Anthony Thompson <thompson@...>
Schuyler Larrabee wrote:
Expansion and contraction, a significant dimension over a 40' car, is absorbed by the individualSchuyler is right, and the idea doesn't require separated panels; the segments and their ribs can all contribute to local expansion, even if the roof is welded. OTOH, stamping an entire roof is a pretty big die and a pretty big press, for no real gain that I can see.
Tony Thompson Editor, Signature Press, Berkeley, CA
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