T-Rex 800E rotor disintegrating - Page 2 - RCCanada - Canada Radio Controlled Hobby Forum
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Old 11-24-2015, 04:23 PM   #11
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I am: Colin B
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Re: T-Rex 800E rotor disintegrating

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Using longer bolts may interfere with the thrust bearing, which will not allow the arm to pull tight against the grip, and could damage the bearing. Just a heads up to make sure it does not bind up before you go flying.

Clean threads with a bit of red loc-tite and moderate torque will hold them in well. I have thousands of flights on various DFC heads and have only ever ripped those out in a crash.

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Old 12-04-2015, 08:11 AM   #12
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Re: T-Rex 800E rotor disintegrating

@Colin: I have carefully checked if there is any binding with the longer screws. It's no problem at all.
Are you sure that red Loctite should be used for those screws? That would make it difficult to take the rotor arms off should it ever become necessary. I always use Loctite 242 (blue) and haven't had any problems with loose screws yet.
I have thousands of flights on various DFC heads and have only ever ripped those out in a crash.
Well... I'm not 100% sure that the ripped out screws caused the crash. They might as well be a result of the crash, maybe something else caused it. I did see a part flying away though and the helicopter immediately became uncontrollable. I'll never know for sure what it was.
Anyway, she's repaired and flies like a charm again. And with that said, I shall go outside and fly
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Rotor head , t-rex 800e

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