PIPER J3 CUB PERFORMANCE DATA
=============================

These are the only numbers I could find.  They are for a J3 Cub with
an 85HP engine rather than 65 hp, so some adjustments may be
necessary.  The source is

  http://www.evergreenfs.com/planedata.htm


Speeds
------
  Best rate of climb (Vy):   65 mph (57 kt)
  Best angle of climb (Vx):  55 mph (48 kt)
  Cruise:                    70 mph (61 kt)
  Never-exceed (Vne):       122 mph (106 kt)
  Best Glide (Vglide):       60 mph (52 kt)
  Stall (Vs):                38 mph (33 kt)
  Maneuvering (Va):          70 mph (61 kt)
  Approach:               50-60 mph (44-52 kt)

Power
-----
  Take off:                  full
  Climb:                     50 rpm below full
  Cruise:                    2300 rpm
  Approach:                  1200 rpm
  Practice stalls:           1200 rpm

Distances
---------
  Take-off:                  450-800 ft
  Landing:                   200-800 ft

Fuel
----
  Total fuel:                12 gal US
  Usable fuel:               12 gal US
  Grade:                     80/87
  GPH:                       5 gal US/hr