Crank case scavenging of a two-stroke-cycle engine (1928)
NASA Technical Reports Server (NTRS) · leaf 13
Figs.21,22 N.A.C.A. Tochnical Memorand\xm No.446 .05 .10 .15 .SOorti /s Tim3 cross section of early exhaust I Spec.fuel consumption series 1 with small muffler. II " " " " 1 " large " IIIReduced spec, fuel consumption. IV Spec, fuel consumption series 2 with small muffler. V " . " " " 2 " large "… … 0 .05 .10 .15 .80 cm'^/s Time cross section of early exhaust I Height of exhaust port. II Vml. efficiency of scavenge pump with large muffler, III " ■ " " " « ." small " V Amt. df air remaved by one revolution with small muffler. XV " " !• " " n " large " Fig.22 Experimental results.
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