Kingsford Smith PL.7

PL.7
Role	Agricultural aircraft
National origin	Australia
Manufacturer	Kingsford Smith Aviation Service
Designer	L Perrani
First flight	21 September 1956

The Kingsford Smith PL.7 was an Australian agricultural aircraft designed and built in the 1950s by Kingsford Smith Aviation Service.^[1]

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.^[1] It was an unequal span biplane with a tail unit supported by twin booms from the upper wings and a fixed tricycle landing gear.^[1]

Specifications

Data from ^[2]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 ft² (37.6 m²)
• Gross weight: 5000 lb (2268 kg)
• Powerplant: 1 × Armstrong Siddeley Cheetah X radial piston engine, 400 hp (298 kW)

Performance

• Cruise speed: 112 mph (180 km/h)

References

Notes

1. Orbis 1985, p. 2256
2. "The Australian Industry...". Flight. 23 August 1957. p. 278.

Bibliography

• The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). Orbis Publishing.