Skylark (rocket)
Skylark was a British sounding rocket design. The Skylark was first launched in 1957 from Woomera, Australia and its 441st and final launch took place from Esrange, Sweden on 2 May 2005.
The design first dates to 1955, when initial work was carried out by the Royal Aircraft Establishment at Farnborough and the Rocket Propulsion Establishment at Westcott. The first vehicles were ready less than two years later, and sent for testing to Woomera during the International Geophysical Year. Skylarks were built in some numbers into the 1970s, until the UK government decided to end the programme in 1977, thinking that future "low weight" research would be carried out on the Space Shuttle instead. The programme was handed to British Aerospace, who later sold it to Matra Marconi Space, who in 1999 in turn sold it to a small private company, Sounding Rocket Services, based in Bristol.
The basic Skylark is 7.6 metres (25 ft) long, 0.44 metres (17 in) in diameter and has a fin span of 0.96 metres (38 in). Booster stages can increase the height to 12.8 metres (42 ft). The original version was propelled by 840 kilograms (1,900 lb) of solid fuel, which enabled 45 kilograms (99 lb) to be launched to an altitude of over 200 kilometres (120 mi). Improvements were made to the engine and the use of a booster increased the payload to 200 kilograms (440 lb) in 1960. Skylark 12, from 1976, could lift 200 kilograms (440 lb) to 575 kilometres (357 mi) altitude.
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