 The Amiral Charner class had two triple @-@ expansion steam engines , each driving a single propeller shaft . Steam for the engines was provided by 16 Belleville boilers and they were rated at a total of 8 @,@ 300 metric horsepower ( 6 @,@ 100 kW ) using forced draft . Amiral Charner had a designed speed of 19 knots ( 35 km / h ; 22 mph ) and carried up to 535 metric tons ( 527 long tons ; 590 short tons ) of coal that allowed her to steam for 4 @,@ 000 nautical miles ( 7 @,@ 400 km ; 4 @,@ 600 mi ) at a speed of 10 knots ( 19 km / h ; 12 mph ) . 
