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Experts from BAE Systems, Rolls-Royce, Leonardo UK, MBDA, and the Ministry of Defence (MOD) have shed new light about work taking place to deliver the Tempest, the UK’s first flying combat air demonstrator for a generation.
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The flying technology demonstrator, first announced by the UK government in July 2022, is set to fly within the next four years and is being designed using a range of innovative digital techniques and transformative processes, combined with the expertise of the UK’s world-class defence industry.
Richard Berthon, director, Future Combat Air for the MOD, welcomed the milestone, saying, “The Flying Demonstrator program is a remarkable effort to design and build a supersonic stealth jet that will prove integration and develop our national skills, while providing data and learning in support of Tempest entering service by 2035.
“Today, for the first time, we are able to lift the lid on some of the key work that is taking place on this important program. Tempest is no longer just an idea or concept on a computer; our industry partners have made real, tangible progress and are bringing the program to life through innovative projects, such as the flying demonstrator,” Berthon added.
Test pilots from BAE Systems, Rolls-Royce, and the Royal Air Force (RAF) have already flown more than 150 hours of the demonstrator aircraft in a new bespoke simulator, providing crucial evidence to support flight trials at a brand-new facility, at BAE Systems in Warton, Lancashire.
Neil Strang, Tempest program director, BAE Systems, said, “It’s now 40 years since our people led the demonstrator aircraft program which gave birth to Typhoon and the work we’re doing today is another once-in-a-generation opportunity to write the next chapter in aviation history. Right across the Tempest program we’re using digital techniques and innovative design and engineering methods, to ensure we can deliver Tempest in service by 2035.”
The Tempest program is already shaping up to be a major boost for the UK’s defence industry, with Strang saying, “We already have 1,000 people involved in this program across UK industry and the supply chain, with young apprentices and graduates working alongside some of our most experienced engineers.”
Engineers have also been carrying out aerodynamic engine testing, harnessing new advanced manufacturing processes to produce an engine duct which is uniquely shaped to slow the air from supersonic to sub-sonic speeds at the engine face. The intake has fewer moving parts than a traditional fighter jet design, enhancing the aircraft’s stealthy design. The test was conducted at Rolls-Royce’s site in Filton, Bristol, in the same facility where the Concorde Olympus engine was tested in the 1960s.
Conrad Banks, chief engineer, Rolls-Royce Defence Future Program added, “The aerodynamic testing has been invaluable in several ways. Not only has it validated complex digital techniques and models, but it has fostered highly collaborative working practices between the BAE Systems and Rolls-Royce teams. We have been delighted with the results and now move forward with confidence that together, we can deliver on the next stage of the flying demonstrator development."
Working alongside UK crew escape specialist, Martin Baker, a team of BAE Systems engineers has led ejection seat trials, using a rocket-propelled sled travelling at speeds of more than 500mph. Experienced engineers have worked alongside junior team members to pass on vital skills which can be taken forward into future developments of Tempest.
This range of novel technologies will demonstrate and test key elements of the next generation combat air design as well as skills, tools, processes and techniques needed to develop Tempest, the aircraft that will be delivered through the Global Combat Air Program, with the UK, Italy, and Japan.
