Air Powered Car
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6 жыл бұрынAir Powered Car Part 1 - goo.gl/fFhNgF
Air Engine FREE stl files - goo.gl/29rgrf
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@ceptimus 6 жыл бұрын
For gearing it's better to avoid simple ratios like 100:25 (4:1) as it means the same gear teeth keep encountering each other. It's better to use relatively prime numbers such as 101:23 and then every gear tooth gets to encounter each tooth on the mating gear which promotes better wear.
@hb4lwade1 6 жыл бұрын
Smart!
@rizalardiansyah4486 6 жыл бұрын
I've never thought of that! Incredible!
@zolatanaffa87 6 жыл бұрын
and this is the reason why the reduction ratios are always strange! ... now I know it too .. I never thought about it. Ah the old mechanics what a legacy
@slothFPV 6 жыл бұрын
Thats mad haha
@ohabbal8169 6 жыл бұрын
Usually we have an involute profile to have one contact point between the pinion and gear, maybe in trapizodal gears you mean?
@mikistan3723 6 жыл бұрын
You can add a flywheel to the engine itself. It's not a plane so a little bit more mass wouldn't be a big problem here.
@charleslambert3368 6 жыл бұрын
And on a plane, the prop itself is the flywheel.
@Skreeze_Nuts 4 жыл бұрын
Miki stan it’s not an internal combustion engine you don’t really need one
@LS1sLegoGarage 4 жыл бұрын
bjorning man but it works so closely the way a internal combustion engine does that it needs the constant momentum to keep it going
@davesendit1348 4 жыл бұрын
A clutch would be incredible 👍🏼
@Minecrafter-uh6qv 3 жыл бұрын
@@Skreeze_Nuts It has the same principles. So it would really help it. A clutch would help a lot too
@Wintergatan 6 жыл бұрын
Roadster 2020 with spacex package is way behind!
@TheWolvesGang 3 жыл бұрын
@Wintergatan Hello.
@tylenol544 3 жыл бұрын
fancy seeing you here out of all places
@caz6810 3 жыл бұрын
H
@GRDL. 3 жыл бұрын
Hi wintergatan. I love your music.
@GVChannel 3 жыл бұрын
New technology!
@chrisfromsouthaus2735 2 жыл бұрын
Here's an idea. Open the car's tank at sea level, then close it again so it's at sea level pressure. Take it to a higher altitude, then see if you can power it just of the difference in atmospheric pressure.
@humanbeing5529 2 жыл бұрын
he did make a syringe powered car. and its kinda the same. It is a good idea but I don't think it might work that well
@thundersword2857 2 жыл бұрын
It May work but it will take much cost not to build.
@IgnitionP 9 ай бұрын
@@thundersword2857 in that case we better build it then!
@gregorymalchuk272 6 жыл бұрын
You need a pressure regulator rather than a simple throttle. You also could use a pressure-balanced inlet valve, formerly used on some steam engines. In order to make it self-starting, you need at least two double-acting cylinders, with the cranks out of phase by 90 degrees, like steam locomotives.
@oldretireddude 6 жыл бұрын
I agree with the pressure regulator. This will allow your current engine design to run on lower pressure and use the extra reservoir pressure to get more run time.
@gregorymalchuk272 6 жыл бұрын
oldvideodude Yes, a given throttle setting at the lever on the rc controller would be the input to a control system to maintain a given air pressure at the engine.
@oldretireddude 6 жыл бұрын
he wants pressure to remain constant. the throttle would control flow only.
@gregorymalchuk272 6 жыл бұрын
oldvideodude Sorry "throttle setting" on the rc controller, but the actual throttle valve itself, that would be modulated by a small PID controller to maintain a given pressure just ahead of the engine. So that a given position of the lever on the rc controller would correspond to a given pressure at the engine, regardless of how full the air bottle is.
@oldretireddude 6 жыл бұрын
ahh, i understand
@unusualfabrication9937 6 жыл бұрын
wait... YOU ARE AN AEROSPACE ENGINEER!??! congrats... props.... you know
@Thorgon-Cross 6 жыл бұрын
Think that was a joke. Seeing as he lives in a country with no space....anything.
@toshinakae6397 6 жыл бұрын
BAE is pretty big aerospace company from the UK
@adampaula1863 4 жыл бұрын
@@Thorgon-Cross he was my class mate. I know him
@mkdzr72 6 жыл бұрын
Finally! Someone that understands how to design something with strength!!
