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Farnborough 2022: UK solidifies hypersonics team plan

21st July 2022 - 10:30 GMT | by Ian Parker in Farnborough


Rendering of a potential airframe for HVX, as seen on the Reaction Engines stand at the Farnborough International Airshow 2022. (Image: Reaction Engines)

The RAF Rapid Capabilities Office is sponsoring the HVX initiative to develop a UK hypersonic platform — with a cold test of a full-scale engine expected by late 2022.

Sabre engine developer Reaction Engines expects to run a cold test of a full-scale engine this year, with hot testing starting in 2023.

The powerplant has been years in development; Shephard first spoke to inventor Alan Bond about it in 1985. Its current applications are for space launch vehicles and hypersonic vehicles for defence.

Conventional jet engines such as the powerplant for the now-retired SR-71 surveillance aircraft work well up to Mach 3, but at Mach 5 the air enters the engine at 1,000°C and therefore must be cooled.

The key to Sabre is the pre-cooler using technology from the

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Ian Parker


Ian Parker

Ian Parker became an aerospace and defence journalist in 1980 on Flight International and started …

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