A&M EDM, a West Midlands precision engineering sub-contractor, has played a key role in supporting
GKN Aerospace on a major research and development (R&D) initiative that could transform zero‑emission flight. GKN Aerospace, a global Tier One supplier of airframe and engine structures, landing gear, electrical systems and transparencies, has been progressing its flagship H2GEAR programme to develop a liquid‑hydrogen propulsion system for future sub‑regional aircraft.
H2GEAR focuses on using cryogenic liquid hydrogen, which is converted into electricity through a fuel‑cell system to power an electrical network and cryogenically cooled electric motors. The architecture is designed so that the only emission produced is water vapour, representing a significant step toward cleaner aviation.
As part of the programme, A&M EDM manufactured, machined and welded the outer casing segments for GKN Aerospace’s cryogenically cooled electric motor concept demonstrator. The aluminium sections, close to a metre in diameter and incorporating intricate feedthrough features, demanded exceptional precision. A&M’s engineering team met the strict tolerances required to ensure the large components were suitable for high‑vacuum, cryogenic applications, delivering work that GKN Aerospace described as essential to advancing the demonstrator.
The companies emphasise that the process of developing and delivering these parts has been “collaborative, engaging and enabling”, with both organisations viewing the achievement as a strong example of a successful UK manufacturing partnership. The project highlights the capability of Britain’s engineering supply chain to support next‑generation aerospace innovation.
H2GEAR is led from GKN Aerospace’s Global Technology Centre in Bristol. The £54 million programme is supported by £27 million from the UK Aerospace Technology Institute, with the remaining investment matched by GKN Aerospace in partnership with industry collaborators and academic institutions.