[NSRCA-discussion] Trim changes

[Jay Marshall]

Some servo electronics could be temp sensitive. Measure the elevator on a
cold morning then warm it up slowly with a heat gun (carefully) and see if
anything moves.
 
-----Original Message-----
From: nsrca-discussion-bounces at lists.nsrca.org
[mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Brian
Billings
Sent: Wednesday, December 06, 2006 12:05 PM
To: nsrca-discussion at lists.nsrca.org
Subject: [NSRCA-discussion] Trim changes
 
I have been dealing with elevator trim changes on my D.E.P.S. installation
which has been worse with cold mornings and warm afternoons. Last night on
the way home from the field I got the idea of figuring out a way to take the
pot out of the servo and mounting it on the control surface, that way the
surface will always go to it's set position regardless of how much the fuse
has expanded or contracted. Anybody ever try this, I know it could be done
but is it practical? My worry is vibration, sealing the pot from the
elements, oil, keeping a clean signal with the long leads to the rear and a
positive connection from pot to surface. Is this a dumb Idea?
 
Brian  
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