Will this air engine push me along?
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- Опубликовано: 25 июн 2023
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I was watching a video from RUclipsr @matthiaswandel about an air engine that he built a few years ago. In fact it was a rebuild of an earlier project which he didn’t film, so he made an updated version and made a video about it.
I thought this was really interesting and I wanted to understand how it worked better so I thought I’d build my own version. Matthias sells plans for lots of the things his makes, and he also has software for generating gears, so you should check that out as well as his channel if you don’t already subscribe.
I bought the plans for the air engine which come with lots of photos, plans to cut the parts out of wood, and also a 3D model which is for Sketchup. There wasn’t any indication of how much torque the engine would generate in Matthias’s video and I think I want to make a slightly higher power version, so I’m actually going to redraw all the parts in CAD from scratch.
Matthias's video: • Wooden air engine build
His downloads: woodgears.ca/
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Nice work 3D printing that air engine. Piston/cylinder blow-by was the biggest problem for me, probably the same on yours. The more precise you make it, the better it works. I think your piston was more precise than mine. But something a bit like piston rings would be what gives it torque.
You’re so cool Matthias. I’m 25 and I wanna be like you when I grow up 😂
Huge respect. 👍
even a process similar to what was done with the slide valve would probably give a very good improvement
Mathias, you are a big source of inspiration for my students. Thank you for your dedication.
Could you make "rings" for square piston using 4 corner pieces in a slot, maybe with short overlapping straight bits where the corners meet?
Rounded corners and rubber o-rings might be easier though.
Matthias' content is awesome, so cool to see one of his projects featured here and expanded upon!
Yeah man, that guy is super underrated. I love his band saws.
Me too - just finished building the big one (not the huge).
Love that dude but I can never tell if matthias is just super autistic or just super canadian.
this is what peak efficiency looks like
Like the insides of a piano
I know it might not be exactly as interesting, but maybe he could also try a vacuum-powered turbine one aswell? Could be a bit more efficient
@@xmysef4920 literally what teslas turbine was intended for.
I'm expecting Mathias to be making a wooden balancing robot in an upcoming video
Great project James! I've built steam engines as a hobby for years, and I have learned a few things about getting better power and efficiency. Mostly it comes down to stopping leaks. If you can do it, a round cylinder has a much better area to gap ratio, but I realize this is difficult with 3D printing. Making sealing surfaces longer also helps a lot (like making the piston thicker from front to back).Also, a good thick coating of grease can go a long way in sealing leaks in moving parts. And if you want it to spin faster, advancing the timing (reducing the phase offset between piston and valve to less than 90 degrees) helps. I've never done this with plastic (my engines are metal) but making the parts fit a little tight and then putting car polishing compound in the cylinder and valve body and spinning the engine will make the parts 'self machine' to fit each other better. I hope this helps!
Whatever you use as an air source in the future. It would probably be more efficient to make it a closed loop so the exhaust from the piston goes to the intake of your blower to be pressurized and fed back into the intake of the piston.
As long as there is no cooling requirement that gets hampered by this you will have essentially made a fluid coupling that uses air instead of a liquid.
How would that increase efficiency tho? Only really necessary if you need an air engine in space
@@lilbitofeverything5801 In a perfect system it wouldn't.
However because the vacuum is exhausting the air it pulls thru the system to the atmosphere at a higher pressure and velocity than atmospheric.
If it instead pushed that air into the intake side of the piston then some of that wasted energy would be recovered in the engine.
Essentially creating a higher pressure differential between the engines intake and exhaust side increasing max torque.
A foot powered belows system might be a fun alternative to the leafblowers too
I was thinking the same thing, two foot powered belows that you could alternately step on to provide air. I guess it would end up as more of an over engineered bicycle but still a fun thing to try and see if it would work.
The bolts on the flywheel probably madd the flywheel off balance, adding to vibration. The only way to balance the piston is really a second piston .
the idea is to effectively have the piston and fly wheel equaly and oppositely unbalanced so the vibrations cancel out
@@crestfallensunbro6001 i understand the train of thought, but it doesn't quite work that way. The unbalanced piston is reciprocating and causes a linear back and forth vibration. The off ballance flywheel is an eccentric weight causing a "rotating" vibration. All you end up with is a vibrating piston, and vibrating fkywheel.
