REFLECTOR: Adjusting wing incidence

[Peter Braswell]

Scott,
DUH!  That makes total sense and I hadn't thought about this!  I think you
might be right because all this started off "square and level" and has
seemed to change in the last few weeks as everything has settled.  There is
a lot of weight aft, so twisting makes sense.

Thanks Scott!

Peter

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*"It's a Jungle Up There": www.zuluworks.com*
*Great Aviation Gear: www.sky-gadgets.com*
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On Wed, Sep 14, 2011 at 8:05 AM, Scott Baker <scottb33333 at gmail.com> wrote:

> **
> Peter,
> With only the lower strake in place, the center section spar will twist
> with the unsupported weight of the wings attached.  You many not have a
> problem at all.  Be sure to support to the trailing edge of the wings to
> relieve stress on the cc spar.
> Scott B
>
> ----- Original Message -----
> *From:* Peter Braswell <peter.braswell at gmail.com>
> *To:* Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
> *Sent:* Wednesday, September 14, 2011 6:56 AM
> *Subject:* REFLECTOR: Adjusting wing incidence
>
> All,
> After attaching my lower strake and comparing the angle between the strake
> and wing, things didn't look right.
>
> After going back and verifying the right measurements off the spar to get
> the strake aligned properly (they were correct) I remeasured the incidence
> of the wings.  With the firewall 90 degrees, the right wing was off level
> about 1.1 degrees.  The left wing about the same.
>
> Though not a tragedy, I'm puzzled.  This seems like a lot to be off with
> the wings bolted directly to the spar.  Is this common?
>
> At any rate, I understand adjustments can be made by shimming out the wing
> attach bolts.  I was wondering how folks are doing this?  Washers seem the
> most obvious, but maneuvering them in there might be tricky.  Was wondering
> if anybody has fabricated a bushing out of aluminum tubing or something
> similar to act as a stand-off, whether that's safe and if so, what material
> should be used (aluminum, steel, ???) or should I stick with washers?
>
> TIA,
> Peter
>
> ------------------------------------------------------------------------
> *"It's a Jungle Up There": www.zuluworks.com*
> *Great Aviation Gear: www.sky-gadgets.com*
> ------------------------------------------------------------------------
>
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