Mailing List lml@lancaironline.net Message #20408
From: <danobrien@cox.net>
Sender: Marvin Kaye <marv@lancaironline.net>
Subject: Dealing with the ES tail twist
Date: Thu, 11 Sep 2003 09:38:42 -0400
To: <lml>
I’m about ready to put my vertical stabilizer on my lower ES fuselage and am attempting to straighten the well-known tail twist.  The horizontal stabilizer is in place and is perfectly straight.  However, the back of the lower fuselage is twisted so that it leans 1.6 degrees to the left.  This twist cannot be removed without twisting the horizontal stabilizer with it.  I’ve decided that I’d rather not live with having the vertical stabilizer at 88.4 degrees to the horizontal stabilizer.  

My proposed fix is to cut the sternpost with a small kink at the top of the lower fuselage so that it runs 90 degrees to the H. stab in the upward direction.  The vertical stabilizer will then be at 90 degrees to the H. stab in the upward direction.    I would then use body work (maybe adding a couple of pieces of quarter inch foam) to fair in the back of the lower fuselage with the rest of the vertical stabilizer.  This would widen the back of the lower fuselage by a little less than half an inch.

Does this sound reasonable?  Any “gotchas” to watch out for?

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