Making beyond possible.

Our Mission.

The sky’s no longer the limit. The development of our innovative Synergetic Air-Breathing Rocket Engine (SABRE) is enabling us to go beyond everything that has gone before – from making space and hypersonic travel more efficient and more accessible, to applying our latest breakthroughs to bring a step-change in performance and efficiency to an array of commercial industries. We’re making it possible.

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Meet our new class of hypersonic engine designed to propel both high speed aircraft and spacecraft.

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Applied Technologies

Discover how our groundbreaking Applied Technologies division is set to revolutionise a range of commercial industries.

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Explore the innovative manufacturing technology behind our development of the world’s most powerful cooling systems.

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One team.
One vision.
Limitless potential.

Our people are truly dedicated to making beyond possible. Every single day.

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Advanced radiator for hybrid electric aircraft

As the aviation industry explores evermore innovative ways in which it can become more sustainable, a leading figure in this campaign is a company called Ampaire.

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Precooler technology proven at Mach 5 speeds.

We have successfully tested our innovative precooler at airflow temperature conditions representing Mach 5, or five times the speed of sound, marking a significant milestone in the development of our SABRE engine and paving the way for a revolution in hypersonic flight and space access.

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Faster, further, longer – removing heat would see a step change in EV battery technology

With better heat management, it is possible to significantly reduce the charge and discharge time of EV batteries and increase battery lifetime. Read our article on how efficient thermal management can overcome the biggest barriers to the uptake of electric vehicles and how HXLIFE Foils can facilitate this.

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Reaction Engines, IP Group, and the UK Government funded Science and Technology Facilities Council (STFC) are joining forces to create a world leading decarbonisation technology company

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Reaction Engines joins Cranfield Aerospace on Project Fresson to develop hydrogen fuel cell powered aircraft

We are pleased to announce that Reaction Engines has joined the Project Fresson consortium led by Cranfield Aerospace (CAeS). Project Fresson aims to accelerate the journey to zero-emissions passenger-carrying aircraft through using hydrogen fuel cell technology and Reaction Engines has been selected to provide the fuel cell cooling technology.

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SABRE development update: advanced hydrogen preburner testing complete

Reaction Engines is pleased to be able to provide an update on the development of SABRE. In partnership with S&C Thermofluids, we have tested the engine’s advanced hydrogen preburner at energy delivery levels in excess of two megawatts and proved output temperature uniformity under pressurised conditions

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