Thorp Air Command - T18.net

Just to start another thread, I offer a picture of my extremely complex, ground adjustable, rudder trim system:




This is a picture of the rudder return springs looking up and forward at the bottom of the back side of the firewall, floor removed. This method is better than adjusting the turnbuckles as they are really hard to reach and re-safety for each adjustment.

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Bob Highley
N711SH
SN 835
KLAL

Funny story, when I first got n55rc the owner had just repainted it. The trim tab on the rudder was bent a lot but still needed more. I noticed that the springs looked different. One was a little lighter than the other. I swapped them and was able to "massage" the tab to pretty much in trail. Haven't changed it since.

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Matt Smith
Des Moines, IA
55RC

Dagburnit Bob, you always come up with this complicated stuff!! how in the world do you expect us to operate that very complex rudder trim system!! And it has to be done when the Bird is on the ground not moving, Iced tea in hand, wrenches handy and the music playing I don't know Bob yer just gonna have to slow down here a bit so us all can fathem these complicated systems that you dream up ( that's a good idea and I will bet it works great) I will just try to get myself up to speed for your next system that you sink hours of thought and effort into......................Dan

I "adjusted" my rudder springs years ago during my test flights. I have to hold a little right rudder during climbs, but otherwise it's just right - no trim tab.

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John Evens
Arvada, Colorado
T-18 N71JE (sold)
Kitfox 7 SS N27JE