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Updated: May 27, 2025
He carried his model rapidly to perfection, and, proceeding with it to Washington, obtained a patent. On his return home he met Mr. Swain, the proprietor of the Baltimore Sun and Philadelphia Ledger, and explained his invention to him. Mr. Swain was so much pleased with it that he at once ordered a four-cylinder press, which was completed and ready for use on the 31st of December, 1848.
Maudslay & Sons of London exhibit a model of the four-cylinder marine compound engine as fitted on the "White Star line" vessels, the Germanic, Britannic, Oceanic, Baltic and Adriatic, and on the steamers of the "Compagnie Générale Transatlantique," the Ville de Havre, Europe, France, Amérique, Labrador, Canada.
It became apparent, even in the early stages of heavier-than-air flying, that four-cylinder engines did not produce the even torque that was required for the rotation of the power shaft, even though a flywheel was fitted to the engine.
No consequences ensued unless perhaps to his own health. When everything was aboard, that dhow was pretty well down, but still well afloat. Then we white men took our places in the launch. This was a long narrow affair with a four-cylinder thirty-horsepower engine. As she possessed no speed gears, she had either to plunge ahead full speed or come to a stop; there were no compromises.
A dog's four legs give him much smoother traction than a man's two legs give, just as a four-cylinder engine will turn a propeller with much less vibration than a two-cylinder engine. Every step forward gave an impulse that spent itself before the next impulse was given, and the result was that the shoulders grew sore.
We fixed upon a four-cylinder engine that is started by gasoline but runs thereafter on kerosene. The lightest weight that we could attain with strength was 2,425 pounds. The grip is in the lugs on the driving wheels as in the claws of the cat.
The engine used was a four-cylinder air-cooled one, and most unexpectedly in the cold climate of the Antarctic it over-heated and broke various parts, beyond possibility of repair under the severe conditions. It therefore shows a lack of fair judgment to condemn the Scott sledge for a breakdown, which would have applied equally to every form of motor transport which could have been designed.
They, with the suites to which they are attached, were the most expensive transatlantic accommodations yet offered. The engine room was divided into two sections, one given to the reciprocating engines and the other to the turbines. There were two sets of the reciprocating kind, one working each of the wing propellers through a four-cylinder triple expansion, direct acting inverted engine.
In civilian life we had been very busy men; and here we had been plunged into a world where for months at a time there was almost nothing to do and what was worse, there was no place to go to and forget about it. So, after a hard two-week's work doing nothing, we studied the map and decided that the sea was within easy range of our four-cylinder thirty.
By 1914 the four-cylinder Mercedes-Daimler had been partially displaced from favour by a six-cylindered model, made in two sizes; the first of these gave a nominal brake horse-power of 80, having cylinders of 4.1 inches diameter by 5.5 inches stroke; the second type developed 100 horse-power with cylinders 4.7 inches in diameter and 5.5 inches stroke, both types being run at 1,200 revolutions per minute.
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