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3 blade or 4 blade props for a 29 scarab w/ twins?

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3 blade or 4 blade props for a 29 scarab w/ twins?

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Old 07-24-2013 | 08:10 AM
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Default 3 blade or 4 blade props for a 29 scarab w/ twins?

Hey Guys, I'm new to the 29 Scarab but not new to performance boating. My ,new to me, 29 has the stock 350 mag MPI's spinning a pair of Mirage Plus 21's, from what I have read, the boat should have 23's, either way, I was wondering if anyone was running the bravo 1 props on this setup. Like maybe a set of Bravo1 22's. I'm more interested in increasing the cruise performance more than the top end. Just curious what the numbers are and if it is worth making the switch. Thanks

Last edited by espeed; 07-24-2013 at 10:39 AM.
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Old 07-25-2013 | 10:36 AM
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Originally Posted by espeed
Hey Guys, I'm new to the 29 Scarab but not new to performance boating. My ,new to me, 29 has the stock 350 mag MPI's spinning a pair of Mirage Plus 21's, from what I have read, the boat should have 23's, either way, I was wondering if anyone was running the bravo 1 props on this setup. Like maybe a set of Bravo1 22's. I'm more interested in increasing the cruise performance more than the top end. Just curious what the numbers are and if it is worth making the switch. Thanks
The deep v's like the large diameter 3 blades like mirage plus for speed. I ran a test set of rev'4's on my 29, they were great for hole shot and overall cruise speeds improved, but the top end did suffer, not as bad as I thought though. I noticed more porpoising running the rev4's while cruising, as they did not carry the bow as well as the big three blade, a little tab got rid of it. As much as I liked them, I stuck with the three blades for the overall top end, and lack of porpoising

I honestly was surprised that the rev4 did not carry the bow as well as I expected, I was told that the lift the bow as well if not better then the mirage plus. The only thing i came up with is that because it did lift the stern more as well, the drives were not as deep in the water as the boat was designed, and the prop was blowing out. I know the rev4 is a good all around prop, but maybe the older heavy straight v's with deep drives just doent let it perform the way it should.

Last edited by MEANGREEN231; 07-25-2013 at 10:55 AM.
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