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

Bad luck, suggestions please

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Old 01-28-2005, 12:03 PM
  #1  
dean320
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Default Bad luck, suggestions please

I am speed plane challenged. I am actually a pretty good pilot, but I have crashed a Whiplash, Magmun, Viper and Sonic in the quest for speed. I decided to make one more attempt so I bought a second Sonic and a new Jett 50 to try one last time. I flew this plane a few times without incident, but the plane is just not doing anything for me. I am ready to give up but I have this Jett 50 with about 5 flights that I do not know what do to with. I thought of selling the engine, but I know I am not going to get what I feel is reasonable for having so few flights. I thought of putting it in an F20 but having bad luck with previous speed planes (specifically the Whiplash and Magnum), am leary. I thought of a warbird or "regular" plane but the planes I have looked at are either way to expensive (non quickee pylon planes) or will not handle the speed this engine can produce.

I am not out for ultimate speed, just something that will fly well with a fair amount of speed.

Any ideas?
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Old 01-28-2005, 12:27 PM
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Cyclic Hardover
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Default RE: Bad luck, suggestions please

Diamond Dust? There a cheap build.
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Old 01-28-2005, 12:33 PM
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dean320
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Default RE: Bad luck, suggestions please

I thought of the Diamond Dust, but based on how my whiplash and magnum crashed, I am hesitant about the dd, as well as the F20. Both the whiplash and magnum launched well, no rolls or problems. But when I banked them to turn, both headed very fast for the ground. I am sure it was either too little speed, or too tight a turn, but I am still a little leary of any plane that will handle similarly.
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Old 01-28-2005, 01:48 PM
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Default RE: Bad luck, suggestions please

Dean,

when the weather gets above 45 deg (sometime in ........um........ July ... the way it looks now??) lets get together. You only live an hour - 90 min at most - from here. Maybe I can help out a bit.

The Jett 50 on any Q-500 should be exceeding 140mph. Should be good and smooth too. The sonic has an older wing design, but it should still allow for some degree of skidmark in your shorts Although that should be more of an expression of satisfaction, rather than pure terror.

From what a few folks have told me, the SJ-50 and Kankge F-20 has prooven to be a good combination.

Bob
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Old 01-28-2005, 03:11 PM
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Razor-RCU
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Default RE: Bad luck, suggestions please

Sounds like speed is not for you... That engine is wasted on anything not "speedy", sell it and buy a 4 stroke for a Warbird-
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Old 01-28-2005, 04:33 PM
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Default RE: Bad luck, suggestions please

I'd go with the F-20....they fly like pattern planes....no "snappy crap".
The F-20 will get you 120 or so, without brain damage.

FBD.
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Old 01-28-2005, 04:42 PM
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Default RE: Bad luck, suggestions please

you may need to back up a bit and slow down a little too.
Also have a friend, who has expierence in hand launching, toss your belly landers into flight

my first speed plane was a Skat Cat it had an old OS 25,
then a TT pro 25
then an OS.46 FX
a Direct connection Dodger(?) V-tailed OS.46FX & tuned pipe and wore out the 46FX.

for hand launched planes I start with a SIG Wonder OS .15 FP
next was Wonder OS .25FP with a .40FP carb and modified muffler.
Soon came a lanier shrike .10 with OS.25 FP with a .40FP carb and modified muffler.
next was SIG Wonder kit-bashed with TWO OS .15 FP
Now waiting for warm weather Wonder OS .25 FX dual rudders

now I fly: Magnum with a Sport Jett .50
2 Whiplashs with Jett Fire.50 & Sport Jett .50

Bob
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Old 01-28-2005, 07:29 PM
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Default RE: Bad luck, suggestions please

Sound like your planes are to nose heavey, My friend mag. did the same thing.
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Old 01-28-2005, 09:11 PM
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Default RE: Bad luck, suggestions please

If you don't pay attention to detail, especially about the planes' set up, a speed plane will be a nightmare. The planes you mentioned are heavier and take more skill to fly than a 2.5 pound DD. If you can't handle a DD with a hot .32, then I would take RAZORs' advice.
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Old 01-28-2005, 10:32 PM
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dean320
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Default RE: Bad luck, suggestions please

Thanks a lot for all the input, but I think I am a lost cause with speed planes so I just put the engine on Ebay.

Thanks to everyone who replied.
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Old 01-28-2005, 10:42 PM
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ossie
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Default RE: Bad luck, suggestions please

ORIGINAL: dean320

I am speed plane challenged. I am actually a pretty good pilot, but I have crashed a Whiplash, Magmun, Viper and Sonic in the quest for speed.

Any ideas?

Yep, ebay is a good choice.............
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Old 01-29-2005, 12:21 PM
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Default RE: Bad luck, suggestions please

Dean,

Inviatation is still always open for some idea sharing along the way.

Bob
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Old 01-29-2005, 02:14 PM
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combatpigg
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Default RE: Bad luck, suggestions please

At the speeds we're talking about, a plane doesn't need much of a warp, CG or incidence problem to fly like a stinking pile of poop. To compound the situation the pilot needs to understand that he needs dual rates [and know how to use it] to be able to go from low speed[launch] to high speed and back to low again[landing approach]. At least while learning. Many of the ARF planes that I have examined are not built straight enough to just slap together and go out and fly. You don't even need a ruler or angle finder to see the flaws, just take the time to take a step back for a real good look! A lot of guys give this stuff up on account of"bad luck" but actually you can make your own luck by being careful, precise, and willing to put in the time to make sure that everything is as it should be.
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Old 01-29-2005, 04:54 PM
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Default RE: Bad luck, suggestions please

I say go with a Diamond Dust and a nice hot .32...

I can truly say that if you take care when building, covering and setting up (straight) that the DD is one of the best flying planes out there. The DD just goes where you point it, period. If you point it in the wrong direction of course...[X(]

My 2.5 pound, Webra .32 powered (with Jettstream muffler) Diamond Dust was one of the most fun to fly planes I have had in a long while... and I can assure you that it flies infinitely much better than Magnums and the likes. I could keep my DD at almost a 90° bank, with full up elevator and full throttle all day long... it would just sit there flying the tightest circles and it needed only VERY minor aileron inputs to keep it at the same altitude.

The same goes for Q500 type planes. When built straight and true they fly like on rails.

EVERY warped plane will turn into a nightmare at speed. There's no way around it.

If you cannot handle a .32 powered DD after some practice... then maybe speed isn't your thing.
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