The effect of changes in compression ratio upon engine performance (1925)
NASA Technical Reports Server (NTRS) · leaf 9
406 EEPOET NATIONAL ADVISOEY COMMITTEE FOE AEEOBfATJTICS INFLUENCE OF COMBUSTION CHAMBER SHAPE The metJiod of changing piston head shapes to obtain the various compression ratios has beeii>bjected to at times on the grounds that it involved changes in combustion chamber shape which might influence… … 1000 1200 1400 1600 1400 1600 1800 2000 R.P. M. R.P.M. Fia. 10—Tests 183 and 18-1. Engine: Bore, 6.S25 inches; Fig. II.—Tests 186 and 187. Engine: Bore, 5.51 Inches; stroke, ISs Inches; 6 cylinders. Compression ratios, 8.5, stroke, 5.91 inches; 8 cylinders, compression ratios, 8.5, 8.5; air cycle…
NASA Technical Reports Server (NTRS)
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