NAVWEPS 00-SOT-80  BASIC AERODYNAMICS  p-----y  S= WING AREA, SO. FT.  b= SPAN, FT  c = AVERAGE CHORD, FT  AR = ASPECT RATIO  AR = b/c  AR= b:s  I  b  ----_I  CR = ROOT CHORO, FT  Ct = TIP CHORD, FT  x = TAPER RATIO  A= SWEEP ANGLE, DEGREES  MAC : MEAN AERODYNAMIC CHORD, FT.  Figure 1.28. Description of Wing Planform  61 