Engelman's autocraft; being an instructive study of the automobile; its care and management; how to drive; locating troubles and repairing them; with chapters exploiting some of the latest devices used in automobile construction (1914)
Engelman, Roy Albert, b. 1889 · Cincinnati, O., The American chauffeur publishing co. · leaf 236
d ground, are fixed in thepistons and turn in the rod ends length of rodand pin bearing 5^ in. in all rods. The ratio of compression space cubic contentto piston displacement cubic content is 30 per cent. The maximum power for each small cylinderis 30; for large, 35 b. h. p. or say 70 b. h. p.… … Fig. 4. Piston and Connecting Rod Assembly of Secor Motor. All crank shafts are heat treated, or an-nealed. The preference is for great tenacity andtwisting before breaking; test specimens mustshow 75,000 to 85,000 lbs. tensile strength persq. in., and; 20 per cent elongation in. 8 in. testpiece…
Automobiles
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