Paul Lamar wrote:

Yes we know about them. This may be the three rotor version.
Two of them are used to power this amphibian in Russia.
I took this picture at Sun & Fun last year.

Eh?  Not so, according to Beriev.  The engines are TCM-IO-360ES4.
See: http://www.beriev.com/eng/Be-103_e/Be-103_e.html

Russell Kent

Yes. In the US they are. The rotaries are not certified in the US.

Paul Lamar
 
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