REFLECTOR: Update on left roll tendency

[Richard J. Gentil]

If you put an additional 220lbs in the plane I recommend under the rear seat as close to the center of gravity as possible. I would not want to be close to the forward edge of the CG envelope this early in the test flying. 

Richard. 

Sent from my iPhone 4 Classic

On Aug 27, 2012, at 12:28 PM, Clayton Chase <chasec at gmail.com> wrote:

> Have you tried putting 220lb in the other side of the aircraft to see
> if that straightens the flight out?   It's a cheap and easy test to
> see if the asymmetrical weight is causing the roll.
> 
> On Mon, Aug 27, 2012 at 9:08 AM, Geoff Gerhardt
> <geoff.gerhardt at gmail.com> wrote:
>> All,
>> 
>> I talked to Scott Swing at Velocity regarding my left roll tendency.  His
>> advice was to improve the roll trim and gave a few suggestions.  One thing
>> he reminded me of is that my large, 220lb ass is the only one in the plane
>> (my words, not his).  That alone will introduce a left roll tendency that a
>> weak roll trim system may not trim out.
>> 
>> I have not touched the roll trim system since doing a rather cursory
>> install.  After installing it, when I adjust the roll trim, it has little to
>> no effect on the aileron position.  It moves the string and the springs a
>> bit, but doesn't impart much force on the bell crank.  My theory was that I
>> wanted to get the plane so that on a calm day, it would fly essentially
>> straight with little stick pressure needed.  Then, I'd improve the roll trim
>> as necessary.  I was not accounting for the need for roll trim due to the
>> loading asymmetry of one large pilot.
>> 
>> So, this all may be much adieu about nothing.  I will improve my roll trim
>> and see if that solves the issue.
>> 
>> Thanks again for all the suggestions.  I'll let you know how an improved
>> roll trim helps.
>> 
>> Geoff
>> 
>> 
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