Optimising an Air Engine

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28 июн 2023

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Комментарии : 4,3 тыс.

@TomStantonEngineering 10 месяцев назад

Get an exclusive Surfshark deal! Enter promo code STANTON for an extra 3 months free at surfshark.deals/stanton

@TheKnexMaker 10 месяцев назад

I tried to email you, but no reply. I want to make a magnetic launch like your airplane launcher, but I want to use it for my model roller coasters. wonders if you could send me the reserch sources or any info or tips.

@xmysef4920 10 месяцев назад

I believe this type of engine is called a ”head-valve” engine. It’s so interesting how incredibly simple it is and that it’s used in co2 plane and airhogs planes engines! (basically engines that have the piston hit the valve)

@heinrighbeukes6010 10 месяцев назад

@Tom, good work on the engine design and printing. As for the Formlabs printer, I recommend you print the cylinder barrel slightly under by 0.1mm then use a sized rheem to get it to the correct size but remember to use rotate the rheem backward otherwise, you'll crack the resin print. (have made many smooth formlabs printed cylinders now)

@berkelek 10 месяцев назад

Could you try to make it inline 4 or 6 ????

@GenBumbleBee 10 месяцев назад

been watching for 6 years now. happy to u got a air hogs. every time u uploaded i would "get a air hogs" it would make the build easier to understand.

@judechandler5102 10 месяцев назад

This series is an internet treasure. I can't wait to see where it ends up. Please never stop having ridiculous ideas about using compressed air for propulsion.

@Doribi117 10 месяцев назад

I'd argue not a ridiculous idea, just difficult to pull off in an efficient manner

@jonslg240 10 месяцев назад

It definitely is super awesome He should try getting the compressed air by using heat from gasoline or a fuel oil.. 😉

@IronGoober 10 месяцев назад

Tom is my hero

@jonslg240 10 месяцев назад

@@Doribi117 something can be ridiculous and awesome at the same time =p This wasn't even his idea, it was someone else's..he is just improving on it =p

@chandlerknight-dl3uv 10 месяцев назад

Connect a really long hose to a ground vehicle with the air supply!😁😁😁😁

@secondengineer9814 10 месяцев назад

Awesome to see the clear piston/chamber! Also, the methodology of using the syringe to pour the silicone was a really smart fix!

@MisterFizz 9 месяцев назад

Agreeeeeeeeeeeed !

@privatepilot4064 9 месяцев назад

First rule of thumb. If you’re going to launch your model airplane into a field with only one branch, the plane will always gravitate to that branch. It’s a law.

@averitiamiku Месяц назад

If you are going to let an object gain motion and preferably travel through air with no real influence from the ground, any object that isn't grass will gravitationally attract it

@lilguilty Месяц назад

Same goes for model rockets

@_..-.._..-.._ 9 месяцев назад

Crazy to think how little thrust you’d get by simply letting the air shoot out of the bottle through a jet nozzle, but through the miracle of science, it’ll make a ton of thrust for minutes on end. Very amazing! I’m impressed.

@statementleaver8095 9 месяцев назад

Requires reservoir bottle for Exhaust return 🤔🤔🤔 Run time increase due to Return to source instead of vent to Atmosphere.

@wildesage4172 9 месяцев назад

I often think about this as it relates to modern ICEs. You can push a few thousand pounds more than a hundred miles with just a few gallons of gas. That's crazy.

@-Pkji- 9 месяцев назад

crazy ?

@OOICU812 9 месяцев назад

@@-Pkji-crazy amazing.

@funnyberries4017 9 месяцев назад

everything in the world is reliant on shapes and geometry

@DrenImeraj 10 месяцев назад

Would be interesting to replace the metal pin with a screw and see how adjusting the length of the pin affects the performance

@giovanefortuna 10 месяцев назад

Or create a cylinder head with screw to adjust height

@PedroGarcia-fl1fu 10 месяцев назад

maybe an Idea? firstly you could increase the piston total movement (increasing chamber/cylinder length), when piston is going down and reach in middle of chamber the piston also reach in the chamber roles, releasing the air pressure and after that this roles will close (maybe using more rubber valves) and the piston will continue its movement going down, at this moment it will create a vacuum in the chamber when piston reach on bottom of cylinder helping the piston up again with vacuum in the chamber, this could create more power?

