Mailing List lml@lancaironline.net Message #11107
From: Larry Henney <lhenney@dellepro.com>
Subject: Re: MK2 fast-build- Mac servo trim on rudder
Date: Mon, 24 Sep 2001 21:27:37 -0500
To: <lancair.list@olsusa.com>
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Albert,

In my opinion electric rudder trim for the LNC2 is completely excessive.
I've trimmed my slight cruise yaw by reducing the spring tension on one of
the four springs that keep the rudders leaning towards the firewall.  It's
centered ball cruise from 160 to 220 kts no problem.  For other combinations
of power and speed I use those units attached below my knees applying slight
pressure on the pedals.  By contrast I do however very much enjoy my MAC
servos on both roll and pitch (and my cool koolie hat on the stick).

Peaning to my Dad (of ancients) meant tap tap tap with a ball pean hammer.
This according to my Navy trailed super smart airframes guy is exactly
opposite from what you want (in fact causing work hardening of the rivets).
We drilled those out.  Therefore, a single heavy hammer whack is the
preferred technique.  It took alot of practice before achieving a rivet that
looked (and spec.ed) to those of squeeze perfection.  Also, we filled the
hollowed out rod end cups (I forget the name) with a hysol flox mixture to
help gaurantee no internal buckling of the rivet. Ok maybe two or three
whacks on a couple.  I made a few pushrods more than once as you might
imagine.

Larry Henney

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