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Then he launched it forward with all his strength not much, but enough to lift a bluntly pointed end out of water as it grounded and exposed a small, four-bladed steel wheel, shaped something like a windmill. He examined this, but could not understand it, as it whirled freely either way and seemed to have no internal connection.
The Flying Fish was driven by nine propellers, three of these, four-bladed and six feet diameter, revolved a little forward amidships on either side under what might be called the fins. These fins collapsed close against the sides of the vessel when under water and expanded to a spread of twenty feet when she took the air.
At Bordeaux, a huge scaffold is put up, authorized by the Military Committee, with seven doors, two of which are large and like barn-doors, called a four-bladed guillotine, so as to work faster and do more. The warrant and orders for its construction bear date Thermidor 3 and 8, year II. Berryat Saint-Prix, 285. Examples of revolutionary taxes.
Dolf took up the theme, and enlarged upon the virtues of resin, particularly that resin of his, which was the very best kind of resin for the purpose and had been specially commended by an old swaggie with one eye, who gave it to him for a four-bladed knife and a clay pipe.
The motive power consisted of an engine with a cylinder of three-quarter inch diameter and a two-inch stroke; between this and the crank shaft was a bevelled gear giving three revolutions of the propellers to every stroke of the engine; the propellers, right and left screw, were four-bladed and 16 inches in diameter. The total weight of the model with engine was 8 lbs.
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