@wololo10 10 месяцев назад

yes it would be like ajdusting your camshafts

@Rebar77_real 10 месяцев назад

Or notching back a steam engine's reverser.

@user-io2mk5ki2b 10 месяцев назад

@@PedroGarcia-fl1fu ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-ZKuevq4J4Ak.html

@ytrichardsenior 10 месяцев назад

I am a British gen x engineer. I have to say you are great. Your content is great generally. Your delivery, editing, choice of project... every detail... but mostly it's your infectious tenacity and dilligence. Thank you for being a highlight in my youtube playlist. More power to your elbow!

@bisopbisopbisop 10 месяцев назад

@robertrainford301 9 месяцев назад

I flew the original airhog in a field in Pennsylvania USA. The kids I wowed are now adults. I kept the carcass of that plane to showcase energy storage and transfer in my science classes. You really have done us a huge service dissecting and improving what you’ve uncovered! Thank you so much for your persistence!

@EvanAndKatelyn 9 месяцев назад

Engineering is so freaking cool 🙌

@xmysef4920 9 месяцев назад

Very fun too :)

@therubberniton2170 Месяц назад

thats why i want to do it lol

@michaeljirava8404 10 месяцев назад

An aircraft motor factory and aviation research center combined into one person. Impressive dedication and ingenuity. Wish you the best Tom, never stop!

@Judas1911WR1 10 месяцев назад

if he can simplify his design and make a "toy-plane-air-engine" made out of items you can find at home like a 2liter pepsi bottle he could sell those "kits"

@Nighthawkinlight 10 месяцев назад

3d printing is good for a lot of things, but a low friction piston cylinder is not one of them. You should design a piston and housing that fits a standard diameter glass or acrylic tube for the cylinder.

@TomStantonEngineering 10 месяцев назад

I've bought some acrylic tubes for this exact reason! I couldn't find any 12mm inside diameter tubes (diameter of my current seal design), so I ran out of time to re-design and mold new seals. But I will definitely experiment with the acrylic tubes for the 'aircraft worthy' engine!

@rbuddsdiy 10 месяцев назад

@@TomStantonEngineeringmaybe something similar to the glass tube/graphite pistons from a company called Airpot. I got a free sample years ago to try and make a Sterling (Stirling?) engine and the fit and low friction is outstanding.

@daveycmusic 10 месяцев назад

@@TomStantonEngineeringwould steel tubing work? You can get seamless hydraulic tube with 12mm ID

@vihreelinja4743 10 месяцев назад

@@TomStantonEngineering Better option is to use a conical cylinder. and MACHINING. 3d printing is FAR AWAY from precision. as you stated there are air engines already in the market. why try to re invent the wheel since 3d printing will never have enough precision for something like this.

@VulpisFoxfire 10 месяцев назад

@@vihreelinja4743 On the one hand, note that even with his techniques, he's still improved over the engine on the market multiple times. On the other, imagine combining his techniques with their production quality...

@ChrisHarmon1 9 месяцев назад

Wow i was not expecting the first jump in performance and then the second jump also blew me away. Love the use of resin printing as well, amazing what a $200 machine can produce these days.

@one_of_gojos_simps6286 9 месяцев назад

try more like 2000$ , but yeah still a really low price compared to most industrial grade ones

@Mister_Mike 9 месяцев назад

I have been watching your videos for quite some time, and it's amazing to see your persistency and how far you've gone, great job!! Excited to see a plane working with it!

@yvan2218 10 месяцев назад

I'd love to see the original engineers of the toy plane react to this vid and see if they had the same issues or discoveries as you did!

@danolver913 10 месяцев назад

I bet they wouldn't believe a (dare I say) hobbyist at home 3D printing his own computer designs and reviewing the slow motion footage to improve it. Technology ❤ no disrespect Tom you and your content is very professional but I feel you aim for the hobbyist vibe!

