American Airmotive NA-75
The American Airmotive NA-75 was an agricultural aircraft marketed in the United States in the 1960s, created by remanufacturing military surplus Boeing Stearman trainers. The aircraft were fitted with completely new, high-lift wings, and one of the cockpits was replaced by a chemical hopper. As of 1980, over 200 Stearmans had been modified in this way, either by American Airmotive directly, or via conversion kits that the company sold.
Data from Jane's All The World's Aircraft 1965-66
- Crew: 1
- 31.7 cu ft (0.90 m3) hopper
- >2,000 lb (910 kg) payload
- Length: 24 ft 9 in (7.54 m)
- Upper wingspan: 33 ft 0 1⁄2 in (10.071 m)
- Lower wingspan: 29 ft 5 in (8.97 m)
- Wing area: 338.26 sq ft (31.425 m2)
- Airfoil: Gottingen 398
- Max takeoff weight: 4,612 lb (2,092 kg)
- Powerplant: 1 × Pratt & Whitney R-985 radial engine, 450 hp (340 kW)
- Stall speed: 55 mph (89 km/h, 48 kn) with 1,250 lb (570 kg) payload
- Rate of climb: 1,100 ft/min (5.6 m/s)
- Taylor 1965, p.178.
- Taylor, John W. R. (1965). Jane's All The World's Aircraft 1965-66. London: Sampson Low, Marston & Company.
- Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 58.
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