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Updated: May 20, 2025
There the connecting-rod jammed. Meantime, the after-engine, being as yet unembarrassed, went on with its work, and in so doing brought round at its next revolution the crank of the forward engine, which smote the already jammed connecting-rod, bending it and therewith the piston-rod cross-head- the big cross-piece that slides up and down so smoothly.
It went over the cross-head and down a spout, then stretched out in a golden ribbon along the glistening white belt that ran the length of the gallery. Then, like the wheat from the cars, it was caught up again in the cups, and shot down through spouts, and carried along on belts to the remotest bins in the annex.
The weather did not look very promising in the morning, the wind blowing pretty fresh from W.S.W.: and had it not been that the writer calculated upon having a vessel so much at command, in all probability he would not have ventured to land. The Smeaton rode at what sailors call a salvagee, with a cross-head made fast to the floating buoy.
Wardrop delivered a lecture on repairing compound engines without the aid of the shops, and the men sat about on the cold machinery. The cross-head jammed in the guides leered at them drunkenly, but offered no help. They ran their fingers hopelessly into the cracks of the starboard supporting-column, and picked at the ends of the ropes round the shores, while Mr.
The others stayed aboard and replaced piston, piston-rod, cylinder-cover, cross-head, and bolts, with the aid of the faithful donkey-engine. The cylinder-cover was hardly steam-proof, and the eye of science might have seen in the connecting-rod a flexure something like that of a Christmas-tree candle which has melted and been straightened by hand over a stove, but, as Mr.
The arrangement of openings in the piston is shown in Figs. 5, 6, 7, and the intermediate passages in Figs. 1, 2, and 3. To the upper side of each piston is attached a cross-head working on a disk placed at each end of a horizontal shaft. To one of the disks is added a short connecting rod that drives the spindle of a counter.
The valve-stems extend upward through ordinary stuffing-boxes, and are attached to the notched cross-heads by means of a threaded end which is prevented from screwing in or out by a compression nut on the lower end of the cross-head. The several pairs of pawls are hung on a common shaft which receives a rocking motion from a crank driven from a worm and worm-wheel by the turbine shaft.
"If you can, do it, and then put your arm around the back of the guide there. So; that's all right." In another moment, he had followed Charlie, and taken his place beside him on the other side of the guide, where he showed the boy how to grasp the timber in such a way that the cross-head, coming up, should not touch his arm. That done, he breathed a sigh of relief.
Wardrop delivered a lecture on repairing compound engines without the aid of the shops, and the men sat about on the cold machinery. The cross-head jammed in the guides leered at them drunkenly, but offered no help. They ran their fingers hopelessly into the cracks of the starboard supporting-column, and picked at the ends of the ropes round the shores, while Mr.
The ram raises the cross-head 6 feet at each stroke, and with it the tube, when that height is attained, a lower set of chains on the beams grip the next set of links, and thus prevent them from slipping down, whilst the clamps on the cross-heads are unscrewed, the upper links taken off, and the ram and cross-head lowered to take another stroke."
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