@OliverReinhard 10 месяцев назад

Wouldn’t be too surprised to learn that the original design was also done by hobbyists!

@TwitchyMofo 10 месяцев назад

I really do hope someone from that team sees this video. I agree it would be amazing to see the discussion on the airhog design.

@Pomaufour 10 месяцев назад

@@danolver913well he is studying engineering right ? So ofc it's a hobby. I definitely was not doing that on the side when I studied engineering.

@malloott 10 месяцев назад

@@danolver913judging by the fact this was first released in the mid 90's they probably didn't use any computer to design this and just did hand drawn designs and calculations like almost everything back then.

@1123pawel 10 месяцев назад

There is a lot to learn from this video. I especially liked the silicone moulding process and the R&D of the seal. Very rewarding to see it work better and better with each iteration.

@billbates7810 9 месяцев назад

I had one of the early air hog planes similar to the one in the video. I think your video, research & development are really superb, I haven’t seen 3D printing in a “hobby” sense used to such exacting measures. God bless, Bill.

@limpingcow 9 месяцев назад

Bloody brilliant work. Also a great example of the iterative process. A lot of engineers who come out of projects, struggle with iteration. I think this is a great example of how reflection and research get you closer and closer to the optimal solution. The key is not allowing previous failures to discourage further iterations.

@woody3dp436 10 месяцев назад

It's already been 4 years I made a 4 cylinder remix of your engine, and it's still an enjoyment to see you improving your design and sharing it. Thank you very much for everything.

@greggv8 10 месяцев назад

Try making a compressed air version of a double or triple expansion steam engine. Those used pistons of increasing size and flowed the steam exhaust from one cylinder to the next to capture more of the power of the expanding steam.

@TM450FI 10 месяцев назад

@@greggv8turbo in a nutshell lol

@pilotavery 10 месяцев назад

@@TM450FI no, it would be more like the equivalent of running one of these engines off the extra air pressure coming out your tailpipe

@itzFYEB 10 месяцев назад

how did you solve the problem created by the single sided crankshaft? did you use a traditional big end on the con rod or did you make a radial engine?

@itzFYEB 10 месяцев назад

@@greggv8 there might not be sufficient pressure to allow for multiple cylinders, steam engines used these kinds of cylinders due to the fact that they had very high pressure and stroke lenghts that would allow for a limited amount of pressure difference between TDC and BDC.

@FPVenius 10 месяцев назад

Dude... I love the way you break things down, show your process, analyze your "failures" (more like steps along the path forward,) and diagram things along the way. It's truly inspiring stuff.

@nicgurkweitz389 9 месяцев назад

I used to have one of those air hogs when I was a kid and honestly didn't understand it too much because I didn't have much of a thought between my ears back then but I was really surprised on how well you explained it all and I really want to see you build a plane for this! This is looks so cool! Thank you for all your hard work and data!

@CFHoneyBadger 9 месяцев назад

This is now one of my favorite videos on RU-vid. It scratched that itch of designing and refining so perfectly. I loved watching this process. Keep up the great work!

@charleshartlaub3725 10 месяцев назад

I'd love to tell you the story of designing the airhogs, the engine and how long it took to perfect it. That seal was a breakthru to achieve consistency in production. The spring was equally important. keep up the good work.

@CFox.7 10 месяцев назад

you were involved ?

@chevyinlinesix 10 месяцев назад

I hope he sees your comment.

@JordansDroid 10 месяцев назад

Following hoping he sees this

@onedimensionaldave8147 10 месяцев назад

Interesting 👀

@Zepdos 10 месяцев назад

Were you part of the design team for air hogs?

@ColinRichardson 10 месяцев назад

Absolutely LOVING these research and development episodes.. I absolutely love that you got hold of the original designs from decades ago, and then smashed the record of it using lessons from their own design.. It does make me wonder if the seal inside the 25 year old box has over-hardened over all that time so is not working as well as it did new.

@clayballard6400 9 месяцев назад

I’ve been watching this project since the start and I have to say it’s been awesome seeing you progress it. Thanks for the awesome content!

@Billiegoose 9 месяцев назад

I had one of those Air Hogs toys as a kid! And I've loved watching your journey to recreate and improve on the air engine!

