International Library of Technology · Scranton, International Textbook Co. · leaf 454
y = Syithe pole-piece as originallyassumed was 8 in.; it willtherefore be necessary tolengthen out the poles alittle, in order to accommo- sdate the spool, and increasethe diameter of the yokecorrespondingly. It is bestto have the pole project be-yond the spool flange a lit-tle, as it keeps the… … Fig. 1644. shows a section of the spoolplace. The pole-piece is indi-cated by the dotted outline. This change in the lengthof the pole-piece will make the inside diameter of theyoke 49| in., and the outside diameter 57f in., as shownin Fig. 1643, where the final dimensions are encircledby rings.…
Electrical engineering
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