Re: Twin Yamaha F115s on a bracketted 23'?
Having the right spare propeller in an emergency is important.
The Town of Palm Beach used to have a 23' SF as a patrol boat, rigged with twin RH rotation Evinrude 235's. It would not plane on a single engine with the normal 27"P props. But we put a single 17"P stainless prop on board as a spare. More than once, it came home using the spare prop on a single running or intact engine, and it came in on plane with the other motor tilted up. When those motors were replaced with CR 150 hp 'Rudes, I was told they could still get on plane with a single engine, trim tabs, and a low pitch prop.
A 23' will NOT plane, however, with a single offset 115 hp motor.
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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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