I thought this was a pun thread. My bad.

@wesleyedens7388 3 года назад

This is a wonderful way to start my day. You managed to combine two of my favorite subjects, history and science!! (With a sprinkling of math to boot!!) Excellent episode, well done as usual!

@andrewegan7011 3 года назад

Love your channel. Have been binge watching.

@jockellis 3 года назад

I hate it when it is said that Watt “perfected” the steam engine. L. D. Porta invented a new four port exhaust , announced in 1974, that allowed the Red Devil narrow gauge locomotive in Africa to produce a staggering 3,500 drawbar horsepower. In the ‘30s a young Italian automobile engineering student named Caprotti invented the first modern VTEC system because his first love was steam engines and a professor had told his class that such engines were inherently poor performers. Before this, improvements like combustion chambers and over fire jets allowed more complete combustion and super heaters invented about the fin de siecle/end of the 19th century allowed the 2,500 degree exhaust gasses to be used again. However, to date no steam locomotive has been built with all the advancements so no one knows what the potential efficiency would be with current improvements.

@fubarmodelyard1392 3 года назад

Let's not forget the Doble steam cars of the 20's

@jockellis 3 года назад

@@fubarmodelyard1392 Never heard of them. I’ll google.

@andreblanchard8569 3 года назад

Interesting tidbit. The year that Watts patent ran out at least 2 Newcombe style engines were sold for every Watt engine. The story of Watt vs Newcombe has a lot of parallels to Apple vs IBM pc.

@1pcfred 3 года назад

When your name is used as the unit of power you've perfected something. Everyone's heard Watt's name. That Porta clown, not so much. We do have a Capriotti's sub sandwich shop here though. Maybe they're related? The spelling is awfully close.

@JimFortune 3 года назад

If a horsepower is the work done by one horse, is a kilowatt the work done by one thousand James Watts?

@kensmith5694 3 года назад

Yes, and 1 milihelen is the beauty needed to launch a ship.

@maffibaa 3 года назад

Fun fact the unit horsepower can be related back to James Watt in the metric system. Since the unit horsepower is a unit of power it can be expressed in Kilowatt. 1HP equals 0.7457kW which is commonly used to measure and calculate in the present. It has gone full circle and is a real legacy!

@steveclark4291 3 года назад

Thank you for a very interesting and informative article ! Take care , stay safe and healthy with whatever you maybe doing next !

@kirkmorrison6131 3 года назад

My Great Grandfather pulled an early tractor out of deep mud with a team of Belgian Drays he used to farm.

@kirkmorrison6131 3 года назад

@David Single I love Marry Fergusons but point was how it took a team of drays to pull the unknown brand of tractor out of deep mud

@kirkmorrison6131 3 года назад

@David Single I was happy to hear from a fellow antique tractor fan. Horses and oxen can get down and give straight line of torque. They keep it constant and big drays can pull hard and a long time, if they are constantly working on a farm, pulling logs etc.