NZR Ka Class
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NZR Ka Class
The NZR KA class of 1939 was a class of mixed traffic 4-8-4 steam locomotives that operated on New Zealand's railway network. They were built after the success of the K class to meet the increasing traffic demands of the New Zealand Railways Department. The locomotives first appeared with distinctive streamlining, mainly to hide their ACFI feedwater heater systems. History Following the success of the K class, there was a need for more similar locomotives in the North Island. The new locomotives incorporated a number of improvements, including a re-designed plate frame to eliminate the cracking issues the K class were experiencing; roller bearings on all wheels; hydrostatic lubrication throughout; and the inclusion of the ACFI feedwater heater system as pioneered by K 919. As the ACFI equipment was criticised for its aesthetic appearance, it was obscured with shrouding fitted to both the KA class and contemporary KB class. Building of the locomotives commenced in 1939, jus ...
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Hutt Workshops
The Hutt Railway Workshops is a major railway engineering facility in the Lower Hutt suburb of Gracefield in the Wellington region of New Zealand's North Island. It is state-owned enterprise KiwiRail's only workshops, and was opened in 1930. This facility is the central motive power maintenance operation and also maintains rolling stock. History Predecessor The Hutt Workshops were preceded by a workshops at Petone, adjacent to the railway station. It operated from 1876 when first used to store the H-class "Fell" locomotives until its replacement in 1929. Decision to move In the 1920s, the problems caused by the inadequacy of some railway workshop facilities was becoming more acute. In order to examine the issue, a Royal Commission was established in 1924 consisting of English railwaymen Sir Sam Fay and Sir Vincent Raven. One recommendation of their report read: "In the North Island the shops at Napier, Whangarei, and East Town, so far as locomotive work is concerne ...
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Interislander
Interislander is a road and rail ferry service across New Zealand's Cook Strait, between Wellington in the North Island and Picton in the South Island. It is owned and operated by state-owned rail operator KiwiRail. Three roll-on roll-off (RORO) vessels operate the route, taking about three hours to complete the crossing. The inter-island rail ferry service began in August 1962 by the New Zealand Railways Department (NZR). The service primarily provided a RORO rail link between its North and South Island networks, allowing NZR to compete directly with coastal shipping companies for inter-island freight. It also provided the first RORO road link between the two islands, which saw the Wellington to Picton ferries compete with, and then completely replace, the Union Company's Wellington– Lyttelton ferry service. Today, the Interislander service is still well patronised despite competition on the Wellington–Picton sea route with Bluebridge and from airlines, carrying around ...
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Midland Line, New Zealand
The Midland line is a 212 km section of railway between Rolleston and Greymouth in the South Island of New Zealand. The line features five major bridges, five viaducts and 17 tunnels, the longest of which is the Otira tunnel. It is the route of the popular TranzAlpine passenger train. History Railway development in the South Island in the 1870s was concentrated on a main line linking the established centres of Christchurch, Timaru, Dunedin and Invercargill and light, easily constructed branch lines serving the arable plains; (see Vogel Era). These later included a branch to Springfield which was reached by January 1880. In 1882 the East and West Coast Railway League was formed and in 1884 a Royal Commission, although fully aware of the construction difficulties of the Waimakariri Valley-Arthurs Pass route, as compared with the somewhat easier but longer Hurunui Valley-Harpers Pass route, chose the more direct route. The construction of the line was rejected in 1883 ...
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Stratford–Okahukura Line
The Stratford–Okahukura Line (SOL) is a secondary railway line in the North Island of New Zealand, between the Marton - New Plymouth Line (MNPL) and the North Island Main Trunk (NIMT) Railway, with 15 intermediate stations. It is long through difficult country, with 24 tunnels, 91 bridges and a number of sections of 1 in 50 (2 %) grade. Near Okahukura there is an unusual combined road-rail bridge over the Ongarue River, with the one-lane road carriageway below the single rail track. The line is not currently in service for rail traffic and is under a 30-year lease for a tourist venture. In July 2019 KiwiRail's CEO stated that reopening the line was a priority. Minister of Transport Michael Wood announced the government's 10-year plan for rail investment on 6 May 2021, which specifically stated that plans could include re-opening the Stratford to Okahukura line. Construction Original construction The line from Stratford to Whangamōmona (of about ) was authorised by t ...
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Napier, New Zealand
Napier ( ; mi, Ahuriri) is a city on the eastern coast of the North Island of New Zealand and the seat of the Hawke's Bay Region, Hawke's Bay region. It is a beachside city with a Napier Port, seaport, known for its sunny climate, esplanade lined with Araucaria heterophylla, Norfolk Pines and extensive Art Deco architecture. Napier is sometimes referred to as the "Nice of the Pacific Ocean, Pacific". The population of Napier is about About south of Napier is the inland city of Hastings, New Zealand, Hastings. These two neighbouring cities are often called "The Bay Cities" or "The Twin Cities" of New Zealand, with the two cities and the surrounding towns of Havelock North and Clive, New Zealand, Clive having a combined population of . The City of Napier has a land area of and a population density of 540.0 per square kilometre. Napier is the nexus of the largest wool centre in the Southern Hemisphere, and it has the primary export seaport for northeastern New Zealand – which ...
