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 171
will gain an idea of theproper proportion, and be able to tell off-hand if the propeller is out of proportion.A small propeller revolving very rapidly,or racing, is likely to give the model atorque, even if it be otherwise well pro-portioned. Dont try to remedy this withrudder surfaces, but change… … FAULTS steering a boat. It is, of course, obviousthat it must be kept rigidly in position. Ifa slight turn of the rudder does notstraighten out the flight, you probablyneed more guiding surface, and the ruddermust be enlarged. If the model still con-tinues to turn away from a straight line,tilting…
Airplanes
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