solid fiberglass solid graphite
Spar Diameter" Minimum Circle Diameter" Minimum Circle Diameter"
0.02 * 1.5
0.03 * 2.0
0.04 3.5 4.5
0.05 6.0 7.0
0.06 7.0 8.5
0.07 7.5 10.0
0.08 9.0 11.0
0.09 9.5 16.0
0.11 10.0 *
0.12 13.0 *
maximum comfortable bend on a  24" spar maximum comfortable bend on a 48" spar
end to end" center deflection" end to end" center deflection"
RSF15 18.0 7.0 14.0 19.5
RSF18 22.0 4.5 18.0 19.0
RSF25 23.0 3.0 25.0 18.0
RSF33 24.0 2.0 32.0 16.0
RSG11 19.0 6.0 14.0 20.0
RSG12 20.0 5.5 16.0 19.0
RSG14 22.0 4.0 18.0 19.5
RSG15 23.0 3.0 22.0 18.5
RSG18 24.0 1.5 25.0 18.0