As a follow up to my method of mounting And adjusting my trim tab: 

The double sided 3M tape I used is their 444 tape.  To adjust the angle of my 
trim tab, it could simply be removed by using dental floss under the edge of 
the tab and floss it right off the aileron. However, I didn’t remove mine to 
adjust it. I took two pieces of aluminum bar and clamped one over the taped 
section of the trim tab and one on top to secure the trailing edge. I then 
proceed to bend the tab by hand as needed. It may take a couple of flights to 
find the cruise sweet spot on the trim tab. This worked great for me but as 
Flesner always says. “Your results may vary”. 
 
Mark Jones
Oldsmar, Fl

N771MJ  “WunderBird”
www.flykr2s.com
flyk...@gmail.com



>> On May 18, 2020, at 10:15 AM, Mark Langford via KRnet <krnet@list.krnet.org> 
>> wrote:
> Mark Jones wrote:
> 
> >> I too had this style trim tab on my aileron. The way I mounted mine was 
> >> with 3M double sided tape and I put over 500 hours flight time on it and 
> >> it never loosened up. Mounting it this way is just another way to reduce a 
> >> little drag.  <<
> 
> I mounted mine with screws because bending the aluminum while mounted could 
> damage the trailing edge of the control surface.  I guess if you used .010" 
> aluminum sheet that would probably work though, but then I'd worry about 
> flutter (I'm not happy if I'm not worried about something). With screws I can 
> remove it in half a minute, measure it, bend it on the brake, and reinstall 
> without damaging anything.    That's getting it dialed in to start with, but 
> a prop change later can also require another adjustment.  With N891JF, tiny 
> drag contributors are not something I worry about, and I'm not sure how 
> sturdy these trailing edges were constructed....
> 
> Mark Langford
> m...@n56ml.com
> http://www.n56ml.com
> 
> 
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