Independent Ideas on Helicopters

Extract

The paper attempts to underline the difficulties of determining, from the various recorded opinions, papers and performances, the possible usefulness of the helicopter and of its future It seeks to point out some of the technical and economic difficulties which must be surmounted before it can be considered a commercial project It suggests a different concentration of effort on present and future development work and finally concludes that not enough is yet known of the capabilities, operational or commercial, for any definite assessment of its transport use to be safely made