Help: Question about feather shaft

[Leisure]

Hi everyone,

I just repaired my trex after a crash and noticed that the flybar isn't exactly perpendicular to the feathering shaft when viewed from the top. I have checked that all shafts are straight so I'm a bit puzzled why this is so

Is this normal or have I missed something?

Thanks!

[Adrianli]

mine also like that leh.

Juz fly only, still track striaght as normal also.

[awesome]

the plastic head might have warped from the crash.

[w_kby]

Check that you have assembled the Flybar cage (flybar control set) correctly.

Each of the linkage has different length on both sides and must be fitted in the correct orientation. If you fix them wrongly, you will have this problem.

It should be at 90 degree to the blades. I will try to post a photo later.

hOpE This HelPs

[nato]

The stock plastic hub will twist easily in a crash. Just observe the mould line on the side of the hub and you will see it no longer straight.

[w_kby]

If you look closely at the assembly diagram, you will notice that the location of the ball link is not at the centre of the rod. There is a longer side and a shorter side. You must ensure that it is to be fitted so that the longer side faces the shorter side.

Difficult to explain but please study the photo below. If you fitted both on the same length side, then the flybar will be slanted when you view from the top (like your photo). I think this might be your problem especially if your rotor head parts are all ok.





Please let me know it this has help you, thanks

[w_kby]

Nato is right about the plastic hub which could be a real possibility. When it is twisted, it is not easily visible.

The stock plastic hub will twist easily in a crash. Just observe the mould line on the side of the hub and you will see it no longer straight.

[Leisure]

Thanks for the input guys!

Found that the problem was caused by a warped head as nato and awesome suggested. Kudos also to w_kby also for the detailed explanation about the flybar cage.

Happy flying!