designed by Armstrong Siddeley as a 'short-life' engine for the
Jindivik target drone, the Viper has been in production for 50
years...first with Armstrong Siddeley, then with Bristol Siddeley and
finally Rolls Royce.
More than 5,500 Viper engines have been built with
13 million hours of service. The Viper first entered service
|Mass flow: 32 lbs/sec|
|Pressure ratio: 4|