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Home✈️Aircraft🚁HelicopterThunder TigerOther › collective failure
07-22-2006 03:45 AM  14 years ago
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Bart B

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chicago illinois

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collective failure
If the collective on my rappy 30 fails in idle-up,(i.e.broken link)which way should the arm go pos or neg?I'm trying to figure out what happened.
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07-22-2006 04:12 AM  14 years ago
AMainMaker

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Nappanee,IN

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my guess would be negative. With the weight of the swash pushing toward the frames
Jason
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07-22-2006 04:49 AM  14 years ago
the collective

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Bayside, NY, U.S.A

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It would depend on the blades more than anything else. A set of blades with a forward chordwise CG would tend to go toward 0 pitch, a set of blades with a rearward chordwise CG would tend to go further away from 0 pitch in whichever direction they happen to be in when the linkage fails.
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07-22-2006 08:01 PM  14 years ago
AlanR8

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High Crompton, Manchester. UK

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If a ball/link/servo/gyro/motor fails you're in a world of pain whichever way you look at it!

Why bother analysing the outcome? Just do what you can do to rescue the situation.
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07-22-2006 10:38 PM  14 years ago
dragonlord

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luton uk

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i can tell you what hapend to mine when it failed.

well the spleen on the servo failed and horn came off

it fell out of the air and rolled on to its heavyest side ie the side the tail pipe is on.
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07-23-2006 12:37 AM  14 years ago
Yug

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UK. Herts

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If you loose either elevator or aileron input, you can get lucky by doing a continuous pirouette and use the aileron or elevator to trimout while landing. If you loose collective, you're pretty much stuffed Vegetable rights and Peace
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