Does anyone have experience with rotary powered light sport aircraft? I know Austro makes the AE50R which from what I understand is in the under 80 lb weight range with a "no loss lubrication system" and is currently working on an 80 horsepower rotary to "replace" a Rotax 912 80hp.
Anyone know anything about these? Are there other less expensive options I haven't found yet?

Jenn Kimball

Nothing certified other than the Austro Engine. Over 500 of the 50 HP versions have
been sold to  Alexander Schleicher   motor gliders .

LSA requires certification. There may be an LSA experimental category.
I am not really all that up on the rules.


Lots of Mazda one rotors however.

What did you hear about 80 horsepower rotary to "replace" a Rotax 912?

Paul Lamar


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