Stepped piston engines for multi-fuel UAV application
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This paper presents design and development data for the SPV580 Unmanned Air Vehicle (UAV) engine. The project was funded by the British Ministry of Defence to meet future need for low mass power plants for advanced UAVs. Development has investigated gasoline and heavy fuelling, and data is presented on the achievements to date, together with predictive data if more advanced fuel system technology is applied. Summary data from a further study to provide higher power output from low mass stepped piston engines is also presented.