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The Lockspeiser LDA-01 ("Land Development Aircraft") was a British seven-tenths scale research and development tandem wing aircraft,[1] which was designed and built by test pilot and engineer David Lockspeiser[2] to prove a concept for a low-cost utility transport.

LDA-01
Role Experimental utility transport
National origin United Kingdom
Manufacturer Lockspeiser
Designer David Lockspeiser
First flight 24 August 1971
Status Destroyed
Number built 1

Design and development


The LDA-01 was a single-seat tandem-wing monoplane, fabric covered with metal construction. The foreplane had a common design to the separately-made port and starboard wings of the main plane, giving it half the area. The intention was to reduce the number of spare parts needed by re-using the same wing component interchangeably in each location.[3] The main wings were mounted at the rear-end of the box structure fuselage and the fore wing was attached underneath the front. The fuselage was fitted initially with a four-wheeled landing gear and was designed to be fitted with a detachable payload container to allow easy conversion between roles. The landing gear was changed later in development to a more conventional tricycle configuration. It was powered by a rear-mounted pusher engine. The LDA-01 G-AVOR first flew on 24 August 1971 at Wisley in Surrey, under the power of an 85 hp (63 kW) Continental C85 piston engine, but was later refitted with a more powerful Lycoming O-320 engine.

The aircraft (which by this time had been re-registered G-UTIL), and had been renamed the Boxer 500, was being modified to planned production configuration by Brooklands Aerospace at Old Sarum Airfield when it was destroyed in a fire on 16 January 1987.[4][5][6]


Specifications (LDA-01)


Data from ,[7] British Civil Aircraft since 1919,[8] Jane's All The World's Aircraft 1976–77.[9]

General characteristics

Performance


References


  1. "Flight International report" (PDF), Flight International: 673, 24 April 1975
  2. "Lockspeiser, David". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/odnb/9780198614128.013.108830. (Subscription or UK public library membership required.)
  3. Lockspeiser, David (9 September 1971). "Aerial Land Rover". Flight International: 404–405. Retrieved 23 April 2017.
  4. "GINFO Search Results, G-AVOR". CAA. Retrieved 7 January 2008.
  5. "GINFO Search Results, G-UTIL". CAA. Retrieved 7 January 2008.
  6. Walters, Brian (August 1991). "LDA – Phoenix or dead duck?". Air International. 41 (2): 71–72. ISSN 0306-5634.
  7. Taylor, John W.R., ed. (1975). Jane's all the world's aircraft, 1975–76 (66th annual ed.). New York: Franklin Watts Inc. ISBN 978-0531032503.
  8. Jackson, A.J. (1974). British civil aircraft 1919–1972 Vol.3 (2nd ed.). London: Putnam. p. 259. ISBN 0-370-10014-X.
  9. Taylor, John W. R., ed. (1976). Jane's all the World's Aircraft 1976–77. London: Jane's Yearbooks. p. 190. ISBN 0-3540-0538-3.


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Локспейсер ЛДА-01 (Lockspeiser LDA-01; LDA — аббревиатура от «Land Development Aircraft») — британский экспериментальный самолёт схемы «утка» с толкающим винтом.


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