Armstrong Siddeley ASA.1 Adder
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The Armstrong Siddeley ASA.1 Adder was an early British
turbojet The turbojet is an airbreathing jet engine which is typically used in aircraft. It consists of a gas turbine with a propelling nozzle. The gas turbine has an air inlet which includes inlet guide vanes, a compressor, a combustion chamber, and ...
engine developed by the Armstrong Siddeley company and first run in November 1948.


Design and development

The Adder, a turbojet derivative of the
Armstrong Siddeley Mamba The Armstrong Siddeley Mamba was a British turboprop engine produced by Armstrong Siddeley in the late 1940s and 1950s, producing around 1,500 effective horsepower (1,100 kW). Armstrong Siddeley gas turbine engines were named after snak ...
, was originally developed as an expendable engine to power the Jindivik 1 target drone. The engine was then developed into a longer-life engine before evolving into the more-powerful Armstrong Siddeley Viper. The ASA.1 Adder was flight tested in the rear-turret position of the Avro Lancaster III ''SW342'', the aircraft also having been previously modified and used for icing trials of the Mamba by Armstrong Siddeley's Flight Test Department at
Bitteswell Bitteswell is a small village and former civil parish, now in the parish of Bitteswell with Bittesby, in the Harborough district of Leicestershire in England. It is situated just north of the town of Lutterworth, and in the 2001 census had ...
.


Applications

*
GAF Pika The GAF Jindivik is a radio-controlled target drone produced by the Australian Government Aircraft Factories (GAF). The name is from an Aboriginal Australian word meaning "the hunted one". Two manually-controlled prototypes, were built as the GAF ...
* Saab 210


Specifications


See also


References


Further reading

*


External links


Minijets website


a 1951 ''Flight'' article {{Armstrong Siddeley aeroengines
Adder Adder may refer to: * AA-12 Adder, a Russian air-to-air missile * Adder (electronics), an electronic circuit designed to do addition * Adder Technology, a manufacturing company * Armstrong Siddeley Adder, a late 1940s British turbojet engine * ''B ...
1940s turbojet engines