Depending on what slicer you use, there's a setting to have the travel path avoid crossing walls. It can be helpful for getting circular objects like that smooth on the inside. Also make sure your wall order is outer/inner/infill. You'll get better surface finish by doing the outer wall first.
Matthias' designs are pretty cool especially when you think about it, all he made just out of wood and off-the-shelf hardware, I often wanted to make some of his designs out of 3d prints. Another RUclipsr not unlike yourself, that should have 10X more subscribers,
Matthias’ work is amazing. I’ve also built his wood engine and other projects. Many of them are in my classroom for my students to explore. Great work and ideas. I’m going to have to show this video to my students.
If you're going to keep working on this, Keith Appleton has a bunch of videos on tuning single cylinder steam engines. They use the same style slide valve arrangement, just with pressure instead of vacuum. I'm sure that valve box could use lapping/matching, then the vacuum could make a good seal between the outer plate and the valve, not to mention a lower durometer sealing material wherever you can.
Thank you for making this straight forward
Matthias using wood is probably why its a lot of squares, you should try circles for most things. The piston for sure. The valve could work as a spinning disk with cutouts as well I'd assume. Then you don't need to convert power from rotation to translation as well, no? Then all the ports being circles would also flow better too I bet.
Good on you giving credit where credit is due. So any RUclipsrs would have just stolen the idea. Great build! God bless man, and keep it up.
I found your channel about a year ago, and I've loved it since, and, this concept seems so cool
The fire is truly uncontrollable
@@MyHandleIsGood bro, why are you using my pfp?
This was probably recommended a couple of times already, but you should try making it steam-powered. Integza made a small steam-powered piston engine similar to this design using a pressure cooker with a tube going from it to generate steam.
Hot steam!
With steam you need hot water plus a heat source and pressure and that needs to match the cylinder size. I think this would all get too big here to be mobile and also hot and dangerous seek the steam under pressure.
I see another obstacle in plastic with steam (just like the original in wood), which should probably break very quickly under load.
If you want to work with steam you have to work with metal I think and do some reading because steam behaves differently than compressed air.
Steam? With 3D printed materials? Errr. No.
@@AlbertDongler Maybe yes, but only with 3D printing in metal.
James, this is awesom. Further collaboration with Mathias is strongly recommended bc you will have 2 of the brightest minds in one channel.
Project idea to expand this: Electric motor, belt driven air compressor, relief valve and ball valve with compressor tank rated for 400 psi or more, this "air engine" (which is really just a basic steam engine motor) attached on both REAR wheels, now you have an electric compressor live steam engine. Also the inlet and outlet are together like that for a reason. Another component called a slide box to move the air to the other inlet will give you forward and reverse control.
System mechanic is brilliant, been using its for years
Drive an upgraded version with compressed air from a divers air tank. I recall many have proposed using compressed air as "fuel" for vehicles. The issue is the size and weight if the tank to store sufficient compressed air to achieve any useful range.
What on earth... you just put a big smile on my face, seeing you riding that infernal vacuum-driven Nascar contraption. Love your work, precision! and cool show.
I love the absurdity of this project!
I loved the vacuum change craze!
I'm loving the Wallace and Gromit energy the cart has. I'd really like to see a version two of this, with at least another piston or two.
When I saw the Dyson power the motor and pull you, I couldn't help but think that is a true testament to the Dyson vacuum cleaner brand. Amazing!
very cool. thanks for sharing
Would be neat to this being used with compressed air. Small canister with compressed air/c02 to drive a vehicle sounds like a good STEAM project for our youth.
Matthias Wandel also built a very powerful vacuum out of wood, and tested several variations. It should be simple to build. A two-cylinder version of your motor would more than double the power and probably self start.
Oh my god. I love that Johnny #5 in the background there... That's so cool. Short Circuit is one of my most favorite movies of all time. 5:46
Nobody:
Absolutely no one:
James Bruton: Let's make a weird cart powered by an air engine and ride It
James, you are a mad genious.
Interesting project!
Mattias's channel is awesome!
