THE GMR 4-4 “HYPREX” ENGINE A CONCEPT OF THE FREE-PISTON ENGINE FOR AUTOMOTIVE USE
570032
01/01/1957
- Event
- Content
- DESCRIBED here is a 250-hp free-piston gasifier-turbine engine that has actually been installed in an automobile.A unique feature of this Hyprex engine is that it is a siamesed unit. The overall design has been selected, according to the author, to secure a compact, light-weight machine with improved thermal efficiency and with a reduction in general noise.Although the engine is still in the experimental stage, the author reports that analysis and results indicate it will be a serious contender for powering automotive vehicles.
- Pages
- 15
- Citation
- Underwood, A., "THE GMR 4-4 “HYPREX” ENGINE A CONCEPT OF THE FREE-PISTON ENGINE FOR AUTOMOTIVE USE," SAE Technical Paper 570032, 1957, https://doi.org/10.4271/570032.