Big Old Bristol Hercules Engines COLD STARTING UP and COOL SOUND

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This video features Big Old Bristol Hercules Engines COLD STARTING UP and COOL SOUND. If you like the video hit the like button and SUBSCRIBE :)
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Опубликовано:

28 мар 2022

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Комментарии : 95

@paulsto6516 2 года назад

I admire the guys that keep these things running. Cheers to you for bringing them to you tube.

@jorgefernandez-mv8hu 2 года назад

You have to give a hand to the guys that keep these engines running. Wonderful!

@transtar2000 2 года назад

My first flying experience was in 1958 in a Handly Page Hastings from New Zealand to Singapore it took 3 days powered by 4 of these Big Old Bristol Hercules Engines

@spaceace1006 2 года назад

My birth year!!!!

@rickmacpherson1413 2 года назад

I have had the pleasure of hearing this old piston pounder starting up! Just pure music to my old worn out ears🙂

@LawrenceTheKiwiBryant 2 года назад

@1:50 Grew up in Blenheim NZ listening to the old Bristols flying over a couple of times a day. Awesome memories listening to those old birds!! That particular bird is at Omaka if anyone wishes to know.

@pianoboylaker6560 Год назад

Watching these engines starting up reminds me of the movie Flight of the Phoenix, where, having rebuilt the frame around an engine the men were egging the engine to run before they ran out of starter cartridges. Brilliant. First class.

@vipertwenty249 2 года назад

Stepfather sat in between two of these with nothing but a skin of doped fabric between him and them - he was navigator on a Wellington bomber. Please post a video with not only start up but also full warm up and run at full cruising power. They sound truly awesome at cruise power. A 5 minute video would be ideal. Thanks.

@terciops 2 года назад

Spent a year of my life as a baby pilot flying with a pair of these on the Varsity out of RAF Oakington, Cambridgeshire. Remarkably reliable considering their complexity and age (even in the '60's)

@comethiburs2326 2 года назад

it probably had less moving parts than a comparable radial pushrod engine...It was the oil needed for the sleeves that killed this engine in the end. outside of a military application i dont think i've seen many sleeve valve engines.... not counting the deltic. i'm talking only aircraft stuff. especially with turboshaft and turboprops slapping it in terms of power to fuel requirement pretty hard. pretty damn cool engine to fly. lucky you!

@spaceace1006 2 года назад

OIC! So the oil itself was an issue? The type of oil or just the mechanics of the lubrication?

@terciops 2 года назад

It wasn't the oil itself, although these used a fair bit of it, just keeping the oil cool enough was mostly the issue. The sleeves were oscillating as a function of the porting and these were some large areas to lubricate and cool. They were a way of avoiding / dissipating the cylinder temps at high power otherwise solved with sodium filled valves in other engines. But I put hundreds of hours in on these engines and never had an outright failure. Occasionally one cylinder would give up if the sleeve seized and the drive cam broke, but she kept running, albeit at reduced power. But heh, any power is good power in a twin.

@johndue2366 2 года назад

Note that the sleeve valve design minimized that overall size of the engine. The Hawker Typhoon and Tempest benefited from the sleeve valve design of the Napier Sabre engine by allowing a smaller frontal area in the design.

@comethiburs2326 2 года назад

an engine that might have been the peak piston engine of ww2, in terms of raw power... only to be relegated to training duties or scrapped by 1947.

@vipertwenty249 2 года назад

@@comethiburs2326 Sadly, Napier's interest in quality control was noteably lacking throughout the engines' manufacturing period, resulting in much unreliability, aircraft out of service, maintainance time and costs, so it was no surprise they took them out of service as soon as possible. A really good well built, tuned and maintained example is capable of over 3000hp.

@vk2ig 2 года назад

A guy I went to uni with, his father worked on Napier Sabre engines during WW2. He said bad things happened to the engine if it backfired when starting, resulting in a lot of work.

@moondogdieselworks3883 2 года назад

Love the radials

@jeffcarruthers2605 2 года назад

The second example on the yellow trailer is at the Bomber Command Museum in Nanton, Alberta. Two or three times each summer the museum has a run up day. They also have an Avro Lancaster that they roll out and run up its four Rolls - Royce Merlins. It's quite a show with those Merlins just yards away from the spectators. The Lanc isn't airworthy at this time but I believe there are plans afoot to change that. That would add one more in Canada along with the one in the UK.

@simonframpton7090 2 года назад

With just Jane flying soon and 2 in Canada +the BBMF could be quite a show 😊🥰

@Piqus3 2 года назад

This engine sound is totally incredible, it bang and purr at the same time. I would love to hear that (and feel that too) standing next to it. Thanks for sharing! 👍

@tractorsandengines 2 года назад

Do you like these BRISTOL HERKULES Engines ?

@blatherskite9601 2 года назад

Is the Pope Catholic?

@beaterbikechannel2538 2 года назад

We just had to do it differently didn't we?

