Design and Development of Seaplanes for Transatlantic Service Available to Purchase

The author takes up in succession the various problems involved in the design and construction of a multi-engined airplane capable of making a transoceanic non-stop flight of 5000 miles and carrying a pay load of 21 tons. Among the topics dealt with are: Location of engines and propellers; influence of load distribution on weight of wing structure; aerodynamical researches of the Göttingen laboratory on a model of the author’s plane; hydrodynamical starting tests in tank at the Hamburg Shipbuilding Research Institute; influence of various factors on size of pay load; maximum power outputs from oversize engines at various altitudes; necessity of greatly increased airplane speeds; etc.