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Need help with the propeller for 1991 Fountain Fever 27
Dear All
I need a new propeller for my 1991 Fountain Fever 27, equipped with a standart 502 magnum carburated, 430 hp, and bravo 1 drive. Have now a 3 blade Mirage plus 23P, running 58mls at 4.600rpm. Want to change to a 4 blade with lap finish without loosing top speed. Can someone give me a good idea for this? Thank you! |
Originally Posted by OliverFever27
(Post 4859524)
Dear All
I need a new propeller for my 1991 Fountain Fever 27, equipped with a standart 502 magnum carburated and bravo 1. Have now a 3 blade Mirage plus 23P, running 58mls at 4.600rpm. Want to change to a 4 blade with lap finish without loosing top speed. Can someone give me a good idea for this? Thank you! Somebody more knowledgable than me is going to ask it, so... What's your outdrive gear ratio? Just to put it out there.... I'm running ~76MPH with a 28P Bravo 4 blade on my PowerQuest 280 with a ProCharged 496HO at ~5000RPM. Most other PQ280's I'm aware of, without the ProCharger, are running a 26P Bravo and are just shy of 70. You're getting decent speed at a reletively low RPM, which would indicate the engine is loaded up well, but the prop is pretty small. This leads me to believe your gear ratio is NOT a 1.5. Just speculating, though. Thanks. Brad. (937)545-8991 |
Dear Brad
As far as I know the gear ratio from bravo 1 at this time was 1,32 : 1 Thanks Oliver |
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