Re: Roll Trim


chris rayner <chris-rayner@...>
 

OK thanks everyone who could help with some advice. When you're new to these planes (or anything) it's not easy to tell what's significant and what's not. That's why it's good to have a bunch of guys who have been there and know what is and what isn't. So my unknown issue doesn't seem to be much of a problem and I'll probably live with it, but at least I can now make an informed decision. Tomorrow I hope to carry out post first flight checks and some more taxying - if weather's OK.
Incidentally (Richard) I have instructions for fitting the roll trim turnbuckle and it says "right control rod" which is crossed out and "left" inserted. I think the only difference is that if you use the right rod, the adjustment is not "intuitive" as you rotate the knurled knob left to roll right and vice versa. Which causes the control arms to run out of movement first is probably more to do with exactly how it was built/trimmed in the first place. Mine needs about 1/2" left down elevator to trim for one (heavyish at I guess 200lbs) pilot. I think this is more than some might find, but based on the advice I received, I won't change anything till flight tests are completed.
Chris Rayner

----- Original Message -----
From: Jon Finley
To: Q-LIST@...
Sent: Wednesday, December 27, 2006 8:30 PM
Subject: RE: [Q-LIST] Roll Trim


I just went and checked mine. Yes, the stick position moves as I turn the
elevator turnbuckle. I've never noticed this in-flight and don't believe
that it is an issue.

Jon

-----Original Message-----
From: Q-LIST@... [mailto:Q-LIST@...]On Behalf Of
shoskins@...
Sent: Wednesday, December 27, 2006 10:23 AM
To: Q-LIST@...
Subject: Re: [Q-LIST] Roll Trim

Chris, sounds normal to me. I have mine on the right control rod. I think
that
makes it work toward a safer system. If I have heavy loads on the right, I
adjust the right turnbuckle so it shortens the rod length. If you have the
adjustable rod on the left, adjusting it for heavier loads will lengthen the
push rod, towards separation.

I haven't really paid attention to whether or not the stick changes
position.
So to me at least, it's no big deal.
Sam



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