Amazing thanks I learnt a lot. I have made the wooden one but not as good as I like it.
I really enjoyed the video! I feel like you left the dust in the vacuum so that people li
would say you should empty it after every use. It's probably a trivial amount but you'd probably get more power if you cleaned the filter and tank or run the portable vac with out a bag in it. keep up the great work!
I think it's fantastic to see other RUclipsrs referencing Matthias and his vast back catalogue of extremely useful tools and projects! I guess the only question is this... who doesn't subscribe to matthias?!
Love me a good 2am James Bruton vacuum video.
Vaccumes have an intake and an exaust, they can both be hooked up to your piston.
The vacuums have a suction safety to prevent overamping the motor. It’s just a bypass valve. If you disable that valve temporarily, you’ll get much more available vacuum.
11:42 The moment your wife walks in the door.
Your valve gear mechanism (aka "motion") is very good for describing how the valves work on steam and air powered machines, which otherwise looks more complex and harder to visualise in the more common cylindrical layouts (though those can handle higher pressures)
You could probably use a 3 stone hone to make a rounds sleeve smooth pretty quickly and easy but the plastic may clog up the stone
Ideas!!! High output battery on a cordless something. Maybe add volts like the guy does to toys and speeds them up until they break. And then add a bicycle disk brake, or make it work in reverse somehow like a throttle.
James, I would like you to know that I have been subscribed to Matthias roughly as long as I've been subscribed to you and this video felt strangely targeted by the 30 second mark. 🤣
Tom Stanton : builds 50 variations of the air engine
This guy : driving around in his first attempt 😂
Also for that future version that you mentioned, I recommend using a different valve gear setup. The one you have now is know as the Stephenson valve gear, and for more speed and power I recommend using either Walschaerts or Baker valve gears.
That's amazing, the wonders of gear reductions!
This is what i love, using technology to increase the losses in system 😅😂 using electricity to create motion, using motion to create a airflow, air flow back into motion, gear train to increase torque. So 1800w input and it moves slowly across the floor. Add a battery and your close to an EV
Can't wait to see Air Cart 2.0!!!!
"I'm just gonna rub that down the same why Matthias did on his"
-James Bruton, 2023
I had to scroll way too much to find this comment...
The absolute magic of this after the :
"It's quite stiff the way it carne out"
Absolute legend that man !
@@ralph972 LMAO, I must’ve missed that part!!!
I love both your channels! yes!
Both of your vacuum cleaners are inefficient as air pumps, since they also have to fight the resistances of their own filters. I suggest you use a leaf blower to blow air through the engine instead of sucking it out, since leaf blowers have no filters. Or if you wanna expand on this idea, you could make an adapter to attach an air compressor fitting, assuming you have a compressor that can pass enough air to power this thing. Good work though, and it's nice to see Matthias Wandel's influence in your work. I've been following him for well over a decade and was starting to wonder when this crossover episode was gonna happen, lol.
Amazing video bro.. You are the best robot guy..
my parents have used a couple of shark vaccums for a while, but one thing my dad said, was that the Shark Rotator vaccums have enough vaccum power to suck a sock through the entire system and to the debris catch. i would reccomend a Shark Rotator vaccum if you want to get the most power out of a vaccum engine, of course you might need to do a few improvements to the engine to get to the stage where you need more vaccum power, but you can do it any way you want, i dont mind
Very Nice!
Its always cool when one youtuber i have been watching for years references another youtuber i have been watching for years
I think most of us watch each other.
Haha I remember this wooden engine. Someone on RUclips a few years back made a smaller 3d printed version that ran off an aquarium pump and was used to power a marble machine that ran all over the guy's house.
9:20 stamping for myself. LOL God that epic Dyson sting was so unexpected
Love machine IS Alive !
I also Love your Mechanism tech ❤❤❤❤and Tequniques
Nice work, James. I feel like your suck and stroke machine could be useful for the pleasure droid I'm building. We're really living in an exciting future.
There are many opportunities for improving the efficiency, but I lack the experience and tools to know what would give the most improvement for a given level of design and build effort.
Clean up the airflow: smooth out the sharp corners, increase the radius of curvature, use a constant cross section where possible, etc...
