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prop help

Old 05-31-2005 | 11:27 AM
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From: mi
Default prop help

i damaged my prop a little and need some help where to look for help. the prop that is on my bravo one is a L3 Quicksilver 48 13248a50 25p i get the 25" pitch but what is the diameter? i have a 25 aggressor 454 mag efi 385hp. was getting about 5100-5200 rpm 64 mph on a hand held gps. who should i call and what recommendation dose anybody have? what brand is better, i know i want stainless steel but don't know if i should try something different or buy what i allready have. thanks for any help

andrew
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Old 05-31-2005 | 12:09 PM
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Default Re: prop help

The quicksilver prop predates the Mirage and the Mirage +. If the prop doesn't blow out when planing or slip in the turns, I'd stick with the 3 blade. If you are looking to upgrade to a new prop, then try the Mirage plus. The Mirage + should give you better all around performance. Now if you damaged the prop so badly that it needs replacement, you'd better put a dial indicator on your prop shaft. It'll proably be bent. The good (or bad) news is that you are now over your insurance deductable...
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Old 05-31-2005 | 12:41 PM
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Default Re: prop help

My hull is very similar to yours. I would recommend a 4 blade Bravo 1. My boat does not run well with a 3 blade. You must be slipping a lot, you speed sounds low for 5100-5200 rpms. With 385 HP I would think you should be able to crack 70.
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Old 06-01-2005 | 10:12 AM
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Default Re: prop help

search on this site for darin at houston prop or julie of throttle up. They can rebuild (laboratory finish) your existing prop for less than cost of new and also dial in your rpm for better than new prop performance by balancing and machining your prop. even large gouges can be welded and machined to look like new.

i saw 1.5 mph increase and significant mid range accelleration improvement by getting my props lab finished. (twin engine 29' boat)
many see 2-3mph increases.

hope this helps
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Old 06-02-2005 | 08:56 AM
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Default Re: prop help

thanks for all your messages. i will be getting in contact with one of those prop shops. 70 mph would be nice
thanks andrew
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