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Old Mar 29, 2013, 01:15 AM
Exploroman is offline
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Canada, ON, Ottawa
Joined Feb 2012
432 Posts
BeastX on 450, Tail Wag

Hi guys,
I've seen a few posts on this problem but just kind of dwindled off. Hoping someone has some info to help. Sorry if this is redundant.
  1. I have a Trex 450 FBL and I'm running the BeastX. I just updated the firmware to 3.0.12. and I'm getting tail wag that I can't seem to get rid of.
  2. Radio Gyro setting is set to "G" on the beast.
  3. Pot 3 is dialled at about the 1-1:30 position.
  4. New tail assembly with new tail blade grips & grip bearings.
  5. New main shaft and main shaft bearings.
  6. New Belt (the orange one).
  7. Tail servo is Futaba S9650
  8. Tail servo center position pulse length 1520 us
  9. Tail servo frequency 333Hz.
  10. Beast is mounted on 3M outdoor mounting tape on the heli and on the Beast and 3M rubber foam pad sandwiched between the two outdoor mounting tapes. (Pretty sure very little vibes are getting through; plus the servo wires are free and unrestricted by about a an inch from the Beast; pretty sure vibes are low) {The tail wag is the same when I used the 3M outdoor mounting tape alone.}

Anyone got any advice?
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Old Mar 29, 2013, 04:45 AM
ridge_racer is offline
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United States, NY, New York
Joined Nov 2010
2,620 Posts
Try the inner most hole on the servo arm.
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