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Monospar ST-25
Type
Manufacturer General Aircraft Ltd, Hanworth
Maiden flight 19 June 1935
Number built 60

The General Aircraft Monospar ST-25 was a small British twin-engine civil aircraft of the 1930s. An aerospace manufacturer is a company or individual involved in the various aspects of designing building testing selling and maintaining Aircraft, Aircraft parts General Aircraft Limited was a British aircraft manufacturer from its formation in 1931 to amalgamation with Blackburn Aircraft in 1949 to become Blackburn and The maiden flight of an Aircraft is the first occasion on which an aircraft leaves the ground of its own accord Events 1179 - The Norwegian Battle of Kalvskinnet outside Nidaros. Year 1935 ( MCMXXXV) was a Common year starting on Tuesday (link will display full calendar of the Gregorian calendar.

Contents

Design and development

The ST-25 was a low wing cantilever monoplane with a fabric covered metal structure. The monospar name came from the use of a single spar in the wing structure which had been developed by H J Stieger. In Sailing, a spar is also know as a round pole of wood or Metal used on a Sailing ship. The cabin was enclosed with five seats.

The last surviving Monospar, ZK-AFF of Peit Van Asch's New Zealand Aerial Mapping was lost in 1986 as a result of a hangar fire. [1]

GAL. 41

The GAL. 41 was an experimental aircraft based on the Monospar ST-25 Universal. A new fuselage was built containing a pressurized section with two seats. The GAL. 41 was to test possible presuurization systems for their proposed airliner, the GAL. 40. The GAL. 41 flew for the first time 11 May 1939 and was grounded in 1941. Events 330 - Byzantium is renamed ''Nova Roma'' during a dedication ceremony but is more popularly referred to as Constantinople Year 1939 ( MCMXXXIX) was a Common year starting on Sunday (link will display the full calendar of the Gregorian calendar. [2]

Variants

ST-25 Jubilee

30 built

ST-25 De Luxe

1 built by converting a Jubilee

ST-25 Universal

From 1937 Twin fin and twin rudder. 29 built including the conversion of the De Luxe.

Operators

Flag of New Zealand New Zealand

Specifications (Jubilee)

General characteristics

Performance


References

  1. ^ NZ Aerial Mapping
  2. ^ http://www.jaapteeuwen.com/ww2aircraft/html%20pages/GENERAL%20AIRCRAFT%20GAL41.htm British Aircraft of WW2 accessed 17 July 2007]

See also

Related development General Aircraft GAL.41

New Zealand is an Island country in the south-western Pacific Ocean comprising two main landmasses (the North Island and the South Island The Royal New Zealand Air Force ( RNZAF) is the air arm of the New Zealand Defence Force. The wingspan (or just span) of an airplane or a Bird, is the distance from the left wingtip to the right wingtip The Pobjoy Niagara was a British 7-cylinder air-cooled radial, aero-engine first produced in 1934 with an unusual offset-from-center propshaft due to In Aviation, V-speeds or Velocity-speeds are standard terms used to define Airspeeds important or useful to the operation of Aircraft, such The maximal total range is the distance an Aircraft can fly between Takeoff and Landing, as limited by fuel capacity in powered aircraft or cross-country In Aeronautics, a ceiling is the maximum Density altitude an aircraft can reach under a set of conditions In Aerodynamics, the rate of climb RoC is the speed at which an Aircraft increases its Altitude. The General Aircraft Monospar ST-25 was a small British twin-engine civil aircraft of the 1930s
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