A Treatise On Cranes
A Treatise On Cranes
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In our eReader you can find the full English version of the book. Read A Treatise On Cranes Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book A Treatise On Cranes
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By applying the crank to the shaft M, motion will be communicated, through the wheel L and pinion K, to the shaft O, and hoisting will occur at a rapid speed proportionate to the relative diameters of the wheels L and K. Three speeds are thus obtained for hoisting, all of which are equally applicable to lowering by reversing the motion of the cranks.
72 A Treatise on Cranes.
To effect travel of the trolley, in the manner explained in the preceding article, both pinions J and K are slipped into ...engagement with the wheel L. By then turning either of the shafts N or O in the proper direction, one part of the hoisting chain, X for example, will be hauled in, and the opposite part, Y, paid out at equal speeds, the effect of which is to cause the trolley to move horizontally upon the jib. By applying the crank to the shaft M, these motions are accelerated, and a rapid movement of the trolley results.
Two cranks are furnished with each crane, and it is to be noted that the construction admits of the employment of both cranks upon any one of the shafts M, N, or O, so that the entire energy of all the men employed upon the crane is transmitted through that shaft, while, if more rapid action is desired, one of the cranks may be placed upon the right hand end of the shaft N and the other upon the opposite or left hand end of the shaft O.
What to read after A Treatise On Cranes?
You can find similar books in the "Read Also" column, or choose other free books by Henry R Henry Robinson Towne to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
By applying the crank to the shaft M, motion will be communicated, through the wheel L and pinion K, to the shaft O, and hoisting will occur at a rapid speed proportionate to the relative diameters of the wheels L and K. Three speeds are thus obtained for hoisting, all of which are equally applicable to lowering by reversing the motion of the cranks.
72 A Treatise on Cranes.
To effect travel of the trolley, in the manner explained in the preceding article, both pinions J and K are slipped into ...engagement with the wheel L. By then turning either of the shafts N or O in the proper direction, one part of the hoisting chain, X for example, will be hauled in, and the opposite part, Y, paid out at equal speeds, the effect of which is to cause the trolley to move horizontally upon the jib. By applying the crank to the shaft M, these motions are accelerated, and a rapid movement of the trolley results.
Two cranks are furnished with each crane, and it is to be noted that the construction admits of the employment of both cranks upon any one of the shafts M, N, or O, so that the entire energy of all the men employed upon the crane is transmitted through that shaft, while, if more rapid action is desired, one of the cranks may be placed upon the right hand end of the shaft N and the other upon the opposite or left hand end of the shaft O.
What to read after A Treatise On Cranes?
You can find similar books in the "Read Also" column, or choose other free books by Henry R Henry Robinson Towne to read onlineMoreLess
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