Queensland D17 class locomotive

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Queensland Railways D17 class
Type and origin
Power typeSteam
Builder Walkers Limited (10)
North Ipswich Railway Workshops (20)
Build date1924-1942
Total produced30
Specifications
Configuration:
​
 •  Whyte 4-6-4T
Gauge 1,067 mm (3 ft 6 in)
Driver dia.4 ft 3 in (1,295 mm)
Fuel typeCoal
Fuel capacity3 t (3.0 long tons; 3.3 short tons)
Water cap1,200 imp gal (5,500 l; 1,400 US gal)
Boiler pressure160 or 170 lbf/in2 (1,103 or 1,172 kPa)
Cylinders 2
Cylinder size 17 in × 22 in (432 mm × 559 mm)
Valve gear Walschaerts
Performance figures
Tractive effort 16,940 or 18,000 lbf (75.35 or 80.07 kN)
Career
Operators Queensland Railways
Numbers26, 47, 53, 56, 60, 75-77, 85, 112-114, 122, 137, 260, 262, 266-269, 853-857, 882-886
Preserved268, 855
Disposition2 preserved, 28 scrapped

The Queensland Railways D17 class locomotive was a class of 4-6-4T steam locomotives operated by the Queensland Railways.

Steam locomotive Railway locomotive that produces its pulling power through a steam engine

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.

Queensland Rail railway operator in Queensland, Australia

Queensland Rail, also known as QR, is a railway operator in Queensland, Australia. Owned by the Queensland Government, it operates suburban and long-distance passenger services, as well as owning and maintaining approximately 6,600 kilometres of track.

Contents

History

Between 1924 and 1926, Walkers Limited and North Ipswich Railway Workshops each built 10 to assist the 6D16 class with increasing suburban traffic. Between 1937 and 1942 a further 10 were built at Ipswich. Per Queensland Railway's classification system they were designated the D17 class, D representing they were a tank locomotive, and the 17 the cylinder diameter in inches. [1] [2] [3]

Walkers Limited Australian locomotive manufacturer

Walkers Limited was an Australian engineering company, based in Maryborough, Queensland. It built ships and railway locomotives. The Walkers factory still produces railway locomotives and rolling stock as part of Downer Rail.

North Ipswich Railway Workshops railway workshops in Queensland, Australia

North Ipswich Railway Workshops is a heritage-listed former Australian railway workshop at North Street, North Ipswich, Queensland. It was built from 1878 to 1980s. It is also known as the Workshops Rail Museum. It was added to the Queensland Heritage Register on 21 April 1997.

The Queensland Railways 6D16 class locomotive was a class of 4-6-2T steam locomotives operated by the Queensland Railways.

They were the only Queensland Railways class to be fitted as a whole, from new, with two sand-domes. They were restricted to the Brisbane suburban area with boundaries of Ipswich, Ferny Grove, Pinkenba, Shorncliffe, Petrie, Kingston and Lota. This area was later extended beyond Ipswich to Grandchester. Initially, all were attached to Mayne depot but later several were transferred to Woolloongabba. [1]

Brisbane capital city of Queensland, Australia

Brisbane is the capital of and the most populated city in the Australian state of Queensland, and the third most populous city in Australia. Brisbane's metropolitan area has a population of approximately 2.5 million, and the South East Queensland metropolitan region, centred on Brisbane, encompasses a population of more than 3.6 million.

Ipswich railway station, Queensland

Ipswich railway station is located on the Main line in Queensland, Australia. It serves the urban centre of Ipswich.

Ferny Grove railway station railway station in Brisbane, Queensland, Australia

Ferny Grove railway station is the terminus station of the Ferny Grove line in Queensland, Australia. It serves the Brisbane suburb of Ferny Grove.

Cylinder and steam chest castings are identical to C17 Class. The ‘6’ was dropped from the classification in 1937. The engines were often unofficially referred to as ‘black tanks’ after the introduction of the DD17 class. Engines constructed in 1937 had boilers with a pressure of 170 pounds-force per square inch (1,172 kPa). Earlier engines were altered to that pressure as they passed through workshops. A wooden crate was fixed to the centre of the bunker to slightly increase the coal capacity from the original 3 long tons (3.0 t; 3.4 short tons).

Queensland C17 class locomotive class of 227 Australian 4–8–0 locomotives

The Queensland Railways C17 class locomotive was a class of 4-8-0 steam locomotives operated by the Queensland Railways.

Queensland DD17 class locomotive class of 12 Australian 4-6-4T locomotives

The Queensland Railways DD17 class locomotive is an old class of 4-6-4T steam locomotives operated by the Queensland Railways.

Coal A combustible sedimentary rock composed primarily of carbon

Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. Coal is mostly carbon with variable amounts of other elements; chiefly hydrogen, sulfur, oxygen, and nitrogen. Coal is formed if dead plant matter decays into peat and over millions of years the heat and pressure of deep burial converts the peat into coal. Vast deposits of coal originates in former wetlands—called coal forests—that covered much of the Earth's tropical land areas during the late Carboniferous (Pennsylvanian) and Permian times.

Engines of this class were some of the last to receive electric headlights due to them being restricted to running in the Brisbane suburban area. Fitting of electric headlights commenced in 1951.

Headlamp vehicle lights

A headlamp is a lamp attached to the front of a vehicle to illuminate the road ahead. Headlamps are also often called headlights, but in the most precise usage, headlamp is the term for the device itself and headlight is the term for the beam of light produced and distributed by the device.

The entire class was displaced from suburban duties by diesels during the 1960s. The first was withdrawn in November 1961 with the bulk of the class withdrawn during 1967 and 1968. [1]

Preservation

Two have been preserved:

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References

  1. 1 2 3 Armstrong, John (1994). Locomotives in the Tropics Volume 2. Brisbane: Australian Railway Historical Society. pp. 71–77. ISBN   9780909937263.
  2. ↑ Turner, Jim (1997). Australian Steam Locomotives 1896-1958. Kenthurst: Kangaroo Press. p. 86. ISBN   086417778X.
  3. ↑ Clark, Peter (2012). An Australian Locomotive Guide. Rosenberg Publishing. p. 45. ISBN   9781921719554.
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