Airway Age

Airway Age

4.11 - 1251 ratings - Source

In addition to the three Whirlwind engines in the FordStout plane, the company owns a fourth engine of the same type, and one engine is ... If the operator observed that the two curves were in phase, it would mean that the altitude was six wave-lengths or 2000 ft. ... Diagram of Instrument for Recording Radio Echo on Airplane Accurate determination might thus ... It would pass through a maxima when an echo wave tended to decrease the frequency of the 11-meter oscillator at theanbsp;...

Title:Airway Age
Publisher: - 1929


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