rod bears the same proportion to the crank , namely , five to one . THE CRANK AND ECCENTRIC PATHS . The crank and eccentric paths are identical ; the path of the one is exactly the path of the other . Each revolves around the same centre , namely , that of the main shaft of the engine . The crank… … Flg . 64 . — The Crank and Eccentric Paths . a b , Chord of the arc of supply on crank path . c d , Chord of the arc of supply on eccentric path . e f , Versed sineof the chord of the arc of supply on crank path . g h , Versed sine of the chord of the arc of supply on eccentric path . 1 , Centre of…
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