@WELLINGTON20 3 жыл бұрын
strength? i get if you stood on it it won’t be strength
@sean6992 Жыл бұрын
That's Because you don't stand on it, he means it's robust in reliability
@haffus77 3 жыл бұрын
Ever considered buying a metal lathe, it could revolutionize your strategic approach to all kinds of designs. ;)
@Sabthenoob 3 жыл бұрын
All lathes are made of metal
@haffus77 3 жыл бұрын
@@Sabthenoob and the point ?
@sunzun261 3 жыл бұрын
Sabthenoob he means a lathe for metal
@andywhatever8533 3 жыл бұрын
@@haffus77 I think he’s joking. Like a dad joke
@haffus77 3 жыл бұрын
@@andywhatever8533 Must be something like that, i think i am not going to hold my breath for that point to come ;) That kid seriously needs to add a metal-lathe to his toolbox. As a wood-lathe is limited to soft materials only but a metal-lathe can handle both soft and hard, and his designs are getting nowhere out of "silly toy land" without the proper tools and materials no matter how big or small the design. (obviously..) :)
@MaxImagination 6 жыл бұрын
This Is honestly the best Air powered car I have ever seen! Great job dude!
@castin5244 6 жыл бұрын
You must have never had one of those air powered buggies as a kid. Those things fly. Look up Tomy Air Jammer.
@nexusproductions2064 6 жыл бұрын
I haven't really seen any air powered cars
@MaxImagination 6 жыл бұрын
Nexus Productions then u must see To my air jammer road rammer toy
@The1wsx10 6 жыл бұрын
maybe use belts instead of gears, since that requires less precision. also, why not add a separate flywheel on a different ratio?
@arturos.l.2248 3 жыл бұрын
It’s weird that it sounds like an engine even though it’s just compressed air
@xmysef4920 3 жыл бұрын
It may be because it’s quite similar to an internal combustion engine because they both explosively fill the cylinder with high pressure gases
@gleebyseebson1108 2 жыл бұрын
I’m starting to wonder if they could use high pressure exhaust for an pneumatic engine
@jaknowwho 6 жыл бұрын
If you treat it like a train, you could simply keep the back wheels on track and just have the one push rod giving the wheels their power from the engine. This idea will probably just get jumbled with the rest, but I love your designs so far. And it's been turning it great! I know you'll get this thing running amazingly!
@mrnavastar 6 жыл бұрын
you should try and add a secondary piston to the car, removing the need for a flywheel
@Tankdacota11 6 жыл бұрын
Make a “starting motor” that spins the engine so when you stop it won’t be stuck!
@eva2602 3 жыл бұрын
Either that or enable some sort of regenerative braking system to give the engine a kick upon stopping
@eva2602 3 жыл бұрын
Also, with the rotary valve idea, try some kind of water injection idea to keep compression high using water surface tension to keep a seal.
@arturos.l.2248 3 жыл бұрын
With all that crap in addition to the steering, might as well just run it on the electric motor by itself
@benjamincoram7036 3 жыл бұрын
@@arturos.l.2248 Yeah, this design isn't meant to be super complicated. If he wanted he could add a clutch and a starting motor and all kinds of things but then it gets really heavy and complicated and you'll run into mroe issues.
@arturos.l.2248 3 жыл бұрын
I think it would work better to have a built in air compressor on it, so he doesn’t have to refill it all the time
@idostuff5722 3 жыл бұрын
A racing series with upscaled these as engines would be fun to watch
@Nameless-jp9gp 2 жыл бұрын
tbh that engine sounds like a two stroke 150cc engine. sounds incredibly good even tought it was air powered
@GunwantBhambra 6 жыл бұрын
Tom i think if the engine work at 30 psi suppose then fill the bottle as high u like just use the pressure control you already built to maintain it around 30 psi using any micro controller
@robertfield7532 6 жыл бұрын
GBranade pretty sure there could be a valve that you could also add to restrict the airflow to the engine?
@LegoTechnicEmbodiment 6 жыл бұрын
It needs a flywheel
@socialus5689 6 жыл бұрын
Your content gives me the much needed inspiration to try new things. Thank you.
