On Wed, 27 Jul 2016 18:10:00 +0000, John Doe wrote:
"Sandwich-structured composites" (see refs) are one way to build a light
but stiff panel or beam. Some pieces I've tested are stiffer than steel
or aluminum beams weighing ten times as much. You may be able to buy 2'x4'
aluminum honeycomb-core panels online or if you live near an aircraft
factory can get cutoffs that would be large enough. If you have any fab
skills you could make a beam with steel, aluminum, fiberglass, kevlar, or
carbon fiber skins over balsa core.
<https://en.wikipedia.org/wiki/Sandwich-structured_composite <http://www.compositesworld.com/articles/mass-reduction-for-mass-appeal-frps-and-cmcs-in-rvs <http://www.fibeco.com/home/composites/ <https://groups.google.com/forum /#!topic/rctankcombat/SoC-E8ZmTfY> <https://www.chiefdelphi.com/forums/archive/index.php/t-61259.html
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