[NSRCA-discussion] Rudder pull-pull

[J N Hiller]

Chris:
I am using cables on both the rudder and elevators and would recommend not
mixing wheels and arms or using wheels of different diameters or arms of
different lengths. If the geometry on both ends isn't the same the cables
will either tighten or slacken when moving off center. As for which is
better. Wheels retain the same contact point, 90 degrees to the servo center
and hinge line throughout the travel (better) but arms are easy and
acceptable. Equal arms connected with cables or solid links amounts to
parallel linkage.
My thoughts on the matter!
Jim Hiller

-----Original Message-----
From: nsrca-discussion-bounces at lists.nsrca.org
[mailto:nsrca-discussion-bounces at lists.nsrca.org]On Behalf Of chris moon
Sent: Friday, May 09, 2008 6:13 AM
To: nsrca-discussion at lists.nsrca.org
Subject: [NSRCA-discussion] Rudder pull-pull

Can someone explain the benefits (real or otherwise) of the pull-pull
wheel type rudder servo arm vs. a regular servo arm? Is there some real
benefit, or is it bling?
Thanks

Chris


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