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.

NA-75
Role Agricultural aircraft
Manufacturer American Airmotive
Number built >200

Specifications

Data from Jane's All The World's Aircraft 1965-66[1]

General characteristics

  • Crew: 1
  • Capacity:
    • 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)

Performance

  • 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)

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gollark: Well, the forcefield should get him anyway.
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References
  1. 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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