Hi Paul,

Thanks for the rpm hp data sheet.

What I need is 120hp @ <300 lbs  (135kg)


So my thinking Keep it simple.
Rather than build a single rotor + gear box etc

I was hoping I could build a 13B (possibly using aluminium side plates) + P-port
doing 120+hp @3000 ish RMP.. Doing away with the gearbox..Direct Drive.


Is direct drive form rotary possible?

(Lighter rotors would be good.....)

Regards Keith

Yes but you will need real long intake runners and dynamic chamber.

Paul Lamar
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