On Apr 4, 9:35 am, wrote:
NACA ###?
More likely Culver ####.
Ah, here it is: Culver 18%:
http://www.ae.uiuc.edu/m-selig/ads/aircraft.html
More than likely, the 18% is the thickness (T/C), nice and deep to
keep the spar simple and cheap.
Who's Irv Culver? Just the guy who was at the center of the design of
some of the hottest airplanes of the 20th century. The guy who gave
Kelly Johnson's "Skunk Works (R)" its name.
http://www.ssa.org/myhome.asp?mbr=58...chive=9/1/1999
http://www.lockheedmartin.com/aerona...orks/name.html
Thanks, Bob K.