R. C. Pankhurst; J. F. C. Conn; R. G. Fowler; Love, E.M.
(H. M. Stationery Office, 1941)
The effect of change of gear ratio has been examined in the case of a four-bladed airscrew of 14 ft. diameter absorbing 2,000 b.h.p. at 37,000 ft. at a forward speed of 450 m.p.h. with a given engine speed (3,700 r.p.m.). ...