The boys' book of model aeroplanes : how to build and fly them : with the story of the evolution of the flying machine (1912)
Collins, Francis A. (Francis Arnold), b. 1873-, Morgan, Kewpie, inscriber. DSI · London : Eveleigh Nash · leaf 150
r down readily, andadjusted and weighted to suit the condi-tions. There is danger in this form, however,that the plane will turn completely over inits flight, although this will have littleeffect upon the thrust or direction. Themodel is exceedingly simple to make. Thepropellers should not be too… … BUILDING A BIPLANE this kind with propellers at either end itwill be found interesting to experiment byattaching planes of different shapes andsizes. It requires very little surface tokeep such a monoplane afloat. Instead ofthe circular and elliptical plane placedlengthwise, as in the accompanying…
Airplanes
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