@secrethance9892 4 жыл бұрын
2075: we have air powered cars
@dsrocks6905 3 жыл бұрын
We have them already in France, granted they aren't like most cars, they are little pods. Check this out: www.mdi.lu/airpod-2-0
@randomboi8961 3 жыл бұрын
It solves global warming
@ralftromp8271 3 жыл бұрын
It is dangerous though
@vikingofsweden2498 3 жыл бұрын
it's called steamengine. it was invented in the 1800s :P
@quincybowers5338 3 жыл бұрын
When you replace that dangerous gasoline for a 15,000 PSI air tank lol
@USWaterRockets 6 жыл бұрын
The car looked like it was going to work amazing in the first test, I did not anticipate the torque issue. I should have guessed because "air hogs" cars had a metal flywheel, which must be there to overcome this problem. Is there a reason you didn't just wrap some rubber bands around the wheels for traction? Plenty of people use them for "tires". They are also great for drive belts, which would have been less work and probably more efficient than the gears. You could probably make a CVT using one as the drive band.
@ceptimus 6 жыл бұрын
'O' rings fitted in 3D printed grooves on the wheels work even better than rubber bands as tyres.
@PhotonlcInduction 6 жыл бұрын
Rubber bands as a drive belt would have horrific losses. The gears are much better.
@williamthebutcherssonprodu227 6 жыл бұрын
A cvt is a brilliant idea!
@grantduffy7373 6 жыл бұрын
The flywheel effect of the cars inertia is undermined by the gears' backlash. This engine would run great simply by adding a flywheel on the engine itself!
@SuperSiggiboy 6 жыл бұрын
Grant Duffy Yep, adding a separate flywheel seems like a great idea
@ChrisBro095 6 жыл бұрын
Have you thought of using dry ice and some warm water in the air tank?
@The1wsx10 6 жыл бұрын
i suggested it for the airplane, but it was already way too heavy. maybe here would be good
@akkudakkupl 6 жыл бұрын
You don't even need warm water, any water will do ;-)
@Heksu99 6 жыл бұрын
That would also make the smoke effect as suggested above
@oliverer3 6 жыл бұрын
As long as he installs a pressure relief valve this would be really fun
@robmckennie4203 6 жыл бұрын
That's literally how you make a dry ice bomb. Using a phase change to store more gas is a good idea, but CO2 produces far too much pressure at room temperature. Propane would be a better choice, if my research is correct it will only produces about 150psi at room temperature.
@lastchance045 3 жыл бұрын
love to watch your approach and drive. As one who is daunted by math, I admire your down to earth explanations and logical approach to problem solving
@jaqkar 6 жыл бұрын
Been following the vids for a while and really enjoyed them! I work with MTB suspensions and there are some things I thought would work well with your engine. Rear shocks have a PTFE glide ring on their pistons which could form a nice low friction seal. Combined with slick honey grease to seal it and provide lubrication. Would mean a round piston though but that's not a bad thing.
@antoinehezard1315 6 жыл бұрын
I've seen a air powered car design that overcome this problem by having 2 cylinder out of phase (just like a regular car engine), so they drives each other. It was very impressive in term of speed even with low pressure. However that will require some fine tuning with the valves so that they don't work against each other. Nice work btw!
@danharold3087 6 жыл бұрын
The air pressure on the input side of a rotary or slide valve will push on the valve and seal it. Look at the valve chest of a steam engine. The valve is push across the intake and exhaust ports by a rod. No guides other than what the rod provides.
@robmckennie4203 6 жыл бұрын
I've only seen people saying he should add a flywheel, which I do agree with, but this is a really creative solution. Circumvent the pressure problem all together
@enginesandmore1013 6 жыл бұрын
I have build a lot of lpe's (lego pneumatic engines) and I always find that the best power to air consumption is produced by a 2cilinder , maybe you should try buil a second engine and just conect the drive shafts . I have to mension that I dont know if the power/air consumption is going to improve with a 3d printed engine as you heve more air leaks
@mindless9342 3 жыл бұрын
The testing is just so relaxing to watch
@WetDoggo 6 жыл бұрын
It really just needs an extra flywheel (brass)
@thatdrummerkid8856 6 жыл бұрын
yeah have a built in flywheel,, or make the gear coming from the engine metal
@notserpmale03 6 жыл бұрын
The car's momentum is enough of a flywheel. the last thing he needs is even more weight to get it going. The issue is, when the car first launches the motor has to overcome more energy then it can put out. which isn't an issue when it's connected to a small prop, or even on the table. ======THE REST OF THIS COMMENT IS WRITTEN POORLY AND HARD TO UNDERSTAND================= however the ball valve's "resistance" as we'll call it. is proportional to the pressure. And grows exponentially faster than the output, however this for the most part can still be overcome by the power output, until he puts the car on the ground, and the resistance is offset.
