A Treatise on the Underworks of Carriages

A Treatise on the Underworks of Carriages

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1879 edition. Excerpt: ... the wheel is secured on to the arms by nuts, that should the nuts work off while running, the "gather" would cause the wheel to keep running on the arm for some considerable time, and thus possibly avoid accident; but this old plan of "gathering" is, like the previously noticed "rule," losing ground everyday, and deservedly so, for nothing could hardly be devised, not only to increase the amount of friction, but also to increase the labour of the horse in drawing a vehicle, than this unscientific method of "gathering" axles. Axletrees, after being received from the manufacturer, require to be "set" before they can be fixed by the carriage-maker; this "setting " of the axles, which is done by the smith, consists in the "bending" or "pitching" the arms downwards from the back of the collar, so that the arm, if continued, would at that point at which it would come in contact with the ground, be the vortex of the cone of which the wheel would form the base; and also that when the wheels are on the arms, the back of an "outer" or "forward" spoke (that is one of the spokes that are mortised into the nave nearest to the outer head or "stock-hoop ") shall, when standing perpendicular between the nave and the ground, be at right angles with the ground it is standing upon. This spoke is termed the "plumb-spoke;" the truth of the proper position of the plumb-spoke is tested by the smith, by placing a wheel on each arm of an axle, and by a rod of iron, measuring whether the plumb-spoke of each of the two wheels are parallel; that is, the same distance between them on the inside close up under the nave, as at the lower part close...show more

Product details

  • Paperback | 34 pages
  • 189 x 246 x 2mm | 82g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236910478
  • 9781236910479