The facility
All propulsion testing is carried out at Astron's facility "C-Site" at Westcott Venture Park in Buckinghamshire. The test site has history, originally constructed around 1947 when the wider Westcott site was the UK's primary cold war rocketry development center, and has been modernised in recent years to once again host test campaigns for the next generation of propulsion technologies.
The site consists of two test bays, the high thrust test bay and the low thrust test bay, as well as adjoining rooms which house equipment protected from the firing bays. It's planned to upgrade the site to also add cryogenic run tanks for liquid methane and liquid oxygen, and a water deluge system for acoustic suppression, to be able to support tests of high thrust liquid methalox bipropellant engines.