@SinhNguyen-rk9gr 6 жыл бұрын
the engine works perfectly with no heavy load such as a propeller. but the weight of a car gives the engine an overload. it just can't produce enough power
@madhouse5213 6 жыл бұрын
brass is too heavy, the flywheel needs to be light
@SinhNguyen-rk9gr 6 жыл бұрын
a light flywheel defeat the entire purpose of a flywheel.
@ceptimus 6 жыл бұрын
Why not fit an actual flywheel to the crankshaft, as well as the gear?
@thedeterminednovice2389 6 жыл бұрын
Or use a brass gear for the flywheel and output at the same time
@khushitiwari1913 4 жыл бұрын
@@thedeterminednovice2389 w
@brady1045 3 жыл бұрын
The sound of this thing is amazing
@buccaneerrex 6 жыл бұрын
Hi Tom, I have enjoyed watching your channel. I like your direct mechanical approach. It looks like so much fun to make the things you make. Thanks for the video.
@OhighOSkater 6 жыл бұрын
I think 608's are the bearings that are used for skateboards. You should get a skateboard axle to put the bearings on. It should fit better. Great video!
@qibble455 6 жыл бұрын
Belt drive!
@szema 6 жыл бұрын
why would that be better???
@qibble455 6 жыл бұрын
Because he's having trouble getting the gears to mesh efficiently. it will also allow more options to deal with the flywheel/torque issue.
@SinhNguyen-rk9gr 6 жыл бұрын
how can you do that on a 3d printed car?
@johannesmuller1288 6 жыл бұрын
usse rubber bands as belts an dthen print pulleys
@flickpad 6 жыл бұрын
Good idea!
@williamthomasmi10 6 жыл бұрын
Insanely high quality video, and you are absolutely the cleverest youtuber I follow.
@astro_mittens5792 6 жыл бұрын
Oh you know, just about 7.95mm give or take. Keep it up dude, love your stuff!!!
@edwardatnardellaca 6 жыл бұрын
You should only drive only one of the rear wheels, or make a differential.
@robmckennie4203 6 жыл бұрын
why?
@edwardatnardellaca 6 жыл бұрын
Rob Mckennie to improve performance.
@robmckennie4203 6 жыл бұрын
If you want to improve performance I feel like there are better things to focus on than making sure the wheels don't slip during a turn. In fact, I would think the additional friction of a 3d-printed diff would hurt the performance more than it would help.
@edwardatnardellaca 6 жыл бұрын
Thats is why I suggested the much simpler and more efficient solution of driving only one wheel. It is a very low cost (time and effort) modification for a significant improvement in performance.
@robmckennie4203 6 жыл бұрын
Lol I don't know if I buy significant, I would categorize it more along the lines of a waste of time
@fiskfisk33 6 жыл бұрын
Add a flywheel before the gearbox so to say, so increasing ratio doesn't lower the energy of the flywheel.
@MatteoDiGaetano 6 жыл бұрын
Man you and your manufactures are awesome!!
@horrorhotel1999 4 жыл бұрын
Since we're running "relatively" low rpm's here, I think an arduino combined with a hall effect sensor should be able to electrically open and close the inlet valve of the motor - if you try this, use a trimpot on the arduino's analog in to be able to precisely control the valve timing. If you get this working, you might reconsider also adding the outlet valve again
@MarinusMakesStuff 6 жыл бұрын
Okay, so, why not add a flywheel onto the small gear that runs next to it? It's hard to explain but you can make the axle coming out of the motor a bit longer and add a flywheel to it so you won't need other solutions. Or use a GT2 or related closed-loop belt. They are used in 3D-printers and work really well and don't have play.
@jackass123455 6 жыл бұрын
Build a pressure regulating valve this way you can increase the pressure and therefore volume in your tank without increasing the pressure at the engine.