@GoofballPaul 10 месяцев назад

YYEEEEESSSSSS this is one of my favourite series on youtube! I love to see the development of a technology unfold in front of my eyes! Keep it up! 👀 With the performance of the older engines I felt like a model that more or less flies in a straight line is all that could ever be achieved, but this new design’s insane performance gives me hopes of one day seeing you put RC controls on it and being able to actually maneuver it! And there’s still the possibility of putting more bottles for longer runtime, seeing if it can withstand more than 60 psi... eheheh I drool at the possibilities.

@1123pawel 10 месяцев назад

Orgasmic engineering!

@macswanton9622 10 месяцев назад

at some point a pressure regulator might be the biggest hurdle

@1123pawel 10 месяцев назад

@@macswanton9622 I'm sure Tom can come up with a neat design for an adjustable pressure regulator.

@haulngrassracing 10 месяцев назад

I found myself giggling with the efficiency numbers of the new engines because I couldn’t believe how efficient you have made these. Congratulations and well done. Looking forward to the next video.

@AnotherFreakingDude 9 месяцев назад

That slow-mo footage is incredibly high quality, always a good day when Tom uploads another compressed air video.

@burgundyknight6826 9 месяцев назад

Oh wow, has it been that many years. Really love watching how your designs evolve.

@rccrazer 10 месяцев назад

I genuinely treasure these videos and hearing that old airhogs sound again is great. I'm amazed at your improvements over this design and love seeing how your designs have actually been original! Please don't stop. I want to see how far this can go!

@nick_riviera 10 месяцев назад

I admire your resilience and passion to keep pushing and looking for better and more efficient options!

@chandlerknight-dl3uv 10 месяцев назад

Connect a really long hose to a ground vehicle with the air supply!😁

@bisopbisopbisop 10 месяцев назад

@jamesgeorge4874 9 месяцев назад

Back in the 80's, in the US, the "Air Jammer" compressed air powered car was my favorite toy, it utilized a cam lobe to activate the intake valve (a ball) , attaching a thick washer to the output gear, resulted in slightly slower speeds, but much longer run time. Cool vid.

@RcAircraft 8 месяцев назад

I am glad you have returned to this project as I enjoyed your previous attempts. So much looking forward to seeing the model you will make for this project. 👍

@neilsawhney7182 10 месяцев назад

I remember watching your initial air engine designs which largely influenced my choice to major in mechanical engineering. 5 years later and stuff like this still excites and inspires me, can't thank you enough.

@BensMiniToons 10 месяцев назад

I've spent most of my life wanting to understand the Air Hogs air piston motor. It pops into my mind from time to time for the last 30 years. Amazing work! Seeing yours work puts my mind at rest. Thank you.

@ryanrehfuss 9 месяцев назад

Hi Tom, you might consider glancing at the piston heads used in airsoft cylinders. They use pressure to expand standard-sized nitrile o-rings outward which delivers very good sealing and high speed/cycle wear life. The design tolerances around the o-ring would need altering because existing designs only seal while the piston slides in the forward (for your engines, upward) direction. Not sure it's applicable for your engine but it does its job very well.

@jazz1on 8 месяцев назад

Yes please - more. Always thinking and trying, great work.

@eric1393 10 месяцев назад

So excited to see one of your air powered planes really flying! Love this series!

@karyjas1 10 месяцев назад

Wtf, thats like the thing that i wanted to see most for months. Thank you so much! This is my favorite content of which there isnt much. And you is how i found out what my favorite content is - optimisation, upgrading of designs + pneumatic and weird engines

@theinspector1023 9 месяцев назад

Splendid.Excellent r&d! You really throw your heart and soul (and, I suspect, quite a lot of dosh) into your projects. Thank you.

@mickv7545 9 месяцев назад

Good job on improving the engine, it's amazing to see your progress!

@J4R3D_07 10 месяцев назад

11:49 "It's my first time"

@chaseman113 9 месяцев назад

omg that was my favorite toy growing up. Thanks for playing with it.

