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Old 09-25-2017, 05:48 PM
czechsix's Avatar
czechsix czechsix is online now
Join Date: Mar 2006
Location: Spring Hill, KS
Posts: 278

Originally Posted by rvbuilder2002 View Post
.020 " free play at the the trailing edge is totally fine.
I've examined the trim tabs on several RVs with the mechanical push/pull cable control system and I was surprised how much play they's been years now since I looked at one, but I want to say the TE of the tabs had something like 1/4" of play, maybe more. I remember thinking they could be at risk for flutter, but there are a lot of older RV's flying around like that and I've never heard of it being an issue on any of them.

So yeah, .020 is probably a long way from having anything to worry about.
Mark Navratil
Spring Hill, KS
RV-8A N2D #80583 - built/flew/sold
RV-14A #140017 - wings complete, empacone in progress...
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Old 09-30-2017, 02:10 PM
brad walton brad walton is offline
Join Date: Jul 2007
Location: Cypress, TX
Posts: 486

After reading this post and living with a 1/16 th inch play at the trailing edge for a long time, I fabricated a clevis pin with no play. Flew today for the first time since making the modification and noticed a difference in the plane holding altitude as opposed to hunting. Very pleasant to fly hands off, rudder only and not have any significant altitude excursions
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