@yousufs325 4 жыл бұрын
Amazing work .adding a starting mechanism would make it perfect
@the4ghzpc 5 жыл бұрын
I think it might work a bit better with a flywheel! Also, I'd love to see an engine like this with more pistons!!!
@epicspacetroll1399 6 жыл бұрын
What about adding a flywheel directly to the engine shaft?
@pieterpretorius1014 6 жыл бұрын
steam traction engine setup would work. a fly wheel connected to the crank keeps the engine going while there are a separate set of gears driving the wheels
@johansmit4071 6 жыл бұрын
Yes!
@derekwallin2624 5 жыл бұрын
Yeah this seems like the obvious and most easily implemented solution.
@benjaminherbst6315 5 жыл бұрын
@@derekwallin2624 Yeah i thought so as well.
@stefanbramel 6 жыл бұрын
You could build another engine and arrange it so that always one cylinder pushes down or add a flywheel.
@welshdave5263 6 жыл бұрын
Stefan Bramel like a kind of multi cylinder engine, but with the gear or shaft to link them into synchronisation.
@tylerm124 6 жыл бұрын
You could also build a simple air regulator on the bottle. That way you can run the engine at around 35psi and pump the bottle up to it's safe maximum psi. This would give you longer run times something around like 2x(this is in now a scientific estimate)times if the bottle can handle 60 psi. You could also get some glass fiber(sold at retail or autoboty stores) and string to reinforce the bottle allowing it to hold much higher pressures.
@davidolson7575 6 жыл бұрын
Another fantastic video, proving the old adage that less is more.
@bobbilly8476 6 жыл бұрын
Dry ice in the bottle
@robmckennie4203 6 жыл бұрын
i agree dry ice bombs are very fun
@julianfernandez2689 6 жыл бұрын
Can you not just pump the bottle to higher PSI's and use a regulator to output 30PSI
@masheen_ 6 жыл бұрын
Just saw your comment. We have the same idea. This way his max PSI doesn't matter. His low RPM engine is actually efficient in that regard.
@julianfernandez2689 6 жыл бұрын
Yep, technically he could fill a small aluminium bottle to much higher PSI and just regulate it for a really long runtime
@RingingResonance 6 жыл бұрын
Along with the pressure regulator he could use a two or more cylinder steam engine design for self starting and us an aluminum container with some dry ice in it.
@Number_055 6 жыл бұрын
You *could* do that. Buuuuut... WE GOTS TA GO FASTE
@slippulter8053 5 жыл бұрын
Julian Fernandez or use a small, battery powered compresor. I’m guessing 30 minute runtime. Maybe even more
@ethanhermsey 6 жыл бұрын
hey wow, ur editing and explaining is getting better too, nicely done :o
@curtisjordan9210 5 жыл бұрын
Very cool, keep up the great work!
@stevecrafter6606 6 жыл бұрын
Tom Stanton build an enclosure for your printer I made one for my cr10 due to warping problems now all the parts turn out just fine no warping all I used was insulation foam from the hardware store
@isaaclyonsf1 6 жыл бұрын
steve crafter, I'm doing the same thing when I get my cr-10 s!
@littlekenster9188 6 жыл бұрын
I have a cr10, how did you build it? What frame for the enclosure?
@stevecrafter6606 6 жыл бұрын
Little kenster it’s just 6 pieces of 1/2 inch polyiso insulation foam board from homedepot taped together. if you want more detailed info message me again and I’ll answer any questions
@stevecrafter6606 6 жыл бұрын
It isn’t pretty but it works great printed 4 5 inch ducts for a hovercraft project all perfectly flat also printed wheels for an rc plane turned out great to remember it doesn’t half to be pretty just functional
@vilho4649 6 жыл бұрын
You could add a litle starter motor to it and btw you could start selling to sell these as little kits for those who doesn have 3d printer
@welshdave5263 6 жыл бұрын
vilho I was thinking this too.
@wileyiscool9630 4 жыл бұрын
You need a differental on the rear wheels to adjust for steering. It allows both rear wheels to spin at different speeds when turning so that one is not getting dragged along.
@TheDIYScienceGuy 6 жыл бұрын
Very nicely built! You could also ad a flywheel directly to the engine, that would solve everything.
