Gene,
I moved my wing back a total of 4". I had already planned to move it back
2-1/2" but the final weight and balance indicated another 1-1/2" was
necessary. When I did the sheet metal around the cabanes I left some slop
in the holes to allow some movement. It doesn't take much. One inch of
movement at the top of the cabanes only requires about 1/16" at the bottom.
My advice would be to move the cabanes as far aft as you think you would
need, then cut the hole about 1/8" bigger than that. You can keep it pretty
tight to the strut. Cutting it after the fact is not that hard (I had to do
a little cutting) but putting the metal back if you cut the hole too big is
farily difficult.
One word of caution - Make the holes no bigger than than need to be (with
that 1/8" gap mentioned above). Apart from looking better with the cowling
fitting fairly tightly around the struts, the bigger the hole the more rain
water you will get in. Some water will get in anyway, because the holes
have to be big enough to allow access to the bolts holding the strut to the
fuselage.
Jack Phillips
NX899JP
Raleigh, NC
_____
From: owner-pietenpol-list-server@matronics.com
[mailto:owner-pietenpol-list-server@matronics.com] On Behalf Of Gene Rambo
Sent: Sunday, March 07, 2010 10:47 AM
To: pietenpol-list@matronics.com
Subject: wing placement
For those of you already flying, how many of you have had to move your wing
fore/aft after the first flights? If not, what extra precautions did you
take to make sure that you had the strut and roll wire holes in the correct
locations?
I am making sheet metal, and I am wondering what I can do to make sure that
I get the locations correct the first time and not have to remake sheet
metal if I have to move the wing.
Gene
