Closed tender

Project CALLISTO

Ministry of Defence · up to £750,000

This tender has closed (deadline was 27 July 2026). Similar contracts are published all the time — see the live tenders by sector or get alerts so you hear the day the next one lands.

What the buyer wants

Project CALLISTO Requirement: Affordable, single use engines for current and future air systems, munitions & One Way systems, to bridge the performance gap between hobbyist, model aircraft engines and higher performance, long-life & more exquisite engines. This phase will consist of design, development and ground testing (in appropriate engine test facilities) of Qty 4 prototype engines. The engines must be affordable and scalable. Any future scaled production requirement is…

Key facts

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