Extreme Speed Prop Planes Discuss the need for speed with fast prop planes (Screamin Demon, Diamond Dust, Shrikes or any REAL sound breakin'''' plane)

Props for a .35 Dub Jett

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Old 03-22-2011, 01:07 PM
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foosball_movie
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Default Props for a .35 Dub Jett

Wondering if anyone knows which props a .35 Dub Jett engine is capable of turning to give the most speed.

Can it turn a 8x8 or 8x9? Or should it stick with a 9x7 or 8x7?

Thanks.
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Old 03-22-2011, 05:26 PM
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Default RE: Props for a .35 Dub Jett

Which 35 do you have. i have the FIRE with a tuned pipe. i run a APC 8x7 on it at around 21,500 on the ground. unloads about 1,500-2,000 in the air on my airframe. I would think that you want it over 16,000 if its a side exhaust version on red pipe so that would rule out the 9x7 or bigger props.
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Old 03-22-2011, 05:50 PM
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Default RE: Props for a .35 Dub Jett

I ordered a BSE .35 R/C with side muffler.

Hoping to hit around 130mph.
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Old 03-22-2011, 06:00 PM
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Default RE: Props for a .35 Dub Jett

A piped OS.32 turns a APC 8x8 at 18,000 rpm which puts it near 130 mph in every plane I've had it in.
The Jett .35 must be able to do better than that...?
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Old 03-23-2011, 09:09 AM
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Default RE: Props for a .35 Dub Jett

I think it would do better than 18,000 for sure thinking 19,500 or so. i will have to run one to see. two Jetts best engines are the 35 and the 56

Here is a video of my Jett 35. I didnt know i was being filmed this time. Never do what i did and run up the engine while in the prop arc.

http://www.youtube.com/watch?v=jYFfBags08M
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Old 03-23-2011, 09:14 AM
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Default RE: Props for a .35 Dub Jett

So from these previous posts, it should be able to turn an 8x8 or 8x9 prop no problem.
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Old 03-23-2011, 09:33 AM
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Default RE: Props for a .35 Dub Jett

yeah the side exhaust one for sure. mine was set up with a bit more timing for the "real" tuned pipe. i dont think you would want to lug it down to much though. stay with the 8x8 just have to fly it and see then try the 8x9.

By the way what plane you putting it on?
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Old 03-23-2011, 10:08 AM
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Default RE: Props for a .35 Dub Jett

I love my .35, one of my favorites, but I run the untuned "lite" muffler in a fun fly type plane, I think I'm using a 9x4 prop and it just screams.
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Old 03-23-2011, 12:15 PM
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Default RE: Props for a .35 Dub Jett

I'll be putting it on a Sig Wonder:

[link=http://www.rcuniverse.com/forum/m_6065999/mpage_1/key_/tm.htm]Sig Wonder Build From a few years ago.[/link]

I'm building a new one. Just waiting for the engine to arrive. The exhaust is a lot longer on the Jett engine, so I'm not sure how I'll mount it yet. I had an OS .25 FX on it previously and clocked it at about 118mph.

I like that LR1 plane. Know where I can find one?
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Old 03-23-2011, 12:50 PM
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Default RE: Props for a .35 Dub Jett

For the wonder i think i would stay with a 8x8 to 9x6
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