Bill Rewey told me that the aviation grade is stiffer (different
alloy?) then Hardware grade. When used on the leading edge of the
wing, shrinking the covering will bend the softer grade more, changing
the airfoil shape between each rib and possibly the performance of the
wing. Then, again, didn't Bernard use cardboard "Oatmeal" boxes?
On Nov 18, 2009, at 1:52 PM, hvandervoo@aol.com wrote:
> What's that Oscar, building a spam can ?
>
> I have bought and rolled upto .040 with out a problem.
>
> But did not buy from Aircraft spruce, I got my stuff local.
>
> Try Trident metals (Houston and Austin locations) they carry
> aircraft grade aluminum, including mill certification.
> Pick it up yourself, with sales tax still much less than Aircraft
> spruce, Wicks or Airparts
>
> Good luck
>
> Hans
> NX15KV
>
>
> -----Original Message-----
> From: Oscar Zuniga <taildrags@hotmail.com>
> To: Pietenpol List <pietenpol-list@matronics.com>
> Sent: Wed, Nov 18, 2009 10:11 am
> Subject: shipping aluminum sheet
>
> >
>
>
> Aircraft Spruce and others indicate that 4'x12' sheets
> of aluminum up to about .030" can be shipped as one
> piece by rolling and boxing. They caution that they
> don't guarantee that the heavier gauge material will
> unroll completely flat when shipped this way. Has
> anyone ordered sheet stock that was shipped rolled
> this way, and what was your experience with it?
>
> Oscar Zuniga
> Air Camper NX41CC
> San Antonio, TX
> mailto: taildrags@hotmail.com
> website at http://www.flysquirrel.net
>
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