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Thread: 28 Trophy - additional vents?
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08-20-2019, 07:52 PM #1Team Member
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28 Trophy - additional vents?
Allison SS2000 with Gen 2 200XS, 1.75 gears
Hole shot is great with 24 Drag 4 and stock 26 Trophy. It was slow to 2000 rpm with the Trophy until I pulled the vents and the ring sealing the hub to the bullet.
I have a 28 Trophy. It ran great when I had a 225 Promax. So far it's my fastest prop with my 200XS, but even with nothing plugged it's slow to 2000 rpm. Would more venting help it slip a bit?
I have a 28 Hydromotive T4X that is much better off idle. And the T4X may run as fast, I just haven't tried raising the lift with the T4X.
More work on the Trophy or sell it?
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09-08-2019, 09:31 PM #26000 RPM
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2000 is just above high idle? why is rpm under 2000 important at all? im barely moving at 1500 with a trophy. im confused i guess...
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09-09-2019, 06:58 AM #3
I drilled a 3/8 hole above my original vents, helped tremendously but I also have cut exhaust tuner so not much coming out the prop.
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09-09-2019, 10:54 AM #4Screaming And Flying!
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promax had 1.87 to 1 gears vs the 1.75's you have now...That would make a difference, especially when planing out.
83 V-King, 96 Mariner, 200 hp ff block 2.5 w/a 28p choppa
We gotta clean this liberal mess up, VOTE TRUMP TO MAGA!
Rebuild thread:
http://www.screamandfly.com/showthre...-it&highlight=
http://www.screamandfly.com/showthre...cs.&highlight=
Videos
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09-09-2019, 07:11 PM #5Team Member
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1.75 gears, 700 rpm idle, exhaust vents in the snout adds up to over hub props work better. I ran a 28 Hoss Triton today and it planed fine. 87 mph with the jackplate as low as it will go, 90 raised about 3/16. Hardly any steering at speed. Maybe I will sell the 28 Trophy.
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09-09-2019, 07:53 PM #66000 RPM
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i went out today also, did 80 with a scorpion, exactly same as trophy, both 6500 rpm same engine height. 25tropy, 24 scorp. i have 0 steering at w.o.t. have 1 more prop to try, an over-hub worked 3 blade. i noticed some play now in my hyd steering.
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09-09-2019, 08:01 PM #76000 RPM
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09-10-2019, 06:29 AM #8Team Member
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93 with the Trophy. The motor was pretty high on the jackplate. Steve Smith worked the Trophy for me when I had a 225 Promax and it was always a fast prop. 90 with the Hoss at a more conservative engine height is enough if I'm smart.
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09-10-2019, 01:41 PM #96000 RPM
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09-19-2019, 07:31 AM #105000 RPM
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I can't tell if you guys are talking about a 4 blade Trophy Plus, or regular trophy.
So far best I've done is 91.7 with my 28" Trophy Plus. That was into the wind and not necessarily maxed out, so probably some more to be had with it.
Just got a new 28" Eagle 4 delivered, hopefully be able to compare them soon.
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09-19-2019, 07:34 PM #11Team Member
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I have two Trophy props. My 26 Trophy might be a Plus. It has more cup than my 28. Or maybe Steve took out some cup when he tuned the 28 for my SS2000. I think the 26 is stock. Neither was advertised as a Plus when purchased. Both are flow torque and small hub.
https://www.screamandfly.com/showthr...phy-Plus-props
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09-19-2019, 07:37 PM #125000 RPM
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3 or 4 blade?
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09-20-2019, 08:08 AM #13
When I had my 28 trophy worked by DAH they told me they prefered to work the 27 as it is a different prop and much better to make run. I said really they look identical but they said no they are not. Take their word for it. I dont see it but they know much more than me.
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09-20-2019, 08:30 AM #145000 RPM
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09-20-2019, 10:10 AM #15
All Mercury Trophys are 4 blade unless you sling one
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