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Unread 04-30-2007, 01:18 PM
Gator_Bait Gator_Bait is offline
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Join Date: Feb 2007
Location: Norfolk, VA
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Default Re: "Prop Wizard"

This may sound dumb but how do I determine the prop I have? I can measure the diameter I suppose, but the pitch? Is it imprinted somewhere? I looked on the fins and saw no engravings that I could find.

As you know I just bought the boat and they guy didn't know what specs the prop had, so I just wonder if I need to think about a different prop or not? There aren't any niticeable issues really just curious.

It's a Yamaha 150 and currently WOT, trimmed well on flat water it runs to about 5200 rpm and 41-42 mph. He said his preferred cruising speed was about 4000 rpm which is about 29 mph or so.

That wizard says max WOT is 5500 rpm, so maybe I am in a good spot already and should leave the prop alone and just buy other stuff ;D ;D
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1994 V-21 Cuddy w/ Yamaha 150
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