1945-01-01

Basic Principles of POWER BOOST FLIGHT CONTROLS 450165

THE need for power boost controls, as evidenced by the practical limitations experienced with mechanical types of manual-assist control methods, is briefly summarized.
This is followed by an analysis of power boost control in general in so far as location of major elements is concerned.
Also included is an analysis of the conditions under which power boost is required and a list of basic characteristics which are essential as a design nucleus. Each characteristic is presented in detail and reasons for its inclusion are explained.
A complete description of the principles of operation of the Vickers hydraulic boost control as used on the Martin Mars is presented with a schematic diagram of a typical control system incorporating the boost unit. Selection of power source and all related hydraulic and mechanical equipment necessary for satisfactory operation of the Vickers unit is described.
A summary of how each basic design characteristic can be fulfilled by this type of hydraulic boost control concludes the report.

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