power ˈloading, vbl. n.
[f. power n.1 + loading vbl. n.]
1. Aeronaut. The laden weight of an aeroplane divided by the total engine power.
| 1920 H. Woodhouse Textbk. Appl. Aeronaut. Engin. iii. 136 The lift loading of the machine per sq. ft. equals 8·3 lbs., and the power loading, 12·1 lbs. per h.p. 1927 Observer 12 June 17/3 The flights of the ‘Horsley’ have greater technical value than those wonderful American flights,..the ‘Horsley’ has an unprecedented high wing and power-loading. 1966 D. Stinton Anal. Aeroplane vii. 118 When power loading is used as a measure of merit for comparing different aircraft (Wo/P) lb/hp is used, where Wo is the all-up-weight on take-off and P the sea level horsepower. |
2. Mining. The loading of coal on to a conveyor belt at the coal face by means of a machine (cf. power loader s.v. power n.1 18 f).
| 1943 Trans. Inst. Mining Engin. CII. 39 The films to be exhibited are shown by courtesy of the ‘Power Loading’ Committee, and illustrate the latest practice in power⁓loading in America. 1956 F. S. Atkinson in D. L. Linton Sheffield 269 With thinner seams power-loading presents a difficult problem and progress has been slower. 1962 Economist 20 Jan. 243/1 Powerloading equipment tends to upset the whole work cycle of mining. |