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Old Jan 06, 2011, 11:03 AM
FC flux'd
Katch's Avatar
Joined Jan 2007
537 Posts
Question
What could be causing this behaviour in my MCX

I've rebuilt and repaired a trashed MCX I picked up of eBay and I've got it flying pretty well now. I am however having a little difficulty getting it nicely trimmed for a stable hover.

If you imagine holding a weight on a bit of string and then gently swing it in a circle (like those kooky fortune tellers do). This is the motion my Heli makes when hovering; a kind of circular sway.

Any ideas what might be to blame or how to trim it out - my MCX2 literally hovers on the spot.
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Old Jan 06, 2011, 11:29 AM
Registered User
Canada, AB, Edmonton
Joined May 2008
2,574 Posts
That's called TBE (toilet bowl effect) and a google will find tons of info on what it is and how to fix it.
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Old Jan 06, 2011, 01:12 PM
Air, Ground & Water
freechip's Avatar
Canada, ON, Rockland
Joined Aug 2008
24,658 Posts
Check you're FLYBAR
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Old Jan 06, 2011, 05:53 PM
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Joined Aug 2008
106 Posts
Try this link (I hope it works), this guy gives a fairly detailed description of symptoms and fixes. Good luck.

http://www.rchelicopterfun.com/toilet-bowl-effect.html

Mike
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