@Killin_365 9 месяцев назад

I had that exact model as a child. Thank You for the Nostalgia Bait. 😊

@julias-shed 10 месяцев назад

I’m impressed with the engineering that went into the original toy. Kudos for getting nearly 5x efficiency that’s incredible 😀

@JoshHenderson16 10 месяцев назад

I'm not a massive gearhead or anything but I do so look forward to a Tom Stanton video dropping. It's such a perfect formula of sound chap breaks down relatively complex principles in a fun and absorbable way. And no RU-vidy bells and whistles (obtrusive adds, shoutiness, OMG faces, overwrought camera work etc) Legend!

@gebhardt244 Месяц назад

Great that you came Back to that Projekt.

@patrickdoyle6519 9 месяцев назад

I can't tell you how pleased I am with my RU-vid algorithm today. So glad I "stumbled" on to your video today. Shared with friends I knew would appreciate it just as much. Cheers!

@iDubbbzTV 10 месяцев назад

optimizing down to the smallest details is incredibly satisfying. thank you tom

@tekrit3249 10 месяцев назад

When are you gonna throw down with the candyman?

@Fred-jc7rc 10 месяцев назад

beautiful that he innovated his own design while incorrectly replicating the airhogs one.

@Tyler_18_ 10 месяцев назад

Didn’t know you watch this channel

@ryannebrich9869 9 месяцев назад

I’m glad we share the same intrests

@Ardeact 9 месяцев назад

wtf Ian actually willing to learn stuff?

@squishysheep5862 10 месяцев назад

Amazing! I think you should make a version where the piston is much smaller, increasing the run time significantly. Then, you can cut the engine weight down by making the walls thinner and using ribs and whatnot. Once you have an engine that has a long run time and is very light, you can make a plane out of light materials such as balsa wood and mylar. Then tune the plane and try and get it to fly for 2 minutes!

@user-nm1gh1gc4j 9 месяцев назад

its so satisfying seeing how much better each iteration is. its so satisfying seeing how much better each iteration is.

@thqp 7 месяцев назад

Very interesting to see the whole build process behind this engine!

@duanewente457 10 месяцев назад

This makes me miss my old Air Hogs plane, they were so much fun! Great detailed breakdown, same tactics I use while creating medical equipment. Keep up the great work!

@ethanhermsey 10 месяцев назад

I honestly didn't think this project would get this far, those are some amazing results!

@parkeropatz-johnson9124 9 месяцев назад

Amazing work bro I've loved your air engines since the start it amazing to see you make such I big jump in progress keep up the good work

@mgjk 9 месяцев назад

when I was little I tried making slotcar tires by moulding household silicone in a mould made of wax... the result worked but it was messy with air bubbles. I've never seen the technique you've shown, interesting... I thought I needed a bell jar to pull this off. Your results are awesome.

@zenmark42 10 месяцев назад

I love your channel. You opened up a brand new toy from the 90s, took high speed photography of it's inner workings in operation, disassembled it, cast it's parts, published the findings of using it's methodology... I love how you're bringing out the forgotten engineering work people did and making what theoretically anyone could do... available for us all.

@alexpym8216 10 месяцев назад

It would definitely be worth trying an offset crankshaft to optimise power and efficiency on the piston downstroke.

@sygnusadun4832 9 месяцев назад

This has been a wild ride of a channel watching you R&D this project phase after phase. Glorious.

@christianmcbain810 9 месяцев назад

Man childhood memories unlocked!!! That exact airhogs airplane taught me how cylinder engines work when I was a child.

@richuar 9 месяцев назад

The reason your original 40 shore seals were so hard to remove from the mould is that it’s a polyurethane resin being poured into a polyurethane resin mould so the materials actually want to bond to each other! You need to use a release agent on the mould to create a barrier between the materials or instead of using 40 shore PU material use a 40 shore silicone like RTV 240 or T4

@longonbon9676 9 месяцев назад

Good point!

@willmorr 10 месяцев назад

Very cool build! In addition to all the obviously fascinating engineering, I love how you label your graphs with outlined pictures of the motors instead of just text. It's a small detail (that I may steal) which really helps to make the data clear and follow-able.

