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 Mamba
The Armstrong Siddeley Mamba-powered Douglas C-47B Dakota testbed in 1954 showing the slim outline of the Mambas
Mamba and propeller from the Apollo airliner
A turboprop is a turbine engine that drives an aircraft propeller.
GE T64 turboprop, with the propeller on the left, the gearbox with accessories in the middle, and the gas generator (turbine) on the right
A Rolls-Royce RB.50 Trent on a test rig at Hucknall, in March 1945
The Kuznetsov NK-12 is the most powerful turboprop to enter service
A military transport aircraft, over 2,500 Lockheed C-130 Hercules have been built