Use a different style of air pump: vacuum cleaner suction decreases when the inlet is fully blocked, so vacuum cleaners don't overheat when clogged. But it means the torque curve sucks.
Match the cylinder size to the air source: it is a classic engineering optimization problem, but non-trivial.
Seals, wheels, bearings, etc ...
dysons aren't known for their CFM, try a shopvac or a kirby you'd get alot more power the higher the CFM on a vacuum
Classic freshmen year engineering project 👌🏼
A favorite creator referencing another favorite must be among my favorites.
I think that this is inspired by a Japanese forge blower in reverse. The blower is push pull creating a continuous flow of air.
this thing is awesome :) when are you and Mattias making a big wooden robot?
You should publish it on his site.
This kind of air engine would be best used with air pressure as the raw source of energy. Like from a steam boiler, then it would do useful work and not just be a loss in the system. Would be an interesting challenge too
I loved Matthias contents too! brilliant mind as well.
Tom Stanton made a very interesting air-powered motor that might be worth consideration for this application.
Can you 3d print Teflon parts, or similar low friction materials, so you could get a better seal on the piston, especially on the shaft?
You might want to look into compressed air, and maybe make a design similar to compressed air locomotives that were used in mining before electric drive became more common!
hey james, i doubt you’ll see this comment but i just wanna say i really appreciate your effort and consistency on your videos over the years, i used to watch your iron man builds as a kid and grew up on them. english isn’t my first language and i was so young i didn’t know what accents were so i’d copy your voice lol. anyways i just wanna say keep it up and keep doing what makes you happy.
Wow! This is almost like a simpler version of walschaerts valve gear! I may honestly use a similar design for an actual steam locomotive someday. However, that is in the far future.
You'll get allot more power using the vacuum cleaner as a blower to pump air into the motor.. Also adding some seals where you can
You should make a compressed air vehicle with an onboard air tank next time!
It wouldn't last that long, so I'd prefer electric fans or a compressor on board too.
The dewalt 54v leaf blower would be a great one to build with.
Now you need a bottle of White Ace cider and you're ready to take on Rainbow road 😀
The grease that you puted on the piston it also sealing the whole cylinder and the pistons sides
9:28 Henry sucks! - *BRING ON THE DYSON!!* 😂😂
3:22 you're having to much fun shoving your rod inside this spacious box.
Making some of the cylinder's part out of clear acrylic would be helpful for educative use of the engine.
Looks to be a fairly traditional pressure engine, a la steam engines. Some of those changed piston size across the engine to good effect, the exhaust from one leading into the next until almost all the energy in the gas was extracted.
Looks like a good way to power the fan drive on a hovercraft.
He lives 400 meters away from my house on the street behind mine. We live in a TINY rurual town ( the locals call it a 'city') in a TINY rural province. For the life of me, I don't know where he buys his supplies as they only sell the basics around here. Stuff that every 'normal' person would use for the same normal, boring household projects. He must special order most of it.
They made toys back in the '90s with air-powered engines. They were called "Air Hogs". There was a plane that really flew, a monster truck, and I think a race car. They weren't R/C at first though, so you'd throw the airplane once and usually never see it again.
What a mighty chariot!
This is really cool, im hoping to see an H2 or a parallel twin or an i3 in the future
wait until you find out that there is hundreds of people who make these from lego (v8s, rotaries, turbines)
A piston of sufficient area will even lift you with ease, the force is multiplied by the area.
id love to see a video with somthing to do with a liquid piston rotary engine
I remember back in the day when the caster used to be on the front.
Awesome.
Congratulations good sir, you have successfully manufactured an electric motor, with extra steps. Although, I'm kinda onboard for this.
I haven’t made a vacuum engine with 3d printing yet but i have made a dozen from legos and they work great.
You should do some research into triple expansion steam engines so you can get the most work from the pressure. Also it would be like the great ocean liners of old
Looks like an old Dyson and just a note for that predictive text, they do not make rockets as far as I know and some cordless Dyson is actually use a centrifugal compressor 9:33
Can you make a fully fleshed out doc oct arm? I think it would be awsome!
now all we need is another cylinder and walsherts valve gear and itll be perfect!