big boat big block

Airboat propeller discussion.
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BWXSTREAM
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big boat big block

Post by BWXSTREAM »

i have a 20 foot boat estimated wight around 5000 a three blade 82" whirlwind super wide on a century drive 2;1 and a 572 bbc stock can any one tell me the pitch to rpm i should be running to get up on pad with 2000 lbs of fish in the hull after tournament? i can only get it up to 4000 rpm now and it has a hard time getting up the blades are pitched a ways past setting C in the A B C options after 100 fish she just plows and dosnt get planed out

OLD MAN JONES
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Re: big boat big block

Post by OLD MAN JONES »

You need to take some pitch out of the prop and let it turn 4,500 at the motor. you will notice a substantial increase in top end thrust
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pipedog
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Re: big boat big block

Post by pipedog »

Just curious, what kind of fish are you catching??
Palm Beach open hull 13'9" with 6.0 F.I. LS - Ox Box and a 3bld "R"

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kwanjangnihm
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Re: big boat big block

Post by kwanjangnihm »

pipedog wrote:Just curious, what kind of fish are you catching??
is this your boat?
Image
He'll cut your throat, baby, stick you in the back, drive off in your Cadillac.
He's more trouble than you think, he'll kill your sugar, leave you in the drink.

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