Looking for the smallest diameter that a solid fiberglass or graphite rod can make?
Follow this discussion:
http://www.kitebuilder.com/forums/viewtopic.php?p=39938
Or reference this chart:
http://www.kitebuilder.com/techsheets/solidstiffness.htm
Rough guide to hardward spars:
http://www.kitebuilder.com/forums/viewtopic.php?t=391
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