@MegaMotionStudios 9 месяцев назад

Great stuff, I’d love to see you experiment with multiple piston designed engines. Perhaps starting with a v-twin!

@gamemeister27 8 месяцев назад

Nah he going straight for the H 16

@ramble7717 9 месяцев назад

its so satisfying seeing how much better each iteration is

@Londrino 10 месяцев назад

Having been a follower of the air engine saga from the beginning, it's pretty cool to see the massive improvement that happened after going back to the source. The real lessons were inside -us- airhogs all along.

@Corrodias 9 месяцев назад

What cruel irony that he practically re-invented the original design before getting ahold of one. But, oh well, at least it was fun.

@AerialWaviator 9 месяцев назад

Tom has gone full circle, re-inventing what had be forgotten, or unknown to him. This not unlike the real world, where NASA is reinventing technologies to land humans on the Moon again after more than 50 years.

@GuitarSamurai17 10 месяцев назад

The amount of pure dopamine I receive from watching you make the engine more efficient and present it in such an understandable way is shocking but well done Tom excellent progress on the engine and really clever upgrades I absolutely love it

@CortexSashimi 9 месяцев назад

Thats just beautiful man- Thanks for sharing this with all of us.

@rinshoragnarshid6162 9 месяцев назад

This is so cool. I am glad you have found some awesome solutions!

@weeliano 10 месяцев назад

I just simply love the step by step iterations you did to make the compressed air engine even better and also resorting to reverse engineer the original air hogs motor to get the highest efficiency. The thought process and the steps that goes into making this compressed air motor is extremely interesting to watch! Can't wait for the motor to fly! Great work Tom!

@redheathan1386 10 месяцев назад

I don’t ever look for his videos but when they pop up I’m so captivated by what he’s doing and how that I never can skip them. I live watching and learning.

@avoirdupois1 9 месяцев назад

I enjoy the way Tom shows his iterative process for solving engineering challenges.

@guilhermechirigatti3065 9 месяцев назад

Very good! Congratulations! I'm already imagining a new version of the twin-cylinder engine with opposed cylinders!

@theawesomebrick 10 месяцев назад

It’s so easy to get caught up in one half of the R&D process that you completely forget about and neglect the other. This video is a good reminder of the strides you can make when you remember to stop and do a little more research, or a couple more iterations. On a different note, I’m very interested in seeing how much further you can improve the engine! The Air Hogs design is likely optimized for mass production rather than performance, so there’s probably many strides you can make on that front. It’d be interesting to see the effect of adjusting bore&stroke measurements, but that’d be a lot of printing… I’m sure there’s probably some equation for that somewhere 😊

@fredrikcarlen3212 10 месяцев назад

This is impressive! Like really impressive! Experimenting with multi cylinder engines would be cool. I'll bet a V-twin version of this would be sick!

@TrollingAround 10 месяцев назад

Multiple cylinders will multiply the: A: Thrust (is good) B: Friction (is bad) C: Other Losses (is bad) E: Air consumption (is bad depending on point A) F: Coolness (is COOL!) Feel free to comment on point D!

@asdaneedsfunds 10 месяцев назад

It will also go some way to eliminate the requirement for the flywheel to create the cylinder compression, since the other cylinder can now provide that. Unfortunately a V2 would probably be a bit unreliable (especially on a plane) because the ball valve is sealed by gravity as well as pressure - although maybe the effect of gravity isn't very much given the high pressure air pushing the ball out? Either way, I'd vote for an inline 2 engine.

@TrollingAround 10 месяцев назад

@@asdaneedsfunds - 2x Inline = 2x COOL!

@TakeNoShift 10 месяцев назад

@@asdaneedsfunds Wouldn't you still want a flywheel? Stores energy for the compression stroke, helps keep the engine running smoother. I wouldn't eliminate the flywheel, I would just adjust the weight of it until you get peak efficiency.

@jttech44 10 месяцев назад

@@TrollingAround Double expansion makes it worth it. Steam engines used this technique, works on air engines too. Basically you just run a second engine optimized for lower pressure and feed it off the exhaust of the first engine. You're not consuming additional air, friction is still fairly minimal, and you extract way more power because your two cylinders are tuned to run at the pressures they'll normally see. Only real downside is complexity.

