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Updated: June 14, 2025
The flywheel on the shaft, A, is weighted on one side, so that it causes the hammer to stop at the top of its stroke after working; thus enabling the material to be placed on the anvil before starting the hammer. The movable fulcrum, B, consists of a stud, free to slide in a slot, C, in the framing, and held in position by a nut and toothed washer.
The governor is located in the flywheel, and actuates the automatic cut-off, with which it is directly connected, without the intervention of an eccentric, in such a way as to vary the cut-off without changing the point of admission. By this means is secured uniformity of motion under variable loads with variable boiler pressure.
In the Crewe engine the flywheel, it will be noticed, is provided with a balanceweight. The admission of the steam to and its release from the cylinder is effected by a four-way cock provided with a lever, which is actuated by a tappet rod attached to the crosshead, as seen on the back view of the engine.
The boss of the wheel of brass was nicely bored; the arm-holes were carefully drilled and taped, so as to allow the arms which I had turned to be screwed in and appear like neat columns of round wrought iron or steel screwed into the boss of the flywheel.
It is an arrangement of the Valiant steam pumping engine with a flywheel arranged to take a belt, and is so constructed that the pump can be readily thrown out of gear and the engine used to drive light machinery.
Mollie seized the crank, which, by means of a long shaft and sprocket chain, extending from the after cabin bulkhead to the flywheel, revolved that. She gave it a vigorous turn. There was no welcome response of throbbing explosions in the cylinders. "Try again!" gasped Betty, "Oh, all of you try. I simply can't leave the wheel." The steamer was now sending out a concert of sharp, staccato blasts.
"Right yer are, my boy; there's nothin' like bein' forehanded," remarked the captain as Merritt bent over the flywheel and Rob threw in the spark and turned on the gasoline. After a few revolutions an explosion resulted and the Flying Fish was off on the mission which might mean so much or so little to the anxious hearts on board her.
Finally, at Hot Springs, Death gave him treatment and he was freed from pain. From this o'ertrue incident it must not be imagined that wealth and position are bad things. Health is potential power. Wealth is an engine that can be used for good if you are an engineer; but to be tied to the flywheel of an engine is rather unfortunate. But it is a Herculean task to cope with the handicap of wealth.
In the Crewe engine as it now exists it is not quite clear how the power was taken off from the crankshaft, but from the particulars of similar engines recorded in the "Life of Richard Trevithick," it appears that a small spur pinion was in some cases fixed on the crankshaft, and in others a spurwheel, with a crank-pin inserted in it, took the place of the crank at the end of the shaft opposite to that carrying the flywheel.
Man's power over them would cease instantly and their strength would be a terrible engine of destruction. Men would be as much worse as human intelligence exceeds brute intelligence. One is quite safe in declaring that habit is the great flywheel that regulates society."
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