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Palmerston North - Gisborne Line
Palmerston may refer to: People * Christie Palmerston (c. 1851–1897), Australian explorer * Several prominent people have borne the title of Viscount Palmerston ** Henry Temple, 1st Viscount Palmerston (c. 1673–1757), Irish nobleman and British politician ** Henry Temple, 2nd Viscount Palmerston (1739–1802), British politician ** Henry John Temple, 3rd Viscount Palmerston (1784–1865), British foreign minister and Prime Minister * Charles P. Anderson (1865–1930), Canadian bishop Places Australia * County of Palmerston, a cadastral division in the Northern Territory * Palmerston, the name used for Darwin, Northern Territory prior to 1911 * Palmerston, Northern Territory, a city near Darwin in Australia * Palmerston, Australian Capital Territory, a suburb of Canberra, Australia * Palmerston, Queensland, a locality in the Cassowary Coast Region, Australia ** East Palmerston, Queensland, a locality in the Cassowary Coast Region, Australia * Cape Palmerston, Queensla ...
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North Island Main Trunk Railway
The North Island Main Trunk (NIMT) is the main railway line in the North Island of New Zealand, connecting the capital city Wellington with the country's largest city, Auckland. The line is long, built to the New Zealand rail gauge of and serves the large cities of Palmerston North and Hamilton. Most of the NIMT is single track with frequent passing loops, but has double track - * between Wellington and Waikanae, except for of single-track through tunnels between North Junction ( from Wellington) and South Junction, ( from Wellington), on the Pukerua Bay to Paekakariki section, * between Hamilton and Te Kauwhata (except for the single-track Waikato River Bridge at Ngāruawāhia), and * between Meremere and Auckland Britomart. Around (approximately 65%) of the line is electrified in three separate sections: one section at 1600 V DC between Wellington and Waikanae, and two sections at 25 kV AC: between Palmerston North and Te Rapa (Hamilton) and between Papakura and Au ...
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Otahuhu Workshops
Otahuhu Railway Workshops were a major rolling stock construction, maintenance and repair facility operated by the New Zealand Railways Department (NZR), in the south Auckland suburb of Otahuhu in New Zealand's North Island. The workshops were opened in 1928 and were closed in 1992 as part of a rationalisation of workshop facilities throughout the country. Otahuhu Workshops were built following a report that highlighted the inadequacies of the Newmarket Workshops, the central Auckland facility that the Otahuhu Workshops replaced. Originally it was proposed that Otahuhu would carry out locomotive work and Wellington's Hutt Workshops would be the Car and Wagon Workshop. This was reversed when it was found that the land on which Otahuhu was to be built was not suitable for the heavy machinery required for locomotive work. Though officially a Car and Wagon Shop, Otahuhu did some repair and maintenance work on steam and diesel locomotives and railcars. History NZR called for t ...
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3 KA's 963, 932, 964 Streamlined At Paekakariki
3 (three) is a number, numeral and digit. It is the natural number following 2 and preceding 4, and is the smallest odd prime number and the only prime preceding a square number. It has religious or cultural significance in many societies. Evolution of the Arabic digit The use of three lines to denote the number 3 occurred in many writing systems, including some (like Roman and Chinese numerals) that are still in use. That was also the original representation of 3 in the Brahmic (Indian) numerical notation, its earliest forms aligned vertically. However, during the Gupta Empire the sign was modified by the addition of a curve on each line. The Nāgarī script rotated the lines clockwise, so they appeared horizontally, and ended each line with a short downward stroke on the right. In cursive script, the three strokes were eventually connected to form a glyph resembling a with an additional stroke at the bottom: ३. The Indian digits spread to the Caliphate in the 9th ...
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Walschaerts Valve Gear
The Walschaerts valve gear is a type of valve gear used to regulate the flow of steam to the pistons in steam locomotives, invented by Belgium, Belgian railway mechanical engineering, engineer Egide Walschaerts in 1844. The gear is sometimes named without the final "s", since it was incorrectly patented under that name. It was extensively used in steam locomotives from the late 19th century until the end of the steam era. History The Walschaerts valve gear was slow to gain popularity. The Stephenson valve gear remained the most commonly used valve gear on 19th-century locomotives. However, the Walschaerts valve gear had the advantage that it could be mounted entirely on the outside of the locomotives, leaving the space between the locomotive frame, frames clear and allowing easy access for service and adjustment, which resulted in it being adopted in some articulated locomotives. The first locomotive fitted with the Walschaerts valve gear was built at the Belgian Tubize worksh ...
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Baker Valve Gear
After about 1910, the Baker valve gear was the main competitor to Walschaerts valve gear for steam locomotives in the United States. Strictly speaking it was not a valve gear but a variable expansion mechanism adapted to the Walschaerts layout replacing the expansion link and sliding die block. The Baker arrangement used more pivot bearings or ''pin joints'', but avoided the die slip inherent to the expansion link, with the aim of lessening wear and the need for service; it could also facilitate longer valve travel. History In the early 1900s there were many efforts to create a new valve gear to replace the by-then-standard Walschaerts valve gear. In the United States the Young, Southern, Caprotti and Franklin patterns were used on a few classes, but only the Baker pattern won more than limited acceptance. The design originated in the A.D. Baker Company, of Swanton, Ohio; a builder of steam traction engines. The idea came from an employee called Gifford but was developed by ...
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Pennsylvania
Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, Maryland to its south, West Virginia to its southwest, Ohio to its west, Lake Erie and the Canadian province of Ontario to its northwest, New York to its north, and the Delaware River and New Jersey to its east. Pennsylvania is the fifth-most populous state in the nation with over 13 million residents as of 2020. It is the 33rd-largest state by area and ranks ninth among all states in population density. The southeastern Delaware Valley metropolitan area comprises and surrounds Philadelphia, the state's largest and nation's sixth most populous city. Another 2.37 million reside in Greater Pittsburgh in the southwest, centered around Pittsburgh, the state's second-largest and Western Pennsylvania's largest city. The state's su ...
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