Research and Design Problems Introduced by Increased Power Output (1937)
NASA Technical Reports Server (NTRS) · leaf 22
N.A.C.A. Technical Memorandum No. 840 Figs. 6,7,8 zoox- fs'350% kg/cm1 Altitude Figure 7.- Useful power and mean Figure 6.- High altitude perform- effective pressure for ance for stageless reg- an engine with poppet and sleeve ulation to constant supercharge valve gear. pressure and supercharge… … Aq= outlet opens Eb= inlet M E8= M closes id °> Ag= outlet 11 <D U a) UT= lower dead center Ad Ed JJs Ad Ed UT Es Js Rotary valve Roller valve Figure 8.- Valve gear sections for two-stroke cycle cylinders with various outlet valves.
NASA Technical Reports Server (NTRS)
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