This is just the first guess. I'll try two openings next. One on the
 left on the cowl  and one on the bottom of the cowl.

 If the PSRU is integrated into the front cover that will act as a
 huge heat sink. A few fins here and there might be advisable.


 ------------------------------------------------------

 Here it is with a 10 inch spinner. Two cooling baffles. One under the
 spinner and one on the upper left from the pilots point of view. Much
 better than one opening. These are 4 inch diameter openings.

 This is going to make one heck of a very low cost  LSA engine.

 I think we should sell it at the same price as a Rotax 912.


 Paul Lamar



 The heat sink material could be bought in full length, cut to the
 length needed,  machined with bolt flanges on the side to allow the
 heatsink to be bolted to the end plate edges. No fasteners in the
 rotor housing. Just an option.

 Steve Carlisle

You need a good clamping force on the heat sinks so studs welded to
the rotor housing are advisable.

With the exhaust and the intake mounted down we could go forward
with the intake and use a side draft Rotec/Eillison  carb under the
front of the engine.

Paul Lamar

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