[rollei_list] Re: I'm back!

  • From: keith_w <keith_w@xxxxxxxxxxxxxx>
  • To: rollei_list@xxxxxxxxxxxxx
  • Date: Fri, 07 Jul 2006 03:05:52 -0700

Jerry Lehrer wrote:

Kieth,

WOW! Are you wrong!  The majority of commercial
aircraft, from the 707 to the 777 have their outer skins
on the wing, fuselage and empennage made of clad
aluminium.  Mostly clad one side, because the inner
surface is usually machined or chem-milled and protected
with a zinc chromate or phenolic primer.

Several years ago, I checked the skin panels of Air Force
One, the older 707.  All the cladding had been polished
or buffed away due to the regular shine-ups.

Jerry

Wow indeed!
I missed that one big time, didn't I!
In all my years in aerospace engineering, I never had anything at all to do with aircraft of any kind.
Not from an aircraft airframe design engineering standpoint, that is.
We put radars in them, we built emergency hydraulic pressure bottles, ran electric harnesses and microwave tubing here and there, but that's an installation problem. The platform was already there.
Never had a need for a clad aluminum!
There's so much to learn in this business, you frequently end up learning and applying that knowledge for what you need, and the rest of it just sort of exists...


Thanks for the heads up!
I appreciate the education...

keith whaley
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