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07-15-2006, 12:59 PM #1
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- Jan 2006
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- 691
Finally tested a tweaked 15/20R prop in my ski
Last night i tested this prop in my moded stage II + RXT, to resume my testing if you own a big and heavy 3 seater ski like mine please DON'T WASTE YOUR TIME AND MONEY with this prop, the ski was a complete DOG from the hole the midrange power was TERRIBLE and i lose almost 2 MPH in the top end vs the Impros repitched 14/20, my best top end speed was only 71.5 MPH @ 8000 peak rpm's with the glove box in and 8050 with the glove box out, i would only recomend this taller prop to people with a MONSTER engine like Jay (Red Devil) otherwise keep away from her.
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07-15-2006, 01:17 PM #2
I thought everyone using the 15/20 had an RXP I do not see how it would work on an RXT.
JMHO
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07-15-2006, 01:44 PM #3
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- Dec 2005
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- 467
our scotts performance level 1 06 rxt in may ran 70.7 on gps with a 14/19 solas at 8180rpms. call us up if you need help. 804-794-9142 Scott's performance in richmond va.
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07-15-2006, 02:45 PM #4
Originally Posted by beachboy66
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07-15-2006, 05:05 PM #5
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Originally Posted by 1 FAST VE
Last edited by GPR/STX-15F/RXT; 07-15-2006 at 06:10 PM.
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07-15-2006, 05:24 PM #6
Originally Posted by GPR/STX-15F/RXT
And man do I love that 15/20...
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07-15-2006, 05:33 PM #7
- Join Date
- Dec 2005
- Posts
- 467
Level 1 from Scotts performance
14/19 SOLAS
HIS OWN CUSTOM AIR INTAKE
2.5degree pump wedge
and power pipe from Rotax racing
and a good rider that knows how to get speed out of the boat
We have built a couple of these boats and they fly
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07-15-2006, 05:57 PM #8
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- Jan 2006
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prop test
Originally Posted by beachboy66
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07-15-2006, 06:45 PM #9
- Join Date
- Jun 2006
- Location
- toronto
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- 965
15/20
Guys,
99.9% of the boats on the water cannot handle these props. Who ever said you need monster power to run a 15/20 is right. Basically full Stage III's need this prop for red-line reasons. The boats that can turn this prop have huge low-end torque and massive power all along acceleration curve. If the boat can push it though they are said to be a wonderful investment.
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07-15-2006, 10:41 PM #10
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- Jan 2006
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- Rydal, Georgia U S A
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I had one with the old ecu and ran it at 8400 in 4 -1 hr. races with 20 ski's chasing me the whole way
You do not need monster power. Take 50thou. out of the leading edge... DO NOT do much to the tail.
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