Re: Performance on a 20cc with a 200 Yamaha ox66
6000 (rpm) 18 (pitch)
----- X -------- X (1-10%) (avg.slip) = 38.7 mph
2.38 (ratio) 1056 (constant)
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Common Sense is learning from your mistakes. Wisdom is learning from the other guy's mistakes.
Fr. Frank says:
Jesus liked fishing, too. He even walked on water to get to the boat!
Currently without a SeaCraft 
(2) Pompano 12' fishing kayaks
'73 Cobia 18' prototype "Casting Skiff", 70hp Mercury
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