Kingsford Smith PL.7

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

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)

References

Bibliography

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