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Maule 3A23 Super STOL Rocket

First built: 1962.

3A23
Engine: Lycoming IO-540-W1A5D, 235 hp.
TBO: 2000 hrs.
Prop: Hartzell 2-blade, 78-in.
Seats: 4.
Length: 23.5 ft.
Height: 6.3 ft.
Wingspan: 33.2 ft.
Wing area: 165 sq.ft.
Wing aspect ratio: 6.6.
Maximum ramp weight: 2500 lbs.
Maximum takeoff weight: 2500 lbs.
Standard empty weight: 1400 lbs.
Maximum useful load: 1100 lbs.
Maximum landing weight: 2500 lbs.
Wing loading: 15.1 lbs/sq.ft.
Power loading: 10.6 lbs/hp.
Maximum usable fuel: 414 lbs.
Best rate of climb: 1250 @ 78 kts.
Climb gradient: 961 ft/nm.
ROC @ 8000 ft: 800 fpm.
Service ceiling: 20,000 ft.
Maximum speed: 148 kts.
Normal cruise @ 65% pwr @ 8000 ft: 134 kts.
Fuel flow @ normal cruise: 72 pph.
Endurance at normal cruise: 5.5 hrs:
Stalling speed clean: 44 kts.
Stalling speed flaps down: 38 kts.
Turbulent-air penetration speed: 109 kts.
Fixed tail wheel under  carriage.

 

 


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