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The Iron Age 1889-08-22: Vol 44

1889 Reed Business Information US

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‘THE IRON AGE THURSDAY, AUGUST 22, 188 ’ , 9 U. S. Steam Whale-Boat. In our issue of July4 we presented drawings showing the engines and part of the hull arrangement of the United States gun-boats Concord and _ Bennington, which may be said to belong to the ‘ mid- dle line ” of boats being built for the Gov- ernment, as regards size and power. In this issue we present drawings of one ex- treme as regards size and power—namely, the machinery for the 28-foot steam whale- Loi ©) O®, otonentigees earworm Ome sl ae / Fig. 1.—End Elevation. COMPOUND boats. The arrangement of the engine and boiler and the water-tanks and coal- bunkers is shown in the plan view, Fig. 8. The boiler is placed forward of the en- gine, the center line of the latter being 7 inches to port, and that of the boiler 2 inches to starboard of the center line of the boat. The engine is of the vertical, inverted cylinder, direct-acting compound type, with a high-pressure cylinder of 3 inches and low-pressure cylinder of 6 inches in diameter, the stroke being 5 inches and the cranks being set at 90 degrees. The cylinders are of cast-iron, made in one) piece, which includes the valve-chest, steam-ports and passages. The …

Citation

The Iron Age 1889-08-22: Vol 44. Reed Business Information US. 1889.