TY  - JOUR
AB  - OVER THE PAST TWENTY YEARS the speed of helicopters has almost doubled whilst the payload carried per pound of helicopter weight has increased more than four times. Thus the productivity of the helicopter per lb of vehicle has increased eight‐fold.
VL  - 46
IS  - 2
SN  - 0002-2667
DO  - 10.1108/eb035125
UR  - https://doi.org/10.1108/eb035125
AU  - AUSTIN R.G.
PY  - 1974
Y1  - 1974/01/01
TI  - The development and prospects of helicopters
T2  - Aircraft Engineering and Aerospace Technology
PB  - MCB UP Ltd
SP  - 4
EP  - 10
Y2  - 2024/04/24
ER  -