Goldingham, Arthur Hugh. [from old catalog] · New York, Spon & Chamberlain; [etc., etc.] · leaf 102
41 The exhaust bends close to valve-box shouldwhen possible be of not less than 5 radius for thesmaller engines, which dimension should be increasedfor larger-sized engines. The valves are made of forged steel, either in onepiece or with cast-iron valve and wrought-iron or steelstem fitted into it,… … PiSTON-prN.—For small engines, the length of thepiston-pin is almost invariably one-half the diame-ter of the cylinder and the diameter of the pin 0.15 to0.25 the diameter of the cylinder. This leads to pres-sures of 1,800 to 2,200 lbs. per sq. in. of projectedarea. 42 OIL ENGINES. Medium power and…
Internal combustion engines
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