@Robin-xh2py 4 жыл бұрын
6:30 who noticed the cat
@holyschmoe1466 3 жыл бұрын
C A T
@caz6810 3 жыл бұрын
@@holyschmoe1466 m
@danielt619 3 жыл бұрын
Yes
@Humam4327 4 жыл бұрын
ADD A FLYWHEEL AND MAKE IT AGAIN WITH UPGRADES PLS
@indica1895 5 жыл бұрын
What you need : Electric starter (to get the engine running since it requires a push start every time) Better storage for the air (compressed air canister) A clutch (Should fix your torque issues when starting) That's it really. Hope to see these ideas in a future video :)
@burgle66 6 жыл бұрын
You need a pressure regulator. You can only store more gas by compressing it so just add a pressure regulator and maybe a secondary expansion chamber to provide a fixed pressure to your engine. Your main air tank becomes a fuel tank and a secondary chamber/pressure regulator provide a constant, ideal pressure to your engine.
@vladimirlucifer4566 6 жыл бұрын
Tom, you need a differential.
@edwardatnardellaca 6 жыл бұрын
Or just drive only one wheel.
@vladimirlucifer4566 6 жыл бұрын
Edward Nardella Tom wants efficiency, so a differential would be perfect.
@davidf2281 6 жыл бұрын
@Forever13 pt Surely a differential would decrease efficiency from increased friction. I think Edward's suggestion of single-wheel drive would be better (and simpler)
@vladimirlucifer4566 6 жыл бұрын
Oh, do you think so? Did you realize that the car slowed down because the wheels rotated at the same speed? Well, that car needs a differential now.
@vladimirlucifer4566 6 жыл бұрын
davidf2281 Yeah, ungoverned wheels are going to totally work out better. Having a differential you have proportional torque on each side of the vehicle. And that increases acceleration and stability, two things that the car needs because of the lightness.
@donaldasayers 6 жыл бұрын
Put a flywheel on the crankshaft. You are also wasting a lot of energy as friction because your cams are so big in diameter. Larger diameter>faster rubbing speed at the same friction>greater power loss. Did you think of making the piston cylindrical, getting rid of the gudgeon pin?
@donaldasayers 6 жыл бұрын
Sorry I did not explain that well. I meant a square piston with two cylindrical rounded edges so that it can wobble in the bore.
@ThriftStoreHacker 6 жыл бұрын
I think you may be able to reduce the gear ratio and put a heavy flywheel on the crankshaft to get better results. The flywheel on the crankshaft will provide the momentum you need to keep the engine running at low speed. If you use a very small medical oxygen bottle with a regulator (find second hand?) You could run low pressure with high pressure storage.
@maxvallone9391 6 жыл бұрын
To increase the amount of time per filled tank you could use a higher pressure tank and a regulator valve to trim down the pressure
@edvinjohansson9625 5 жыл бұрын
When is part 3 coming? Would realy like to see more on this car
@Will_Walsh 6 жыл бұрын
I know it may be a little more complicated, but I think that a cvt would work really well for this sort of engine. It would allow for the engine to run at peak efficiency while being able to control the throttle.
@jakesskates4663 5 жыл бұрын
That sounds sick!!!!
@harrylenon9594 4 жыл бұрын
i want an update to this, this car is awesome! using a twin cylinder with a weighted flywheel would be pretty impressive at high pressure
@jusb1066 6 жыл бұрын
the engine and valve is wrong, look at mammod and their wobble cylinder which is also the inlet, the pressure does not reduce their effectivenemts
@mikecunningham3423 6 жыл бұрын
You need to put *dry ice* and *water* into the bottle then attach it to the air powered motor
@robmckennie4203 6 жыл бұрын
google "dry ice bomb", then go sit in the corner and think about what you have done.
@PapoochCZ 6 жыл бұрын
Combined with a safety valve, I can see it working.
@robmckennie4203 6 жыл бұрын
Papooch until your safety valve freezes, blocks with ice, and the bottle explodes. Go watch this video by Ben krasnow to find out what happens when you put co2 through a tiny orifice kzfaq.info/get/bejne/itydgJmixpjFaWQ.html
@exr879 4 жыл бұрын
Wow this really inspired me
@Great_XicoZe 6 жыл бұрын
Great work! You can handle power and torque if you use a cvt transmission.
@shootmcrunfast 6 жыл бұрын
3d printing......taking engineering back to Victorian times since 1995!!
