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Tail rotor driving belt - 450 SE: How often?

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Tail rotor driving belt - 450 SE: How often?

Old 11-18-2006, 07:00 AM
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Default Tail rotor driving belt - 450 SE: How often?

While checking after a mild hard landing (?), I found nothing damaged. But rotor spins erratically, a kind of stop and go as if battery was getting too low. I looked through again and found that the driving belt was derailed off the tail rotor pulley. I fixed but it kept derailing.

So I took the tail boom off and checked the belt. It was almost broken with only a rubber part keeping the belt intact. Finally I replaced with a new belt and everything was okay as normal. I was wondering if my hard landing caused this belt problem or the belt caused my hard landing.

I flew it about an hour all together, just hovering and flying around. No 3D or anything hard maneuvering.

My question is how often do you replace the belt?

I also have to say that replacing eh belt was a bit painful job as the whole tail rotor driving mechanism needed to be disassembled and reassembled..

Anyway, Have a nice weekend...
Old 11-18-2006, 08:31 AM
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Default RE: Tail rotor driving belt - 450 SE: How often?

I averaged about 6 flights per belt till I realized I was running it too tight, I backed off the tension and the last one lasted till I sold it.

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