Items related to Model aeronautics made painless
The purpose of this booklet is to appealr to a wider circle of readersto use the contents and take further steps in advancing model aeronautics to a higher level. The collection of references and investigations is the result of fifty years of experience in engineering, which includes designing of airplanes from 30 to 1200 h.p. since 1909 and scientific testing of models since 1912. The mathematical aspect of model engineering is not very promising because of the great variations in basic designs. In spite of the lack of systematic tests with models an attempt has been made to use aerodynamics for large airplanes and low-veklocity wind-tunnel reports in predicting the performances and stability of models, many of them contradictory. The relatively large forces of torque, power, gyroscopic moments of high speed propellers not present in large airplanes makes model aeronautics a new field of engineering. Attention is called to the problem of weight distribution, to the relative position of zero-lift lines of airfoils and the distance of the thrustline to the center of gravity. -R.J. Hoffman
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- PublisherModel Aeronautic Publications]
- Publication date1955
- ISBN 10 0913457140
- ISBN 13 9780913457146
- BindingPaperback
- Edition number1
- Number of pages104
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