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Author Topic:   prop on 15'

whalerfreak45 posted 06-11-2001 03:01 PM ET (US)
what would be a great prop in terms of top speed and overall performance for a 40 hp honda on a 15 super sport.
jimh posted 06-11-2001 07:53 PM ET (US)
Dear "Whalerfreak"...
The best prop for your situation is the prop with the highest pitch that allows you engine to develop maximum crankshaft speed at wide open throttle.
Do you have:
--a tachometer on your engine?
--a means of accurate speed measurement?
Do you know the current propellor pitch and diameter?
Do you know the current propellor blade shape?
Do you know the current gear reduction ratio of your engine's lower unit?
Can you provide any information about the current performance of your boat and motor?
Lacking some data from you it is a bit problematic to make recommendations. Please supply all the data mentioned above and I am sure there will be some advice available to you.

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Author	Topic: prop on 15'
whalerfreak45	posted 06-11-2001 03:01 PM ET (US) what would be a great prop in terms of top speed and overall performance for a 40 hp honda on a 15 super sport.
jimh	posted 06-11-2001 07:53 PM ET (US) Dear "Whalerfreak"... The best prop for your situation is the prop with the highest pitch that allows you engine to develop maximum crankshaft speed at wide open throttle. Do you have: --a tachometer on your engine? --a means of accurate speed measurement? Do you know the current propellor pitch and diameter? Do you know the current propellor blade shape? Do you know the current gear reduction ratio of your engine's lower unit? Can you provide any information about the current performance of your boat and motor? Lacking some data from you it is a bit problematic to make recommendations. Please supply all the data mentioned above and I am sure there will be some advice available to you.