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T-REX 500 › Check your torque tube!!
04-06-2009 03:43 AM  9 years agoPost 1
mikeangiulo

rrApprentice

Bellevue, WA - USA

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I was out flying my never been crashed 500 today. After a few hammering piros I lost my tail. I managed to hit the throttle hold and had a 'soft crash' (only needed the main shaft, feathering bar, flybar and blades). My tailboom had backed out just enough that the shaft drive was no longer engaged. I don't know how long I had been flying right on the edge as I'm sure I installed it properly the first time. The tube backed out at the main frame attachment. I thnik I'm going to put a scratch or a mark on the boom so I can pre-flight that it hasn't moved since the last flight. What a bummer!

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04-06-2009 04:01 AM  9 years agoPost 2
dave75d

rrKey Veteran

Jacksonville, FL

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ouch. the scratch method works well. this is another reason i like the belt drive so much. at least its a cheap fix.

ten grand in helis and all i can do is hover

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04-06-2009 04:53 AM  9 years agoPost 3
DVS

rrApprentice

California

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Pin your tailboom.
Drill a hole in the boom block and tailboom put a screw in just far enough that it doesn't touch the torque tube but holds the boom inplace.

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04-06-2009 05:12 AM  9 years agoPost 4
Russell Bear

rrApprentice

League City, Texas USA

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Pin your tailboom.
Drill a hole in the boom block and tailboom put a screw in just far enough that it doesn't touch the torque tube but holds the boom inplace.

Growing older is mandatory, Growing up is optional
+1, first mod I did after reading other horror stories.

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