Recent content by wally2009

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    Relplaced Mercury Prop - Now Loss of Speed

    1. I replaced my prop with a new one and now have a loss of speed. The old one cruised at 18 knots at 4000 rpm. The new one I'm only getting 13 knots at 4000 rpm. I'm also getting less acceleration. 2. New prop is Quicksilver "Black Diamond" aluminum. Diameter is 13, pitch is 19. I'm pretty...
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