Jan van Amstel-class minesweeper

Werf Gusto, Schiedam and P. Smit Jr., Rotterdam

1937-1961 Netherlands Netherlands 1942-1943 Australia Australia 1940-1945 Nazi German Empire German Empire

467 t

56.8 m

7.8 m

2.2 m

45

2 Yarrow three-drum boiler (three -drum boiler ) and 2 Stork triple - expansion steam engine (1600 hp)

15 kn

1600 nautical miles at 15 knots

110 tonnes of oil

The Jan van Amstel class was a class minesweeper of the Royal Netherlands Navy for use in the Dutch waters in Europe and the East Indies. The ships could be used as a minelayer.

Drive

The ships had two 1600 horsepower Stork triple - expansion steam engines, which were supplied by two Yarrow three-drum boilers with steam and drives the two screws. Steam boilers were operated with oil, this oil reserve of 110 t was on board, enough at full speed for 1600 nautical miles at 11 knots even for 4700 nautical miles. In addition, there was water reserves and a distillation unit with which the feed water is preheated and was purified for the boiler. With cooled boiler you had to pre-heat the boiler four hours before they could leave.

On the ships, there was a 18-member team, headed by the chief engineer to keep running the machine on. By means of an engine-room telegraph was forwarded by the bridge, the desired speed of the engine room. With each change came a loud bell and by means of another engine telegraph confirmed the machine operators the order.

Ships of the class

Originally twelve ships of this type were planned. Of the four ships which were located during the German occupation in World War II under construction, only one was completed. Four of the ships were built in the shipyard Gusto in Schiedam and five in P. Smit Jr., Rotterdam.