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Author Topic: Epic 21 prop comparison  (Read 1213 times)

Capt Rick

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Epic 21 prop comparison
« on: October 30, 2006, 01:00:47 am »
Air Temperature   Mid 80s      
Boat Model   EPIC 21      
         
Prop   Top RPM   Top Mph   Time to Plane
O.J. - 4 BLADE 13X13   5646   46.5   3.5
DYMEX - 3 BLADE 12X13   6167   39.9   3.5
DYMEX - 3 BLADE 13X13   6127   43.2   3.2
O.J. - 4 BLADE 13X13 (MODIFIED)   5932   46.7   2.6
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blindside

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Re: Epic 21 prop comparison
« Reply #1 on: October 30, 2006, 14:24:25 pm »
Hmm, what mods did the modified OJ 4 blade consist of?  Much faster time to plane.
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Brent
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eagle1wi

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Re: Epic 21 prop comparison
« Reply #2 on: November 02, 2006, 14:56:59 pm »
So the "modified" is much faster to plane, no loss in MPH, and is at a "good" rpm.

Please Capt. tell us more.


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Epic 21 - Red

Capt Rick

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Re: Epic 21 prop comparison
« Reply #3 on: November 05, 2006, 01:09:31 am »
I just found one of the tests so I posted it!. I would be pulling the answer out of my A--. So I would think it was a med cup.
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