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20000rpm air engine by Wolfhart

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Uploaded by on Sep 13, 2006

New rotary piston machine as an oil-free operating air motor running with 20000rpm,
There is one vane only and rotating without any centrifugal forces. This kinematic is superior over the one for conventional vane air motors and usable for higher pressures and higher performances. There is almost no friction any more.
Details in www.Wolfhart.us

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Autos & Vehicles

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  • likes, 18 dislikes

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Uploader Comments (InventorWillimczik)

  • @Aunubus69 I don’t know what statement you mean.

    There are no “hot spots” in this air motor. The compressed air which expands in the motor gets cold. If there is water vapor in the air there is danger of ice build up.

    Friction generates heat, but it depends on the forces pressing both partners together. There is a spring from a ball point writer only for the entire blade! Most importantly there are no inertia forces any more. WolfhartIndustriesdotcom

  • @InventorWillimczik I was mainly talking about the piece of plexiglass that slides up and down on the rotor and the sides of the rotor to its housing. It looks to me those are touching and they are moving parts. In the law of physic with something like that set up it would cause friction. Am i wrong?

  • @Aunubus69 I never build a machine with a vane going up and down.

    The point of this video was to show the total different kinematik if the piston is turning or the housing. In the last case nothing goes up and down, but rotates only. Watch a point on the outside of the Plexiglas vane. It goes first up and down, than it moves in a circle without any inertia forces. Of course there is always some friction, but a very low one compared with the radial vane principle with high friction.

  • in the video you ran it on compressed air any engine may be capable of running at extreme rpms given high inputs but that does not prove your engine will run at that speed. for example when they modeled quaziturbine they said it will be doing very high rpms but in reality it only did 3000 +. have you run it on any type of fuel?

  • The fuel is compressed air. There are extremely low forces between the sliding partners, which allowed not only high speeds any long time but also a total freedom of oil. The Deprag Corp. build- and tested this.

    This is a unique kinematic. Most other principles have to deal with centrifugal forces etcand there are a lot of false promises out there

    You need a statement from a physicist like me.

  • there is very huge area of contact between the vane and rotor, the other thing is how are you going to make sure the vane contacts the rotor at the right angle, meaning is it spring loaded or not? your model did not show any thing? how are the exhaust and intake gases isolated meaning how much overlap is there?

  • The vane is spring loaded with a few Grams only, because there is no reciprocating motion nor a centrifugal force. You see more in my online book Codename Einstein about this principle.

Top Comments

  • Sounds like a Mazda RX-7 and RX-8

  • haha you kids are fighting about toy cars...

    HAHAHAHAHAHAHAHA...

    reminds me of primary school.

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All Comments (81)

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  • It's a neat idea, but I can't help but wonder if that vane would wear out too quickly to be practical. Hopefully not, but I can't help but wonder.

  • Check

  • wow!!! sounds like a chainsaw!!! ;D

  • @InventorWillimczik It would seem your statement is not entirely true at any point where you have friction you have heat and heat can cause lots of problems like the wearing of the slides to counter this you will need some type of lube rather it be oil or some other type of high temp grease. If not there is bound to be system failure under those extreme temps, forces, and friction resistance's.

  • 2 stroke on starouds

  • How does it work?

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