The Kingsford Smith PL.7 was an Australian agricultural aircraft designed by Luigi Pellarini and built in the 1950s by Kingsford Smith Aviation Service.

Design and development

The PL.7 was basically a welded steel tank for the pilot and chemical hopper, on the front was mounted a 400 hp (298 kW) Armstrong Siddeley Cheetah X radial engine. It was an unequal span biplane with a tail unit supported by twin booms from the upper wings and a fixed tricycle landing gear.

Specifications

Data from Flight

General characteristics

  • Crew: 1
  • Length: 24 ft 6 in (7.47 m)
  • Wingspan: 40 ft 10 in (12.2 m)
  • Height: 12 ft 0 in (3.66 m)
  • Wing area: 405 sq ft (37.6 m2)
  • Gross weight: 5,000 lb (2,268 kg)
  • Powerplant: 1 × Armstrong Siddeley Cheetah X radial piston engine , 400 hp (298 kW)

Performance

  • Cruise speed: 112 mph (180 km/h, 97 kn)

Notes

Bibliography