@jerrymcarthur2062 Месяц назад

what a great video and never would have suspected the airhogs had some decent engineering behind them!

@apollow4153 6 месяцев назад

Awesome stuff! Very impressive that so much was self made in these projects🔥

@user-db2oo6wj2d 10 месяцев назад

You do a fantastic job creating these animations. Great video Tom!. Congratulations on your engineering successes. Those last graphs entered beast mode .

@Grebogoborp 9 месяцев назад

It’s always cool to see people who devote immense amounts of time and effort into such completely niche topics purely for their own enjoyment

@sharpie0226 9 месяцев назад

When you picked up the air shark my days as a young tyke in the 90s. Major nostalgia

@gabrielf2432 9 месяцев назад

I had that exact model of Air Hog as a kid. This whole video seriously was giving me flashbacks to the early 2000s... Cool to see someone taking it to the next level!

@tommccallister 10 месяцев назад

I think this is my favourite video on the channel so far. I love the thought process you go through on these neat projects.

@shady123x 9 месяцев назад

Congratulations Tom. You were able to make this new piston better in so many ways. This really does show that the simpler, the better.

@davidhayes3257 9 месяцев назад

"Too many moving parts" is a real thing!

@mungtor 9 месяцев назад

Pretty cool. About 40 years ago, my brother and I had some toys called the Air Jammer Road Rammer made by a company called Tomy. You would use the included pump to pressurize a tank on the car, and then give it a push and off it went. We spent hours upon hours jumping it down the kitchen step or who knows what else. Thanks for the cool content (and the memory).

@michaelmaloy6378 9 месяцев назад

I remember those! Never had one, but I remember that the commercial's tune was a bit of an earworm. LOL Thanks for the memory! :D

@hkstrongside 8 месяцев назад

Man, I really enjoy your videos. Awesome work!

@hvip4 10 месяцев назад

I love it, you make the R&D part so interesting. Looking forward to seeing it fly 😊

@jghanson25 10 месяцев назад

I love that you are revisiting this. Easily my favorite series of yours to follow. I’m excited to see what you end up finding in the end.

@chigeryelam4061 9 месяцев назад

Really interesting to see you work through this process.

@MrSullyTheKnight 9 месяцев назад

First video I have seen from you. Wow, honestly intriguing beyond words. Was not expecting to be so interested in your work when I randomly stumbled across it.

@coryman125 10 месяцев назад

I could genuinely watch these videos all day. Something about carefully iterating an engine like this is so viscerally satisfying, and seeing how slight changes result in huge developments is so rewarding. Plus they just sound cool too!

@noahlemay-assh2651 10 месяцев назад

I know this man takes a long time but it still blows my mind just how many times and just how much he can improve the design.

@terradaktill1179 9 месяцев назад

I think these are really cool! I used to watch these awhile back and was amazed and I was very happy to see that they are still being made

@shtopfl5247 9 месяцев назад

Wow I’m impressed by how well these simple engines work 😯👍🏻👍🏻👍🏻

@imageingredients8110 10 месяцев назад

This has been such a great series, I remember watching it when it was brand new. Seeing how much these engines have improved, and now in this latest video the huge gains made using a new seal and other new design elements, has been really fun. I really love that you ended up going towards a seal design that turned out to be pretty similar to the original Air Hogs engine without ever having seen it. I'd love to see more work done to reduce the friction in the engine, but I think that's probably the hardest part. You could manually sand things, but I think a vibratory tumbler could work really well with the right media.

@canonicaltom 10 месяцев назад

Like some other people in the comments already said, a dashpot (precision ground glass cylinder with a matched graphite piston) should improve your performance even more. It's a very common part in low-delta-T Stirling engines and should be reasonably available.

@jimtinkering 9 месяцев назад

I had "air jammer" air engine toy cars in the 80's probably not as good as the air hog but they also had a floating piston. Great work, I love all your projects. Made an air powered bicycle myself used paintball tank thogh.