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prop rotation on single engine boats?

Old 04-24-2003, 11:01 PM
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Default prop rotation on single engine boats?

any advatage to using a left handed prop on a single bravo applciation? any dis-advantanges?
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Old 04-25-2003, 03:02 AM
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Not unless you want to haul ass backwards...lol (Sorry, I just couldn't help that one)
 
Old 04-25-2003, 03:50 AM
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Advantage---counteracts the directional torque of the engine

Disadvantage---puts more stress on the top of the drive

Fountain does or did use left handed rotation props on their single engines.
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Old 04-25-2003, 08:19 AM
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On a single, it is plenty easy to shift weight around to "balance" against prop torque (usually by moving the battery).

I would think that if there were true advantages, that the 115 mph padvee Allison crowd would have figured it out and been doing it (they don't).
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Old 04-25-2003, 08:40 AM
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Formula does it with thier new 27 fastecs. they run a left hander, and also 1:65 ratio. I was wondering how my buddy was spinning a 28p bravo at 5250 with stock 502 until i looked at the ratio of the drive.

My boat leans to the left when cruising due to the right hander. i need to use some tab to straighten it out. it doesn't lean as bad with a 3 blade as it does with the 4 blade.

I haven't tried a Lefty yet to see if it leans just as bad in the opposite direction. I'll have to try that to see what happens.
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