The Manufacture of Hollow Valves

Abstract

THE increase of the specific power of aero‐engines in the last few years has been obtained in three ways, namely: by increasing the engine speed and, more particularly, by raising the compression ratio and by adopting supercharging.

Citation

Balleret, A. (1939), "The Manufacture of Hollow Valves", Aircraft Engineering and Aerospace Technology, Vol. 11 No. 6, pp. 240-242. https://doi.org/10.1108/eb030501