@vk2ig 2 года назад

"Does a wild bear crap in the woods, son?"

@northdakotaham1752 2 года назад

Oil burning off in those bottom cylinders. Must be fun pulling those short blades through to prevent hydraulic lock.

@nonopus3125 2 года назад

Damn, i love radial engines.

@beaterbikechannel2538 2 года назад

These sleeve valve engines really are fascinating. Get hold of the book British Piston Aero Engines it's full of tech, photos and diagrams.

@exb.r.buckeyeman845 2 года назад

Bristol England was the origins of the sleeve valve engine, no valves but a cylinder liner that reciprocated to open and close ports like a 2 stroke engine.

@garypeatling7927 2 года назад

Beautiful design could make now with modern materials but smoke from lubricating sleive valves will always be problem and sleive valve reduces actual usable swept stroke . One imagines endless revs no valves to collide with

@jankotze1959 2 года назад

Awesome, thanks very much

@whitesapphire5865 2 года назад

Lovely old "bottom half smokers". I wonder if the cylinders in the bottom half suffer less wear and tear than the ones in the top half. My dad flew in a Bristol Blenheim in WW2. He loved it.

@garypeatling7927 2 года назад

Bottom cylinders get build up of oil in back of piston so this has to be scavenged out on starting , sometimes plugs have to be removed and cleaned . That what I recon

@vk2ig 2 года назад

@@garypeatling7927 You do see those films from WW2, and modern day, of people having to turn over the propeller by hand at least two turns before starting. I heard this was something to do with scavenging out oil building up in the lower cylinders.

@blackroberts6290 Год назад

@@vk2ig And checking for hydrolocks where the bottom cylinders become full of oil the piston won't move. Starting the engine while it is in that state might destroy the hydrolocked cylinder and it's other parts.

@kevintaylor791 2 года назад

They have a cutaway engine that shows the gearing for the sleeve valves at the Museum with the Halifax in Trenton Ontario. Trying to make sense of it nearly melted my brain.

@peterscandlyn 2 года назад

Enjoyed the SAFE Air Bristol freighter.

@christianworthinton8000 2 года назад

Love how the old aircraft engines used straight pipes. That way the enemy knew you were coming to kick butt...

@vk2ig 2 года назад

Interestingly, talking to a couple of elderly friends who were in Beaufighters during WW2 (sadly both have passed away) - the Hercules engines were quieter due to the sleeve valves. This was mythologised by someone reporting from the New Guinea theatre in WW2 that the Japanese call the Beaufighter "The Whispering Death", but there was no post-war confirmation that the Japanese ever used this term. (This isn't to be confused with "The Whistling Death" which was a term for one of the American fighters used in the Pacific ... possibly the Corsair?)

@gordonmackinnon8838 2 года назад

WHAT A DAM FINE ENGIN ..

@scopex2749 2 года назад

Also used on the Blackburn Beverley transport aircraft.

@johnblecker4206 2 года назад

It starts good without much smoke except the bottom cylinders which is normal on radical engines.

@nonoyorbusness 2 года назад

A sleeve valve engine as I recall from Eagle comic 1957!

@brucerideout9979 2 года назад

There's got to be a solution to the stroboscopic effects of digital cameras in creating video of aircraft propeller blades. That said, love the big old radials I worked for longtime around the airplanes of the BC Coast. Otter, Beaver, Grumman Goose. Goosebumps to remember it all.

@fredtedstedman 2 года назад

It would make a hell of a good strimmer !!

@gdfggggg 2 года назад

There’d be no garden left, just a few twigs and a big hole.

@fredtedstedman 2 года назад

@@gdfggggg I was just taken with the dinky little cut off prop !

@fredtedstedman 2 года назад

@@gdfggggg I was just taken with the dinky little cut-off prop ! The guy looks like he needs oxygen mask, thank god health and safety haven't seen this . MyDad started with Gladiators and Swordfish !

@spaceace1006 2 года назад

Too bad that this sleeve-valve concept didn't appear in automotive engines!

@HistoricAeroEngines 2 года назад

One of these engines is in our group and can be seen last weekend at: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-5JMWCPlXJtI.html

@exb.r.buckeyeman845 2 года назад

I just can’t imagine what the crank pin is going through, and how two rows of pistons connect to a single crank ?

@Alanoffer 2 года назад

I wonder if in a hundred years time people will be gathered round to hear the sound of the early electric plane motors ,,,I don’t think so they’ll still want to see and hear this ,,,,if it’s allowed

@poly_hexamethyl 2 года назад

Put it in an Antonov An-2!

@squirtjosie7 2 года назад

Just idle curiosity, I wonder how much better efficiency / power / smooth running could be achieved with the same mechanical engine but running ported EFI, electronic ignition and a sequential collector exhaust manifold ?

@exb.r.buckeyeman845 2 года назад

Loads more I expect.

