Development of a propulsion system for powering a self-propelled GETOL model aircraft
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Abstract
An estimate of the propulsion system requirements for the second UTIA GETOL model was determined from the data and theory contained in the available literature on ground effect phenomena. A dynamometer was designed and built to determine the torque - speed characteristics of model aircraft engines. Three engines were tested to find one that had the power required. A ducted-fan and straight ener system which would utilize this power output was designed and built. It was installed in a cylindrical duct for testing. The pressure rise, power required and efficiency as functions of volume flow at constant r . p. m. were determined for the fan and straight ener combination.