Boat Maintenance: Buying a new prop - Need Help
(Lake Jordan Specific)
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Name:
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Osms
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Subject:
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Buying a new prop - Need Help
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Date:
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5/31/2005 10:43:07 AM
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Pretty much enough's been said--except: To get best prerformance, load your boat the way your use it - gas, people, coolers, junk, etc. and run WOT. Check the max rpm you get against the max recommended rpm range. Manufacturers will quote a range like 4200-4800--stay close to the upper end for best performance, life of engine, mileage, etc. In this example, if you are turning 4600 rpm with your current prop you need to decrease your prop pitch by 2" to get up to 4800 for best results. And vice versa.
Unfortunately, a prop can not add what the engine cannot deliver. Horsepower rules. By the way, Prop shops can change the pitch of your existing aluminum or stainless prop plus or minus 2". These lake dealers probably will tell you differently--because they only sell props.
Mobile, AL has a number of prop shops. Cost should not exceed $100-150 to re-pitch.
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