@catherinebounasr5980 3 жыл бұрын
Kceubj^•4 {¤
@fiveoneecho 6 жыл бұрын
Would it work to make an actual flywheel so that you could just make the gear ratio whatever you want? Or that two-cylinder engine! ;)
@snoik1376 5 жыл бұрын
Cole Smith oohh boxer engine time
@gordonwbell 6 жыл бұрын
Good work. Couple of suggestions, you need a longer stroke which will effectively increase the torque of the air acting on the crank thus the gear, you should also add a flywheel, and last but not least crank up your bottle pressure, when I built an air engine for my final college semester, the math suggests that a standard pop bottle strength is maxed at 125 psi, so we pumped it to 75 psi, and I was able to achieve 4000 rpm and 30-40 seconds of run time, without a governor. But very cool. All depends on a few ratios, bore to stroke, and rod to stroke ratios.
@kensmith5694 6 жыл бұрын
On the motor, add a cam pushing a roller and spring. Over the part of the rotation that makes torque, have it store energy in the spring. When the torque is needed to open the inlet value have a sharp down ramp on the cam so the spring adds a large torque just at that point. This will make the motor work at high pressures at the cost of not working at extremely low pressures and a tiny bit of friction.
@operatorismail6038 3 жыл бұрын
Everybody gangsta until you get this on recommended two years later
@aarank1008 3 жыл бұрын
Where do u learn all this??
@MrElapid Жыл бұрын
Sweet project! I printed a spiral plastic spring for a toy once and wound it with a little key. A simple starter motor? You'd have to wind it but then when you take the car out a plastic toggle & pawl could release the spring and start the motor. You've got some great ideas in your vids.
@kwedubzkate 5 жыл бұрын
a metal flywheel is a good alternative for sure also adding another piston would help overcoming the torque needed for valve operation since it wouldn´t depend solely on the flywheel momentum
@geniusaur 6 жыл бұрын
Whyyyyyy not just use a weighted flywheel?
@WarblesOnALot 6 жыл бұрын
G'day, Yay Team ! My thunkin's prezactly...; but I was ponderin' the possibility of usin' the existin' printed Plastic Driving-Gear/Featherweight Flywheel to make a Plaster Mould, then melt or burn out the Plastic (as is done with Lost-Wax Casting) and then cast a Metal Gear...; but, of course y're right, simply glueing a small Coin or a Steel/Lead Washer onto the Gear would cure the problem, with a shitpotful less mucking around... Have a good one, ;-p Ciao !
@geniusaur 6 жыл бұрын
WarblesOnALot tbh I was thinking to just turn a Brass or steel weight, being an aerospace engineer he should have access to a lathe XD
@icewallowkam2054 6 жыл бұрын
try powering with dry ice lol
@redsquirrelftw 6 жыл бұрын
I kind of want to see that too. Baby steps though, once it's perfected he can probably try stuff like that after.
@robmckennie4203 6 жыл бұрын
dry ice is a terrible idea. you're just making a dry ice bomb. as counter-intuitive as it sounds, liquid propane would actually be a better solution
@redsquirrelftw 6 жыл бұрын
A small amount probably would not be a big deal. Suppose you'd still want to build a pressure relief valve just in case though. The danger is only if the motor was to seize otherwise the pressure will be lost through the motor running.
@nonowords7857 3 жыл бұрын
@@redsquirrelftw you can add a burst value that opens under very high pressure so if the pressure were to somehow build up tooo much, the value will explode letting the air out and the air container won't explode
@s.cenaryu 6 жыл бұрын
Man you are very smart, i like your passion and your videos, i watch them with thirst :) thank you!
@evgenkonyshock4913 6 жыл бұрын
You should try using secondary pressure chambers. When piston goes upwards on 2/2 phase, engine releases used air, which still got some pressure and can power smaller cylinder. So in this system you have multiple cylinder engine with only one getting main air input and the rest getting used air pushed from previous chamber on 2/2 phase. This gives a lot more torque and efficiency although decreasing rpm. This system was widely used on coal-steam engines so you should be able to find examples pretty easily. Titanic engine for example has four cylinders with three different pressure levels.
@kobrapromotions 6 жыл бұрын
5:08
@rigille 6 жыл бұрын
Thank you!
