Re: min planing speed
I have a 20' Seafari OB model with a 150 Merc. I need 20 mph to plane with the engine trimmed all the way down, and I can then back down to 18 mph before falling off plane. I've found that about 22-23 mph trimmed down is the best for choppy water.
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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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