fwiw, my boards extend approx. 21" below the case, and have a chord of about 11 1/2", and are approx. 3/4" thick (that's an eyeball measurement).

It appears to be NACA 0006


Last edited by pgp; 02/20/13 11:58 AM.
Pete Pollard
Blade 702

'When you have a lot of things to do, it's best to get your nap out of the way first.