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Home✈️Aircraft🚁HelicopterHenseleit 3DNT - Rocket - 3DMP › 3DNT tail belt reversing
01-15-2006 11:15 PM  13 years ago
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duc996bp

rrApprentice

Preston, UK

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3DNT tail belt reversing
Was flying my 3DNT today and after the flight I noticed the tail belt had reversed at the tail end. i.e the teeth were on the outside and the smoth side of the belt against the pulley. It was ok at the front pulley.

Has this happened to anyone?

John
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01-16-2006 12:18 AM  13 years ago
rotor- shark

rrVeteran

uk

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hasn't happened to me,surely the bearings should stop that from happening,that's what they're there for.all comments are my opinion only!
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01-16-2006 10:49 AM  13 years ago
duc996bp

rrApprentice

Preston, UK

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Exactly, that is why I am a bit puzzled
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01-20-2006 10:17 AM  13 years ago
duc996bp

rrApprentice

Preston, UK

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I have found out that Jan had brought out a modified bearing that stops the belt at the rear flipping over. It does not mount on the vertical tail fin but on the gearbox case.

The problem with the bearing mounted on the fin is that the fin can flex which would allow the bearing to move away from the belt.

It is only suitable if you have the 16-teeth pulley.

John
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01-26-2006 10:59 AM  13 years ago
Bonkers

rrApprentice

New York

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You'll need more than just the 16 tooth pulley........
You'll also need the 16-tooth tail belt drive gear that attaches to the steel pinion.
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