@slickjimmy76 2 года назад

Have often thought/wondered the same thing myself

@benjimenfranklin7650 2 года назад

That was a different time. It just wouldn't be right to mess with a time piece like this. It would be like trying to change the mechanism in the Big Ben clock in England. It's just something you don't do.

@squirtjosie7 2 года назад

@@benjimenfranklin7650 I wouldn't say to alter an historic example, but I believe the sleeve valve design has benefits to offer that could be optimized by the precision fuel metering offered by EFI and the additional power and reliability of electronic ignition. Alternative, renewable fuels such as biobutanol are much safer than gasoline and could make piston engine aircraft a viable alternative for general aviation when used in an efficient and highly reliable engine design.

@benjimenfranklin7650 2 года назад

@@squirtjosie7 Like I said that would be completely diabolical !

@iwouldliketobelievethattha7561 Год назад

The shutter speed of the camera can't keep up with the RPM of the propeller

@ronmccabe7164 2 года назад

It seems that there no hard connection between the starter and the engine. Is it a fluid drive?

@donblunkall5607 2 года назад

I was wonderin that myself, hum?

@larrylewislarry 2 года назад

Ron, the starter is direct drive but has a multi-plate clutch inside that gradually builds up torque before turning the engine. If a hydraulic lock occurs, the clutch will slip to protect the engine. 675 foot/pounds from memory.

@toejam7606 2 года назад

Video does not do these justice, the ground shakes

@donblunkall5607 2 года назад

I believe it was the last engine that fired either shook the Camara or the photographer

@donblunkall5607 2 года назад

Leaves a guy to wonder how many people walked into blade and what keeps these beasts from takin off

@NH2112 2 года назад

Low RPM and not enough propeller.

@vk2ig 2 года назад

@@NH2112 Indeed. It's obvious these are just "cut-off" propellers designed to give the engine a bit of load.

@tractorsandengines 2 года назад

Where are you from guys ? :)

@chae_shoko 2 года назад

千葉市 Japan :)

@exb.r.buckeyeman845 2 года назад

Filton Bristol England, home of the sleeve valve engine.

@beaterbikechannel2538 2 года назад

Leeds, home of Blackburn aircraft that was.

@joseph-mariopelerin7028 2 года назад

try a warm startup next time

@herbscheit2061 2 года назад

How come some smoke and others dont at all?

@vk2ig 2 года назад

Lots of oil collecting in the lower cylinders? Wear an tear on parts causing more oil seepage?

@curtchase3730 2 года назад

Kinda saddens me to know how much wartime fighting equipment was made knowing most of it would be wrecked before it was even "broken in".

@beaterbikechannel2538 2 года назад

Me too.

@blakehafling6995 2 года назад

When I was a teenager and watching documentaries with my grandfather I brought up this very thought to him. He quickly replied "I like them better as they are now, lawn chairs and beer cans." Kinda put in perspective how the people who lived around this stuff when it was utilized for it's original purpose was happy to see it all go. He had coffee table books of old case traction engines and a hit and miss in the garage but I never seen any items of his from Europe or Korea till after his death.

@pianoboylaker6560 Год назад

I have to say it, I love the sound of these engines. But now that I'm an old farter too, the resemblance of me in the mornings and these old girls is becoming harder to tell the difference.

@leemday5731 2 года назад

It was liked because it was notorious for being not too noise it frightened the crap out of the Japanese who gave it the name whispering death because by the time you heard it it was to late!!!

@vk2ig 2 года назад

That was a name coined by a reporter embedded with Australian forces in New Guinea. Post-war, no-one could find any evidence that the Japanese ever used that name for the Bristol Beaufighter.

@leemday5731 2 года назад

@@vk2ig thanks for that l stand corrected! And learned some thing I didn't know...blame Bill Gunston. ! It came out of his book his words not mine! From which l read when was teenager your grasp of this subject must be Hopelessly fantastic ! Thanks!

@yokoreia 2 года назад

Pod race

@jibeji 2 года назад

At the time of global warming I will never understand these polluters who have just fun with engines. If at least it was of some use, but no

@donblunkall5607 2 года назад

Oh I know, plug em in, that will solve the problem

@PercyPruneMHDOIFandBars 2 года назад

Yes well not everyone wants to waste all the rare earth minerals, or deal with the pollution of creating the "green" alternatives! This is history in action! Not some namby pamby let pollute somewhere else and feel superior rubbish!

@jibeji 2 года назад

@@PercyPruneMHDOIFandBars It would be history in action if there was an aircraft behind this motor. In that case this is just fun. On a trailer.. it's pathetic

@vk2ig 2 года назад

There aren't many people doing this, and they're not doing it all day. It's not like every vehicle on the road is fitted with a Hercules sleeve valve engine. I'd be interested in seeing your assessment of how much contribution these hobbyists make to global warming compared to, say, F1 racing or other forms of car racing, or people dropping off or picking their kids up from school, etc.

@donblunkall5607 2 года назад

If it wasn't for some fun in our lives we would own nothing and not be happy. It's along way better than 1 cruise ship or locomotive or ?