REFLECTOR: Update on left roll tendency

[Ron N VelocityXLFG]

I had a similar issue and found the trim motor wire had broke so the 
trim was stuck to the right.
Very simple fix but went though all sorts of ideas on what could be wrong.

Ron


On 8/27/2012 11:36 AM, Richard J. Gentil wrote:
> 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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