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Initial performance data for the J3 Cub.

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david 2002-08-31 20:19:16 +00:00
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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