LCT Paintball wrote:
Round is very strong. The only way you could improve on a simple
round tube
for strength would be to add material in the direction that you
needed more
strength, and take away material where the strength wasn't needed.


Yep they're called box beams, or torsion beams for those
who like an extra sylable. Hollow beams are a very weight-
efficient approach to construction. In monocoque design
the entire fuselage and/or wing is designed as a box
beam.

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FF