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Friction of Aviation Engines (1928)
NASA Technical Reports Server (NTRS) · leaf 8
REPORT NATIONAL ADVISORY COMMITTEE FOR AERONAUTICS … 70 60 50 40 Borome-fric pressure, cmoff-fg. Fig. 5.—Compression ratio, 5.3. Engine C : 12 cylinders; bore, 4.5 inches; stroke, 6 inches 70 60 50 40 30 Boromeiric pressure , cm of hfg. Fig. 6.—Engine D: 8 cylinders; bore, 4.72 inches; stroke, 5.12 inchesNASA Technical Reports Server (NTRS)
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