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Date: Mon, 17 Sep 2007 18:22:49 -0400
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From: Bill Wade <dhc1@gwi.net>
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Subject: Re: [LML] Flap vs Aileron Edge in Level Cruise (LIVP)...Not Flush
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Jeffrey Liegner, MD wrote:
> I notice the aileron in neutral level position leaves a bit of exposed 
> flap edge (that is, they're not perfectly flush), suggesting the flaps 
> don't retract fully.  Needs to be studied.  In level cruise, I 
> indicate 189-192 KIAS at 100*F LOP.  I hear faster numbers in other 
> LIVP planes.
>
> What's your thoughts?  CHange the rigging, pull the flap up a bit more.
>
> Jeff L
Jeffrey-
            When you say the ailerons are neutral, are the outboard ends 
lined up with the wingtips and are they equal? It looks as though the LH 
flap may be lower than the RH. The difference may appear exaggerated by 
aileron deflection.
  My Navion was out of rig in that one flap was slightly lower than the 
other. The aileron on the side with the low flap had to be trimmed 
upward to compensate for the roll caused by the flap. Tracking straight 
also required opposite rudder to counter the drag from the opposed 
surfaces. Very draggy.
  -Bill Wade