The ship was equipped with a schooner rig with a surface area of 540 square meters.[3] The propulsion system was rated at 1,200 indicated horsepower (890 kW) and a top speed of 10 knots (19 km/h; 12 mph), though on trials, Arminius reached 1,440 ihp (1,070 kW) and 11.2 kn (20.7 km/h; 12.9 mph). The ship carried 171 t (168 long tons; 188 short tons) of coal, which enabled a range of 2,000 nautical miles (3,700 km; 2,300 mi) at a cruising speed of 8 kn (15 km/h; 9.2 mph).[1]