Maule 3A23 Super STOL RocketFirst built: 1962. 3A23Engine: 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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