Message-ID: <3A5A7452.694BC42C@optonline.net>
Date: Mon, 08 Jan 2001 21:15:46 -0500
From: Adam Molny <amolny@optonline.net>
To: lancair.list@olsusa.com
Subject: Alternate method for rudder trim
References: <20010108055659.AAA20849@ns1.olsusa.com>
Reply-To: lancair.list@olsusa.com
Mime-Version: 1.0

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With all the talk about rudder trim methods, I thought it was time to
toss another log on the fire. I can't remember where I read this, but I
believe it was in a past issue of Sport Aviation.

You can make a fixed wedge type tab which does not protrude past the end
of the rudder. The wedge is a piece of wood or other suitable material,
about 6 inches long and the cross section is a long, narrow triangle.
The sides of the triangle are about 2 inches, and the base is about 1/2
inch. You mount it with the pointed end forward, and the base of the
triangle flush with the aft edge of the rudder.

Adjustment of this fixed trim tab is done by trial-and-error flight
testing. Temporarily glue the tab on the appropriate side of the rudder.
You vary the tab's effect by increasing or decreasing it's length,
and/or using a fatter triangle.

Once you have determined size and shape you need, you attach the tab
permanently and paint it to match the airplane. The finished part
shouldn't weigh more than a few ounces, so (hopefully) it won't cause
any flutter problems. 

The advantages are that the whole setup is fairly inconspicuous, and it
won't get bent out of shape accidentally if someone grabs or bumps into
it.

Adam Molny
Legacy kit #62
(estimated kit delivery June/July 2001)
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