OK Lynn, what's the guesstimate for a 44.. P-port intake ( single rotor) at 7,500 using the RX8 high compression rotor with 3mm seals. And would I get more with a bigger port?

George (down under)

Extra data in the game. 13B size, Higher compression, always good news. I deal runner and header length and diameter for 7,500, 130 HP. Just a guess. Put it in a car and get it on a chassis dyno. Pports can be very unhappy with poor muffling systems.

 

Or build one if you have a reduction system and a prop big enough to absorb the power.

Here is a display dyno that could include HP and thrust if some play is left in the pillow block bearings.

 

Lynn E. Hanover