The Elements of Mechanism
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In our eReader you can find the full English version of the book. Read The Elements of Mechanism 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 The Elements of Mechanism
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— A straight line motion which is founded on the proposition in Euclid that the angle in a semicircle is a right 140 Elements of Mechanism.
Fig. 158.
angle has been suggested by Mr. Scott Russell. It is derived from the ordinary crank and connecting rod.
Let the rod RQ be bisected in P, and jointed at that point to .another rod CP, which is equal in length to PQ. Suppose the point C to be fixed as a centre of motion, and the end Q to be con- strained to move to and fro in the line CQ, then R wi...ll move up and down in a straight line pointing also toC.
Since CP = PQ = RP, the point P will be the centre of a circle passing through C, Q, and R.
Also RPQ is a straight line, and must therefore be the diameter of the circle, whence the angle RCQ is a right angle, or the point R must always be situated in a Straight line through C perpendicular to CQ.
That is, the path of R is a fixed straight line pointing to C.
The motion fails after CP has rotated through two right angles from the upper vertical position.
What to read after The Elements of Mechanism?
You can find similar books in the "Read Also" column, or choose other free books by Goodeve, T. M. (Thomas Minchin), B. 1821 to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
— A straight line motion which is founded on the proposition in Euclid that the angle in a semicircle is a right 140 Elements of Mechanism.
Fig. 158.
angle has been suggested by Mr. Scott Russell. It is derived from the ordinary crank and connecting rod.
Let the rod RQ be bisected in P, and jointed at that point to .another rod CP, which is equal in length to PQ. Suppose the point C to be fixed as a centre of motion, and the end Q to be con- strained to move to and fro in the line CQ, then R wi...ll move up and down in a straight line pointing also toC.
Since CP = PQ = RP, the point P will be the centre of a circle passing through C, Q, and R.
Also RPQ is a straight line, and must therefore be the diameter of the circle, whence the angle RCQ is a right angle, or the point R must always be situated in a Straight line through C perpendicular to CQ.
That is, the path of R is a fixed straight line pointing to C.
The motion fails after CP has rotated through two right angles from the upper vertical position.
What to read after The Elements of Mechanism?
You can find similar books in the "Read Also" column, or choose other free books by Goodeve, T. M. (Thomas Minchin), B. 1821 to read onlineMoreLess
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