Jerry Lehrer wrote:
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.
Thanks for the heads up! I appreciate the education...
keith whaley --- Rollei List
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