Mailing List lml@lancaironline.net Message #25785
From: <edechazal@comcast.net>
Sender: Marvin Kaye <marv@lancaironline.net>
Subject: Re: incidence difference
Date: Sun, 26 Sep 2004 09:48:43 -0400
To: <lml@lancaironline.net>
Guys - Slow down for a second.  Why are you finding out about alignment/incidence issues AFTER you put the plane in the air?  Did you build the plane?  Did you check incidence with proper wing jigs prior to close out?  Did you check your work with quality tools (bubble level is not good enough)?  Did the manual warn you about the importance of getting this right?  None of this was hard on my 360, there were lines marked on the outside ribs that you were to line up with the fuselage zero angle line.  I sweated until I got it within a tenth of a degree.  Not very hard.  Even after all that, I still had a heavy left wing, solved with a half turn on the flap push rod. 
 
I did not build a IV, but my 360 fast build did come with stern warnings about "make the left wing match the right wing".   Let's be clear that precision on the incidence angle of the wing is not critical (within reason), as long as both wings are the same and their relationship to the incidence of the horizontal stabilizer is correct. 
 
Regards,
Ed de Chazal
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