Friday, March 6, 2020

EXI 450 Tail Wag Update

I once again tackled the tail wag on the EXI 450. I have tightened up everything, still wagging.



Installed the all metal Tarot 450 Tail Slide. I found the it needed offsets between the arms and the blade control arms. An M2 lock nut fit the bill perfectly.



Changed the tail servo control arm to a smaller wheel, to decrease the mechanical advantage, to see if that will decrease the wag.



Reset the end points and have a pretty good range despite the small mechanical advantage.



It was dark and cold by the time I finished, so it will need to wait a few days.



I ordered a better tail servo to replace the cheap Emax 9257 I have on there now. I picked up  KST 215MG froem Amainhobbies and will install it when it arrives.

UPDATE 3/10/2020: Decreasing the mechanical advantage did the trick. There is virtually no wag now at 33% gain. Good enough for me! Not sure I will swap out the servo.


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