Short Valetta

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S.11 Valetta
Short Valetta.jpg
Role Passenger monoplane
National origin United Kingdom
Manufacturer Short Brothers
First flight 21 May 1930
Number built 1

The Short S.11 Valetta was a 1930s British passenger monoplane designed and built by Short Brothers at Rochester.

Development[edit]

The Valetta was designed and built for the Air Ministry to enable comparisons between a floatplane/landplane and a flying boat. The Valetta was a monoplane powered by three Bristol Jupiter XIF engines and first flown on 21 May 1930 as a floatplane. It had room for two crew and 16 passengers. In July 1931 it left Rochester on an African survey flight flown by Sir Alan Cobham, it returned to Rochester in September 1931 after flying 12,300 miles. The aircraft last flew as a floatplane in November 1931 and was converted to a landplane. It then underwent trials with Imperial Airways and the Air Ministry before being withdrawn from use and used by the Royal Air Force as an instructional aircraft at RAF Halton.

Short Valetta (Floatplane)[edit]

Data from Jackson, A.J.[1] and Flight[2]

General characteristics

  • Crew: two
  • Capacity: 16 passengers
  • Length: 70 ft 5 in (21.47 m)
  • Wingspan: 107 ft 0 in (32.62 m)
  • Width: 27 ft 0 in (8.23 m)
  • Height: 14 ft 0 in (4.28 m)
  • Wing area: 1382 ft2 (128.39 m2)
  • Empty weight: 14535 lb (6593 kg)
  • Gross weight: 22400 lb (10180 kg)
  • Powerplant: 3 × Bristol Jupiter XIF, 525 hp (392 kW) each each

Performance

  • Maximum speed: 135 mph (217 km/h)
  • Cruise speed: 105-110 mph (168-177 km/h)
  • Range: 520 miles (835 km)
  • Service ceiling: 16000 ft (4877 m)
  • Rate of climb: 850 ft/min (4.32 m/s)

Short Valetta (landplane)[edit]

Data from Jackson, A.J.[1] and Flight[2]

General characteristics

  • Crew: two
  • Capacity: 16 passengers
  • Length: 70 ft 5 in (21.47 m)
  • Wingspan: 107 ft 0 in (32.62 m)
  • Width: 27 ft 0 in (8.23 m)
  • Height: 14 ft 0 in (4.28 m)
  • Wing area: 1382 ft2 (128.39 m2)
  • Empty weight: 14535 lb (6593 kg)
  • Gross weight: 21850 lb (9940 kg)
  • Powerplant: 3 × Bristol Jupiter XIF, 525 hp (392 kW) each each

Performance

  • Maximum speed: 138 mph (222 km/h)
  • Cruise speed: 105-110 mph (168-177 km/h)
  • Range: 520 miles (835 km)
  • Service ceiling: 14800 ft (4511 m)
  • Rate of climb: 880 ft/min (4.47 m/s)

See also[edit]

Related lists

References[edit]

  1. ^ a b Jackson, A.J. (1974). British Civil Aircraft since 1919 Volume 3. London: Putnam. ISBN 0-370-10014-X. 
  2. ^ a b "The Short "Valetta"". Flight. Vol. XXII. No. 30. (No. 1126): 826–830. 25 July 1930. Retrieved 6 February 2017. 

External links[edit]