View Single Post
Old 2nd June 2014, 12:03 AM   #6
carvesalot
Member
 
Join Date: Nov 2006
Location: Niobrara
Posts: 109
Default

my caculations on known //published fin area are 5--7% off, close enough.

I just measure 5cm apart lines from top to bottom , add up the lengths, then divide by 2.
__________________
good winds
carvesalot is offline   Reply With Quote