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Hint : not a trivial technology... ;) (6-7 cm wide)

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Luigi,

 

I have never seen something like this, but could it be an electric motor or generator with the openings at the top for connections and the machined coupling on a shaft?

I may be barking up the wrong tree.

 

Paul

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it's a rotating piston motor, after its inventor named "wankel".

this engine is supposed to be used in a model airplane. but not in the current status - needs a thorough cleaning, and a check of bearings and internal surfaces.

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it's a rotating piston motor, after its inventor named "wankel".

this engine is supposed to be used in a model airplane. but not in the current status - needs a thorough cleaning, and a check of bearings and internal surfaces.

 

:) YOU GOT IT :)

 

A Wankel engine for aeromodels : made by Graupner... probably the one firm that makes such engines for models (developed jointly with Japan's O.S.)

I am not a hobbist in this field.... have found it at a flea market for few Euros and bought it just for its oddiness... at the moment, I haven't yet succeeded in opening it... :o... screws seem blocked... but I will try better : the inner part must be very fun to see...

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:) YOU GOT IT :)

 

A Wankel engine for aeromodels : made by Graupner... probably the one firm that makes such engines for models (developed jointly with Japan's O.S.)

I am not a hobbist in this field.... have found it at a flea market for few Euros and bought it just for its oddiness... at the moment, I haven't yet succeeded in opening it... :o... screws seem blocked... but I will try better : the inner part must be very fun to see...

 

Right, Luigi : I used to be a practitioner of aeromodelling - and even a champ - before flying bigger things, and I saw various versions of the tiny Wankel engines: Their problem : weight versus power. One of my brothers in law had a Wankel-powered NSU car for some years. The rotating "piston" of the Wankel engine is triangular.

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Right, Luigi : I used to be a practitioner of aeromodelling - and even a champ - before flying bigger things, and I saw various versions of the tiny Wankel engines: Their problem : weight versus power. One of my brothers in law had a Wankel-powered NSU car for some years. The rotating "piston" of the Wankel engine is triangular.

 

You were a champ in aeromodelling ? Just for curios... did you use the engines made in my town ? (Rossi - Novarossi , I know them well... their engines won, and still win, many championships all over the world).

 

About Wankel... my father did use, for few months, a NSU RO 80... Wankel dual-rotor (NSU made also a small spider - monorotor) : not a succesful car, even if it had a very modern styling for those times (end of '60s, iirc)

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You were a champ in aeromodelling ? Just for curios... did you use the engines made in my town ? (Rossi - Novarossi , I know them well... their engines won, and still win, many championships all over the world).

 

About Wankel... my father did use, for few months, a NSU RO 80... Wankel dual-rotor (NSU made also a small spider - monorotor) : not a succesful car, even if it had a very modern styling for those times (end of '60s, iirc)

 

No, Luigi, I didn't use these engines (in fact, they were unknown in Belgium in "my" years 1950-1955). Mines were OK, ED-Bees, McCoy (and a heavy French one whose name I cannot remember now), both gow plug or diesel.

I agree with you that the RO 80 was attracting attention...and problems.

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  • 1 month later...
It looks like a pump or compressor of any machine. I am not shore about it but it looks like motor ump.

Believe it or not, I ran across an old motor in my years at General Electric Co. Motor division in the design engineering that looked somewhat like this and it was related to a pump design. I have no doubts that it is what Luigi says it is.

Paul

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