Armstrong Siddeley Python
- Armstrong Siddeley Python
The Armstrong Siddeley Python was an early British turboprop engine designed and built by the Armstrong Siddeley company. Its main use was in the Westland Wyvern carrier-based heavy fighter, the turboprop engine replacing the Wyvern prototype's original Rolls-Royce Eagle piston engine in production aircraft. In this application, the Python was rated at 4,110 EHP (Effective Horsepower).
The design started as an experimental pure-turbojet known as the ASX, which started running in 1943. By this point other engine designs were already entering pre-production, and it seemed there was little need for the ASX in its existing form. The design was then modified into the turboprop layout with the addition of a second turbine stage, which was geared to the propeller.
Early flight-testing of the Python was carried out using the Lancaster B.1 (FE) "TW911" and the Lincoln B.2 "RE339/G", each aircraft having the two outboard Rolls-Royce Merlins replaced by Pythons. Lincoln B.2 "RF403" also had two Pythons similarly installed and was used for high-altitude bombing trials at Woomera, South Australia, the Pythons being used to increase the height from which tests could be carried out.
pecifications (ASP.3)
jetspecs
type=Turboprop
length=
diameter=
weight=
compressor=14 stage axial
combustion=
turbine=
fueltype=
oilsystem=
power=4,110 ehp (3,065 kW)
thrust=
compression=
aircon=
turbinetemp=
fuelcon=
specfuelcon=
power/weight=
thrust/weight=
ee also
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