Re: roll trim, pitch trim

[jpv@vbe.com]

Bob Ginsberg wrote:
> 
> FWIW,
> 
> I use the roll trim typically once or twice each flight.  Just enough to
> null out passsengers, baggage (if any) and uneven fuel loading.  You may
> remember from discussions of old that many fuel systems drain one tank
> more before the other, for what ever reasons.
> 
> Also, I have alot of friction in my stick, on purpose, so when I move it
> a little from neutral, it tends to stay there.  This, of course, is
> greater than the roll trim, but less precise.  So I tend to use both
> during flight.
> 
> Overall, a little roll trim is helpful, and I wouldn't want it to be
> ground adjustable as I never seem to know ahead what is going to be
> today's status.
> 
> Also, I have an extra washer under the left wing to correct for gross
> differences from side to side.
> 
> As for the pitch spring.  I have, at times, really pulled back hard on
> that thing.  I mean really hard, such that I can barely hold it there for
> a length of time.  This, of course, makes that stall condition nearly
> impossible to maintain for any length of time.  The spring shows no signs
> of wear at the last annual (Feb).
> 
> Lastly, a pair of giant "chip clips" works great to prevent rudders
> flapping in the breeze.
> 
> One more thing.  I finally decided, after getting mad and stirring up the
> doooo myself, that the factory's shortcomings is just "part of the
> challenge" of building a homebuilt.  If you knew what David Jackson went
> through (kit number 12 I believe), you would be amazed, and he has
> hundreds of hours on his now.
> 
> Hope this all helps.
> --
> Bob Ginsberg - Velocity N173BG - Big Ape Gyms
I've been flying my Velocity for 2 years and have adjusted the trim 2-3
times. A simple fix for slippage is rosin on the string. See your local
violinist.
John Vukos Std Elite RG N21BV