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  1. Rupestris

    Another cavitation question

    Some of you might have seen the pics of my Grumman SportBoat. Its esentially a fat canoe with a transom. Mfgr. rating for the motor is 7 HP. My current motor is a 5 HP 2-stroke Merc. Due to the constant change in the way the boat sits in the water, I can't really nail down an optimal angle to...
  2. Rupestris

    New guy (intro)

    Hi everyone. I happened across a link to this site at another forum I visit. I had no idea there was a forum for folks that enjoyed aluminum boats that don't require a second mortgage to buy. :wink: I've owned a Grumman SportBoat 15 for a few years now but this year will be the first year...
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