Note 199 — Chapter IV

The respective diameters of wheels in these steamers from outside to outside of floats, were as follows, viz., Arctic, 35 feet 6 inches; Baltic, 36 feet; Atlantic, 35 feet; and Pacific, 35 feet. Those of the Arctic and Atlantic had thirty-six floats; the Baltic, thirty-two; and the Pacific, twenty-eight.

The average performances of the engines of the Arctic were as follows: pressure, 16·9 pounds; revolutions, 15·8 per minute with an average consumption of 83 tons of anthracite coals per day of twenty-four hours, giving an average speed of 316·4 knots per day. Her maximum pressure was 17·5 pounds; revolutions, 16·7 per minute; consumption, 87 tons, and speed 320 knots per day. The consumption of coal per day in the Asia (Cunard line) was, on an average, 76 tons, and her speed with this consumption 303 knots per day.