Armstrong Siddeley Adder

Adder
Armstrong Siddeley Adder turbojet on display at the Rolls-Royce Heritage Trust, Derby
TypeTurbojet
ManufacturerArmstrong Siddeley
First runNovember 1948
Developed fromArmstrong Siddeley Mamba
Developed intoArmstrong Siddeley Viper

The Armstrong Siddeley ASA.1 Adder was an early British turbojet engine developed by the Armstrong Siddeley company and first run in November 1948.