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 145
be easilyadjusted to any angle, and held in position.It is indispensable that you have two pro-pellers placed aft behind the main plane.The model may be made much more effect-ive by adding a third stability-plane or rud-der at the rear. It may be either verticalor horizontal and should be easily… … BUILDING A BIPLANE In building these cellular forms selectsome light lath for the frame rather thandowel sticks. It will be necessary to joinmany of these together at right angles,and the curved stick will be found difficultto work. For each box cut four sticks thedesired width, and eight sticks…
Airplanes
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