D/F ''Rjukanfoss'', prior to 1946 named ''Rjukanfos'', was

steam-powered A steam engine is a heat engine that performs mechanical work using steam as its working fluid. The steam engine uses the force produced by steam pressure to push a piston back and forth inside a cylinder. This pushing force can be tr ...

railway ferry A train ferry is a ship (ferry) designed to carry railway vehicles. Typically, one level of the ship is fitted with railway tracks, and the vessel has a door at the front and/or rear to give access to the wharves. In the United States, train ...

that operated between Mæl and

Tinnoset Tinnoset is a village in the municipality of Notodden in Telemark, Norway. It is located at the southernmost end of Lake Tinn (''Tinnsjå''). Tinnoset Station is the terminus of the Tinnoset Line, a 30-kilometer (19 mi) long railway line ...

on the

Lake Tinn A lake is an area filled with water, localized in a basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, although, like the much larger ...

Norway Norway, officially the Kingdom of Norway, is a Nordic country in Northern Europe, the mainland territory of which comprises the western and northernmost portion of the Scandinavian Peninsula. The remote Arctic island of Jan Mayen and t ...

. Owned by

Norsk Transport Hydro Transport AS was a railway company, railway- and List of ship companies, shipping company responsible for the transport of chemicals from Norsk Hydro Rjukan. A subsidiary of Norsk Hydro, the company was founded in 1907, operations ceased in ...

, she was launched in 1909, expanded in 1946 and decommissioned in 1969.

Specifications

''Rjukanfos'' was the first ferry delivered to Norsk Transport for the

Tinnsjø railway ferry Tinnsjø railway ferry was a Norwegian railway ferry service on Lake Tinn that connected the Rjukan Line and Tinnoset Line. The long ferry trip made it possible for Norsk Hydro to transport its fertilizer from the plant at Rjukan to the port in ...

service. Built by Fevig Jernskibsbyggeri in 1908–09, she was delivered 43 meters (142 ft) long, at 338 gross register tons. There were two parallel

standard gauge A standard-gauge railway is a railway with a track gauge of . The standard gauge is also called Stephenson gauge (after George Stephenson), International gauge, UIC gauge, uniform gauge, normal gauge and European gauge in Europe, and SGR in Ea ...

tracks down the length of the ship, in total , with a single track to loading at the front. The nine railway wagons could hold 240 tonnes, in addition to 120 passengers. She was equipped with two 150 kW (200 hp) steam engines, and capable of 9 knots.Payton and Lepperød, 1995: 82–84Payton and Lepperød, 1995:194 She was rebuilt in 1945–46, changing her name to ''Rjukanfoss''. She was lengthened to 69 meters (225 ft), at 684 gross register tons. The trackage was lengthened to allowing 550 tonnes cargo in 16 cars, and the number of passengers increased to 250. Two new engines were installed, each at 340 kW (450 hp) and automatic coal feeding, giving her a lower coal consumption than SF ''Ammonia''.

Notes

References

* Ships built in Norway Ferries of Norsk Transport 1909 ships Steamships of Norway {{ferry-stub