Powerful Class Cruiser - Trials

Trials

Ship Date 4 hours
forced draught
30 hours
natural draught
Source
Powerful 1896 25,866 ihp 21.8 kn (40.4 km/h)
18,433 ihp 20.6 kn (38.2 km/h) Janes 1900
Terrible 1897 25,572 ihp 22.4 kn (41.5 km/h) 18,493 ihp 20.96 kn (38.82 km/h) Janes 1900

Terrible 1898 Trials

  • 60 hours at 1/5 power (20 boilers) 5084 ihp = 12.8 kn (23.7 km/h)
  • 68 hours at 2/5 power 10,246 ihp = 17 kn (31 km/h)
  • 60 hours at 3/5 power 15,554 ihp = 19.6 kn (36.3 km/h)
  • 60 hours at 3/4 power 18,515 ihp = 20.3 kn (37.6 km/h)
  • 8 hours (22,000 ihp nominal) = 23,053 ihp = 20.7 kn (38.3 km/h)
  • 4 hours at full power = 25,513 ihp = 21.9 kn (40.6 km/h)

December 1898 sea trip, Portsmouth to Gibraltar, 12,500 ihp = 18 kn (33 km/h) average. Gibraltar to Malta, average 21.5 kn (39.8 km/h).

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