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The elevator was a Persian well wheel a wheel squashed out thin and cased in a pipe, a wheel driven not by bullocks, but by much horse-power, licking up the grain at the rate of thou-sands of bushels the hour.
At first the intention was to employ the fan-engine to drive the dynamo-electric machine or generator, but this was departed from, and an engine of 12 horse-power was erected in the workshops on the surface for the purpose.
"But I'm ready for the Canterbury journey." "And so am I," said Lord Whittinghame, "and the sooner we're off the better. I've got a new Napier here that's good for seventy-five miles an hour, so we'd better be off." Within five minutes they were seated in the big Napier, with ninety horse-power under them, and a possibility of eighty miles an hour before them.
The latest types of explosion-motors range from 100 to 150 horse-power; the advantages of these are obvious. Upon the outbreak of hostilities the French possessed an enormous number and variety of aeroplanes and this aerial fleet had been brought to a high standard of organisation. The aerial fleet is sub-divided into squadrons called "escadrilles," each of which comprises six machines and pilots.
The finer gravel and the mullock goes through and down over a sloping board covered with blanket, and with ledges on it to catch the gold. The dish was mostly used for prospecting; large quantities of wash dirt was put through the horse-power 'puddling-machine', which there isn't room to describe here. ''Ello, Dave! said Pinter, after looking with mild surprise at the size of Dave's waste-heap.
Another craft, designed for scouting operations, may be likened to the mosquito craft of the seas. This machine, while a biplane like the military aeroplane, is of lighter construction, everything being sacrificed to speed in this instance. It is fitted with a 100 horse-power motor and is designed to carry an observer if required. There is no offensive armament, however.
It was specially suited for a trial plant also, in the early days when a yield of six or eight lamps to the horse-power was considered subject for congratulation. The town being situated in the coal region of Pennsylvania, good coal could then be obtained there at seventy-five cents a ton.
To find the Actual Horse-power of an engine, multiply the area of the cylinder in square inches by the average effective pressure in pounds per square inch, less 3 lb. per square inch as the frictional allowance, and also by the speed of the piston in feet per minute, dividing the product by 33,000, and the quotient will be the actual horse-power.
"Better do it on a grand scale in a thirty horse-power motor-boat than in a gas-meter bath-tub of a five-room flat in Clapham," I remarked; and somehow that silenced Phyllis, except for a sigh. Since then I've been in a whirl of excitement preparing my watery path as a motor-boat adventuress, and buying a dress or two to suit the part.
The first of the Lebaudy vessels was named the 'Jaune'; its length was 183 feet and its maximum diameter 30 feet, while the cubic capacity was 80,000 feet. The power unit was a 40 horse-power Daimler motor, driving two propellers and giving a maximum speed of 26 miles per hour.
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