Wow! That is interesting Tony. I will have to think about that.
Saves a bit of weight for sure. It would be really trick if
you went up on the size like the Aussies do. I'll have to check
the modulas of elasticity and the coef. of thermal expansion.
Might be the cat's meow.

Paul Lamar
Paul, Machinery's Handbook says: Steel COE 6.3 x 10^-6,
Aluminum (grade not specified) 1.2 x 10^-5,
Titainum 4.9 x 10^-6. All per unit per degree F
Bill Jepson

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