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What prop should I Use

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Old 01-15-2006 | 09:43 PM
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Default What prop should I Use

I have a 40' fountain with "3's and im running a 26p 3 blade clever prop. I would like to go to a 4 blade but not sure what size pitch. Any ideas?
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Old 01-18-2006 | 06:15 PM
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Smile Re: What prop should I Use

Please give us more info on the boat and power package(rpm and speed,desired rpm, etc.). Also, what diameter are the current propellers?
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Old 01-18-2006 | 08:49 PM
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Default Re: What prop should I Use

Its a 1987 40' fountain with twin 509's with 177 b&m blowers, 5000 rpm 70mph. I hope that helps
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Old 01-19-2006 | 05:35 PM
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Smile Re: What prop should I Use

What's your gear ratio and propeller diameter.

Do you know the X dimension of the drive or better yet how far under the boat bottom is the centerline of the prop shaft?
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