Billrsv4's latest activity


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    Billrsv4 replied to the thread Mazda Rotary Engine.
    Guys Powersport was doing the best “low RPM” wankel porting. They were tuning for 6000 RPM. They finalized at 208 HP at 6500 with very...
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    Billrsv4 replied to the thread Raptor Composite Aircraft.
    Racer, often times there is even more time between first flights ans a pre-production example. Witness the DeltaHawk Diesel...
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    Keith, You need to do a compression or leak down test on both cylinders. For the cylinders to be that far apart indicates possible...