Hi Paul,

As far as I know, Rotamax rotary engines do not have any oil sump, they
work with oil direct injection. In your opinion, is that a good thing or
not? Would you recommend oil sump or oil direct injection?
I am looking to get 350 Hp out of a 2 Rotor engine, in all aluminum.

please see following picture of a Rotamax engine.

http://www.indysportaviation.com/Oshkosh2008/rotamax120hp.html


Thank you
Andy Mangold

It is called charge cooling and it is inadequate for an aircraft
engine called on the generate over 50% power for long periods
of time.

You will need a high pressure oil system with oil cooled
rotors. In other words a Mazda.

Paul Lamar

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