@peterdunn909 4 жыл бұрын
When he sqeezes the tube it sounds like she got a cam in her
@davesendit1348 4 жыл бұрын
Lol she got that lope
@Angelum_Band 6 жыл бұрын
You can charge it to higher pressures if you use a pre charge valve like they use in the PCP air guns. You'll get a better curve of energy you have available.
@andyg3 6 жыл бұрын
7.59mm seems to be 5/16" macc models is a good supplier of metal all sizes.
@kielbasa.sausage 3 жыл бұрын
You can fix that wheel start issue with a transmission
@goobisoft4873 6 жыл бұрын
Make 4 wheel drive with 4 engine
@modwannabeminecraft1246 6 жыл бұрын
u Bundi if you end up having for engines you end up using more air which means more tanks which means more weight and on top of that if two or more of the engines fail to make a revolution the car would either go in circles or keep going straight uncontrollably plus this would alleviate having any steering control unless you make it into a six wheeler which would make it very difficult to make turns nice idea though.
@mandernachluca3774 6 жыл бұрын
Yep, found the guy who watched carsandcameras XD
@laharl2k 6 жыл бұрын
Modwannabe Minecraft No problem, just use a 4500 psi scuba tank. It should compensate fot its weight
@modwannabeminecraft1246 6 жыл бұрын
still to heavy XD in that case the car would have to be tethered sadly :( nice idea though :)
@modwannabeminecraft1246 6 жыл бұрын
sorry to disappoint you but I never watched that :)
@brytonmassie 5 жыл бұрын
I'd recommend looking at the old air-hogs pneumatic engines. They are very efficient and using some of the design from them will help.
@KHos73 6 жыл бұрын
Very cool project. Keep at it.
@lucasannio9320 6 жыл бұрын
There’s no replacement for displacement lol
@vladimirlucifer4566 6 жыл бұрын
Boosted Rc’s There is. Supercharging, No2. And Hydrogen injection.
@robmckennie4203 6 жыл бұрын
I don't know about that, but there's certainly no replacement for an m60 in the trunk
@lucasannio9320 6 жыл бұрын
Forever13 pt rotary air engine? Lol
@vladimirlucifer4566 6 жыл бұрын
Boosted Rc’s Not talking about this. And no. I actually designed some hydro rotary years ago, since I make hydro engine concepts, but I can't really patent them. And, I'm thinking about the most efficient engine right now. I'm not kidding, I actually use hho for my concepts, so I'm still a bit different than them. And yeah, I always thought about Hydrogen combustion engines. No pollution at all. It's great. But the Mazdas hydro system is not quite the best. Hopefully they improve it.
@fbi3331 5 жыл бұрын
2:05 just use electrical tape 😑
@ethatopia2730 3 жыл бұрын
Omg you're an aerospace engineer? That's my dream job!
@__BT-7274__ 3 жыл бұрын
Same
@tabsbluebricks5422 5 жыл бұрын
lovin the vids!
@MladenMijatov 5 жыл бұрын
You can probably solve the issue by having a small gear as well as the dedicated flywheel on the crankshaft. This way you will keep the momentum of the flywheel but also keep the gear ratio. There's a reason why old steam engines had a huge flywheel. Also in my opinion, pressure regulator is a must. Plastic bottles can handle huge pressures. They initially bottled with far more CO2 than needed as they loose some of it during transport. For this reason they can easily handle pressures of 150psi.
@upsidedownairline9388 6 жыл бұрын
I personally would suggest attaching a heavy flywheel directly to the engine output shaft. That way you don't have the problem you described where you have to decrease the gear ratio, and you save yourself the problem of having to redesign the entire engine. Then, I'd suggest using a proper pressure regulator for the throttle. That way you can control the throttle more accurately, and you can also pump your air tank to a higher pressure without stalling your engine.
@WafflePlaneRC 6 жыл бұрын
You could try a rapidly-spinning flywheel directly on the engine, while keeping that high gear reduction to the wheels. Like some of the old steam-driven tractors had.
@centurialinc 6 жыл бұрын
You know a multi cylinder version, correctly orientated will provide the power to drive it self. No fly wheel needed. I say we revisit the multi cylinder idea. Toss efficiency in the bin, print the whole thing out of carbon nylon, slap a carbon air tank at 2000PSI (KGPSC for you) on it, and build an air powered drag car. I'll get some T shirts made. They will say "No replacement for displacement". What should we call it???? Good stuff keep it up. Best Matt
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