>So, just chewing on this one a bit.... take your rib # 5 at 9.4 mm crown... >that gives a rib length of 1163.291262 mm for an 18 meter radius. With a >segment angle of 3.7 degrees that gives an arc length of 1163.49380 mm yeilding >a difference of 0.2025412 mm or roughly 0.008 inches.... no ?? Looks right... and? Ron N
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