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... that there is a tiny little hole, about 3 mm diameter, on the side of the tail boom clamp (on the tail drive gearbox, where the tail boom is held with 4 M3 screws).
The same hole is in the tail boom. But why?
The idea is to insert a hex key etc before tightening the screws. This prevents the tail boom from sliding in all the way, but leaves a fraction of a millimeter space.
It is important, because the torque tube may be a little bit too long, and the umbrella gears push against it. It causes friction and vibration.
Set up properly, the tail drive should move with almost no resistance at all, when the main gear is removed.
This applies to the 600 NSP. I haven't looked at the E yet.
The same hole is in the tail boom. But why?
The idea is to insert a hex key etc before tightening the screws. This prevents the tail boom from sliding in all the way, but leaves a fraction of a millimeter space.
It is important, because the torque tube may be a little bit too long, and the umbrella gears push against it. It causes friction and vibration.
Set up properly, the tail drive should move with almost no resistance at all, when the main gear is removed.
This applies to the 600 NSP. I haven't looked at the E yet.
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