Re: Detail of AAR 1937 boxcar
Anthony Thompson <thompson@...>
Phil Buchwald wrote:
Also, along with the discussion about single sheet vs multi-When welded, the roof has considerable stiffening in it due to all the seams and panels, quite different from the "single sheet of steel" mentioned earlier. An assembled steel roof is not that heavy, compared to other things which are manipulated in car building like underframes, and any shop that could build cars could certainly lift and install roofs.
My money is on several of the theories already presented inI think this is sound reasoning.
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