"Jean C. FABRE" wrote:

Our twin engine coaxial helicopter flies beautifully with 2 Hirth engine 105 hp each.  Have you any experience of R.E on helicopter.
Idealy we would like to have 2 x 150 hp, but can not find on the market a light more powerful engine.
Would a rotary engine on an helicopter have enough cooling, as it seems to be the big problem of rotary engine ?
We have already been in touch with Moller which is our dream engine , but it does not seems available in a too near future.
Jean C. Fabre

The Mazda will work fine. Any helicopter engine needs an engine driven fan.
We have solved the alleged Mazda cooling problem.

Paul Lamar
 
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