id author title date pages extension mime words sentences flesch summary cache txt 41135 Johnson, V. E. (Valentine Edward) The Theory and Practice of Model Aeroplaning .txt text/plain 49498 7377 85 The subject of model propellers and motors has been somewhat fully The above refers, of course, to a rubber-motor driven model. In the case of a rubber-driven model, there is no containing body (rubber) for model aeroplanes, and during that time no better In the case of rubber cord used for a motive power on model question of compressed-air motors for model flying machines. light and powerful model steam engines since Langley's time, chiefly The total weight of the model aeroplane in this case was 70 The exact size of the smallest _working_ model steam engine that The number of petrol motor-driven model aeroplanes that have actually use electric motors for model aeroplanes. In the case of model aeroplanes constructional details incline the In no case should the propeller be placed in the centre of the model, rubber-driven model aeroplanes the pitch ratio is often carried much ./cache/41135.txt ./txt/41135.txt