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The original air-breathing gas turbine jet engine was the turbojet. [3] It was a concept brought to life by two engineers, Frank Whittle in England UK and Hans von Ohain in Germany . The turbojet compresses and heats air and then exhausts it as a high speed, high temperature jet to create thrust.
Some large turboprop engines, such as the original Bristol Proteus and the modern TP400 have free turbines. The TP400 is a three-shaft design, with two compressor turbines and a separate power turbine. Where the turbine is at the rear of the engine, a turboprop engine requires a long drive shaft forwards to the propeller reduction gearbox. Such ...
Turbojet engines have been used in isolated cases to power vehicles other than aircraft, typically for attempts on land speed records. Where vehicles are "turbine-powered", this is more commonly by use of a turboshaft engine, a development of the gas turbine engine where an additional turbine is used to drive a rotating output shaft. These are ...
The propelling nozzle converts a gas turbine or gas generator into a jet engine. Power available in the gas turbine exhaust is converted into a high speed propelling jet by the nozzle. The power is defined by typical gauge pressure and temperature values for a turbojet of 20 psi (140 kPa) and 1,000 °F (538 °C). [18]
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 turboprop is a gas turbine engine that drives an aircraft propeller. [1] A turboprop consists of an intake, reduction gearbox, compressor, combustor, turbine, and a propelling nozzle. [2]
A T56 on a mobile test unit at MCAS Futenma, 1982 T56-A-1 (Series I) A 1,600 lb weight (730 kg) engine delivering 3,460 shp (2,580 kW) and 725 lbf (329 kgf; 3.22 kN) residual jet thrust, which is equal to 3,750 equivalent shp (2,800 kW); single-shaft 14-stage axial flow compressor, cannular combustion chamber with 6-cylindrical through-flow combustion liners, 4-stage axial flow turbine; 13,800 ...
First experimental high-bypass turbofan engine produced in the United States, initially run in February 1964; two produced; used the engine core of the T55-L-7; [13] 40 in diameter (100 cm) geared fan stage, producing a static thrust of 4,320 lb (1,960 kg); predecessor of the ALF 502 and LF 507 production turbofans; [14] bypass ratio of 6:1 ...
The first gas turbine engine considered for an armoured fighting vehicle, the GT 101 which was based on the BMW 003 turbojet, was tested in a Panther tank in mid-1944. [ 4 ] [ page needed ] The first turboshaft engine for rotorcraft was built by the French engine firm Turbomeca , led by its founder Joseph Szydlowski .
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