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Old 01-20-2009, 03:18 AM   #1
dgcyf
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Default Xtremecomposite makes me very unhappy!

Hi ,
Has anyone flew the Xtremecomposite 44% Edge540 before? The following were the photos of two Xtremecomposite 44% Edge540. The first one's wing was broken in the air after a 180 degree turn followed an accelerating level flight. Xtremecomposite compensated a new 44% Edge540 to me. For the second one, I did a 180 turn and then followed an accelerating level flight again, the wing broke in the air too. Both plane had very short life, less than 5 take-offs and landings. Everybody, what do you guys reckon?
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Old 01-20-2009, 03:34 AM   #2
Howie
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Default Re: Xtremecomposite makes me very unhappy!

What servos were fitted to the ailerons?
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Old 01-20-2009, 05:05 AM   #3
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Default Re: Xtremecomposite makes me very unhappy!

I have had a 35% for a long time - one of the best ever - but the big one - well maybe they tried to make it to light???

talk to them direct !!!only
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Old 01-20-2009, 05:06 AM   #4
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Default Re: Xtremecomposite makes me very unhappy!

i have one,,,,,flies good.


what servos and how many in each wing? what control horns? ball joints? power box? looks to me like a classic case of aileron flutter.
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Last edited by aerowiz; 01-20-2009 at 05:26 AM. Reason: just koz
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Old 01-20-2009, 08:16 AM   #5
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Default Re: Xtremecomposite makes me very unhappy!

servo for aileron :JR 8911 X 2 each

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Old 01-20-2009, 10:15 AM   #6
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Default Re: Xtremecomposite makes me very unhappy!

To me it looks like flutter in the aileron
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Old 01-20-2009, 10:22 AM   #7
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Default Re: Xtremecomposite makes me very unhappy!

Regardless.....OUCH
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Old 01-20-2009, 10:38 AM   #8
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Default Re: Xtremecomposite makes me very unhappy!

I know this is a pretty big bird....so i was just wondering , when you did your 180 degree turn , about where in the throttle we're you? Was it pretty high speed? Not that it should matter that much , as it should have held together no matter what , just curious. I'm sorry for BOTH your loses. Hopefully they will get you taken care of. Honestly , i think i would be using a different airframe from them , or a different brand. That can get expensive considering all the other equipment that can get damaged as well.
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Old 01-20-2009, 10:41 AM   #9
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Default Re: Xtremecomposite makes me very unhappy!

Where were the servos placed on the wing?
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Old 01-20-2009, 11:07 AM   #10
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Default Re: Xtremecomposite makes me very unhappy!

Something to do with the engine vibrations, servos/aileron resonant frequency? Looked like plenty of glue.

It would be interesting to see pic's of the servo linkage geometry...if you have any.
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Old 01-20-2009, 03:41 PM   #11
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Default Re: Xtremecomposite makes me very unhappy!

Ouch that sucks, I had/have the 33% Edge and flew the pants off of it - no problems there. Sorry you went through losing both planes.
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Old 01-20-2009, 04:32 PM   #12
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Default Re: Xtremecomposite makes me very unhappy!

was the fuse vented in the rear to let the pressure out? how big are the holes into the wings for the wires to exit. a couple of pictures look look like the wing opened up. did they build up with pressure and peel open? one of my flying buddies has this plane and it is a beast and rock solid.
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