The Adour Uninstalled Engine Test Facility (UETF) is operated by S & C Thermofluids on behalf of the Defence Science and Technology Laboratory (Dstl), an agency of the Ministry of Defence.

The laboratory offers a low cost propulsion research capability at large scale.

The Adour engine is manufactured by jointly by Rolls-Royce and Turbomeca and variants of the engine are used in the Hawk, Jaguar and Mitsubishi F-1 and T-2 aircraft.

The UETF is capable of operating both the Mk.151 (Hawk) and Mk.104 (Jaguar) engines.

In dry mode, the Adour is capable of producing around 23.5kN of thrust. The Adour 104 has reheat capability which can take the thrust to 37.5kN.

In the UETF, the Mk.104 engines are used and these are run in the dry mode.

	The key features of the 104 engine are as follows: Bypass ratio 0.75-0.8 Two shaft Five stage axial compressor Two stage turbine Mass flow approximately 40kg/s Thrust 23.5kN (sea level static - dry) Exhaust temperature up to 750 ºC NPR up to 2.0 (sea level static) Fuel - AVTUR The engine is mounted on a support frame which is housed within a dedicated hush-house to reduce noise levels during engine test.

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