Abstract
MOST modern air transport is by means of the aeroplane, a body heavier than air, depending upon forward movement for sustentation. For purposes of this examination it can be considered to consist of four fundamentally different systems: (1) the lifting system, that is, the wings; (2) the non-lifting system, principally the body, a structure with space for the load, a girder carrying the tail control units, and often the power plant; (3) the propulsive system comprising the engines and airscrews; (4) the control system, including all devices by which the pilot governs the move ments of his aircraft. The trend in development of each of these is examined from the point of view of its approach towards air transport ideals of carrying capacity, speed, range, economy, comfort and safety.
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Modern Trends in Air Transport*. Nature 143, 272–273 (1939). https://doi.org/10.1038/143272a0
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DOI: https://doi.org/10.1038/143272a0