30a: 41.1 tonnes (40.5 long tons; 45.3 short tons), 30b: 42.9 tonnes (42.2 long tons; 47.3 short tons), 30c: 43.9 tonnes (43.2 long tons; 48.4 short tons)
Total weight
30a: 95.8 tonnes (94.3 long tons; 105.6 short tons), 30b: 100.5 tonnes (98.9 long tons; 110.8 short tons), 30c: 109.5 tonnes (107.8 long tons; 120.7 short tons)
The NSB class 30 was a 4-6-0tendersteam locomotive formerly used in Norway by Norwegian State Railways. The class 30 engines were an upsized version of the NSB Class 45 engines. Class 30 locomotives were originally intended for use on the Dovre Line, but they were employed throughout the Norwegian rail network. The first of these engines were produced in 1914, the last in 1939.
Under the Whyte notation for the classification of steam locomotives by wheel arrangement, 4-6-0 represents the configuration of four leading wheels on two axles in a leading bogie, six powered and coupled driving wheels on three axles and no trailing wheels. In the mid 19th century, this wheel arrangement became the second most popular configuration for new steam locomotives in the United States of America, where this type is commonly referred to as a Ten-wheeler.As a locomotive pulling trains of lightweight all wood passenger cars in the 1890-1920s, it was exceptionally stable at near 100 mph speeds on the New York Central's New York to Chicago Water Level Route and on the Reading Railroad's Camden to Atlantic City, NJ, line. As passenger equipment grew heavier with all steel construction, heavier locomotives replaced the Ten Wheeler.
A tender or coal-car is a special rail vehicle hauled by a steam locomotive containing its fuel and water. Steam locomotives consume large quantities of water compared to the quantity of fuel, so their tenders are necessary to keep them running over long distances. A locomotive that pulls a tender is called a tender locomotive. Locomotives that do not have tenders and carry all their fuel and water on board the locomotive (itself) instead are called tank locomotives.
A steam locomotive is a type of railway locomotive that produces its pulling power through a steam engine. These locomotives are fueled by burning combustible material – usually coal, wood, or oil – to produce steam in a boiler. The steam moves reciprocating pistons which are mechanically connected to the locomotive's main wheels (drivers). Both fuel and water supplies are carried with the locomotive, either on the locomotive itself or in wagons (tenders) pulled behind.
A total of 45 type 30 engines were completed by Thune which produced 22 engines, and NMI[clarification needed] which produced 23 engines. The type 30 was produced in three versions. Class 30a had four cylinder high pressure engine, while class 30b and 30c were compound engines. 18 units were made of the lightest version the 30a (numbered 256-258, 271-282, and 316-318), there were 23 units of the 30b (numbered 346-368), while 4 units were made of the heaviest version, the 30c (numbered 466 to 469). The last class 30 engines were withdrawn from service in 1969. However, engine no. 271 was preserved by the Norwegian Railway Club, and has been used by their department Norsk Museumstog for heritage trains on lines like the Rauma Line.
Thunes Mekaniske Værksted A/S, Thune for short, was a Norwegian manufacturing company that among other things built locomotives. The production facilities were last located at Skøyen.
The Norwegian Railway Club is an association which is involved in the preservation of Norwegian museum railways. NMT has its operating base at Hønefoss Station in Ringerike, Norway. The society was founded on 22 May 1969, and is based at Bryn Station in Oslo, but with local groups all over the country. It publishes the magazine På Sporet four times a year, as well as publishing numerous books. The club also operates two heritage railways, the Old Voss Line in Bergen, and the Krøder Line. Most of the work is done by volunteers.
Incident
Two NSB class 30b engines, no. 364 and no. 365, double-headed to haul one of the trains involved in the Nidareid train disaster in 1921.
The Nidareid train disaster was a train collision on 18 September 1921 on the Trondhjem–Støren Line railway line, between the stations of Marienborg and Skansen in Trondheim, Norway. The accident occurred the day after the inauguration of the new line to Trondheim, Dovre Line, and one of the trains involved was the inaugural train returning from the celebrations in Trondheim. Six people were killed in the crash, the first serious passenger train accident in Norway.
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