Awesome Air Powered go kart. 43km/h Top speed, Electronic timing, Mechanical Clutch, Competive performance. See the project from start to finish including lots of test videos. GET MORE INFO AT: poisson.me.dal.ca
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{ 25 comments… read them below or add one }
i was thinking about this all today. if you ran a line from the exhaust to a pressure regulator with a one way check valve, when the exhaust air gets to a certain psi you could push it back into the bottle. then you would have a never ending supply of presurized air….if not then you may need to throw an accumulator into the mix. but being as the engine shouldnt remove to much psi you should be able to reuse the exhaust
Its not quite that easy to get air back in the tanks. The air would have to be at higher pressure then the tanks in order to get it back in. The tanks start at 3000 psi and we run air through the engine at 145psi. This means that the exhaust can be no more then 145psi. We would have to pump the exhaust air back up to pressure. Therefore it is of no benefit to put the exhaust back in the tanks. We do use a recirculation loop. We reworked the engine to use two of the three chambers for power.
interesting.. though i still beleive theres away to get it back in at the proper psi, my mind keeps going back to the high powered hydraulic brake systems that use a storage tank and an accumulator to store i beleive about 5000psi of pressure. i will have to consult my old teacher on the system and compressed air with it. though i dont see why its not possible since mercedes was doing it with vaccum on their old 300D deisel cars.
Nice one! What’s the name of the track used at beginning of the video?
BTW did you notify Guy Negre? I am sure he’ ll love this.
I have 2 oddball questions…What’s the decibel rating on the engine and how long does it last?
Mega thanx ahead of time for your response.
^_^
P.S. Keep up the awesome work!!!
We do not have the decibel rating however it would be similar to a small motorcycle. We could easily reduce this and increase the power of the engine as well. We used an old snowmobile engine for the project with one rotor. If we used a multi-stage step down with increasing rotor sizes. We could extract much more power per air vol. This multi-stage step down technology is used in steam engines in the late 1800’s. It was purely budget that kept us from doing this. We currently get about 5 min.
Still, either way…I think you did an AWESOME JOB!!!! ^_^
Thanks!
what is the range on that thing?
very coll great job1!!!!
Maximum of 3.5 miles if the numbers in the comments and intro are correct
Quote “If we used a multi-stage step down with increasing rotor sizes. We could extract much more power per air vol. This multi-stage step down technology is used in steam engines in the late 1800’s”
Nope
You misunderstand compound, triple expansion etc steam engines. Multi expansion steam engines work due to superheat and exhausting to a vacuum and the efficiency increase is in the 20 to 40% range over single expansion. Does not apply to air expansion.
Nice Job!..Alternative vehicles are allways interesting
That is Great!!! very nice job!
air powered rotary
i love you guys! can you build a air powered 4 rotor 
fukin seals fuk em who cares
looks like a wankel rotary. cool.
Hi.
Question why you are using only the standard ports of the intake and output.
It is sensible to make in the stator, two more windows, with a rotation of 180 degrees.
Considering the video did not saw any
whare is the indoor track??????? (what city)
Were not actually using the standard ports. We made a new exhaust port and are using the ignition and suction chambers for forward thrust. The compression chamber is now the exhaust. We could have optimized the chamber positions however we didn’t have the budget to fully rework the engine.
Nope. It does apply. The rate of expansion effects the energy absorption of the air. That is why a pressurized vessel gets cold when you open it quickly.
Only if the rate of expansion allows your heat source in your case the atmoshere to transfer sufficient energy to counter the cooling due to expansion. At the rate you are using the supply this is minimal as the cylinder are where the cooling occurs even multi staging does not give you sufficient heat transfer area to make a, your words “major difference”. Even in the theoretical idea case you are looking at maybe 40% better performance which is still just an interesting toy exercise
Really nice job!
If you want a real HOOT check our my “Tesla Turbine Go Kart” and my “Leaf Blower Powered Go Kart” videos.
What do you guys thing of using a turbine in and air car power train with and multi speed trans. or and electro mechanical trans. ?
it is
great presentation!