The OR23 was a
Soviet
The Union of Soviet Socialist Republics. (USSR), commonly known as the Soviet Union, was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 until Dissolution of the Soviet ...
experimental locomotive built in 1949. Its
cylinders
A cylinder () has traditionally been a three-dimensional solid, one of the most basic of curvilinear geometric shapes. In elementary geometry, it is considered a prism with a circle as its base.
A cylinder may also be defined as an infinite ...
were placed above the center
driving axle
On a steam locomotive, a driving wheel is a powered wheel which is driven by the locomotive's pistons (or turbine, in the case of a steam turbine locomotive). On a conventional, non-articulated locomotive, the driving wheels are all coupled tog ...
, and had rods on both ends which transferred power to the wheels. The purpose was to balance the driving forces on the wheels, allowing the counterweights on the wheels to be smaller and reducing
hammer blow
In rail terminology, hammer blow or dynamic augment is a vertical force which alternately adds to and subtracts from the locomotive's weight on a wheel. It is transferred to the track by the driving wheels of many steam locomotives. It is an out-o ...
on the track. The design was a failure and no further examples were built. The locomotive was never used beyond testing and was returned to its builder, the Voroshilovgrad Works, and scrapped sometime afterward.
See also
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History of rail transport in Russia
Russia was and is the largest country in the world. Its geography of north–south rivers and east–west commerce, plus, importantly, the mostly flat terrain, made it very suited to develop railroads as the basic mode of transportation.
Today R ...
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Russian Railway Museum
The Russian Railway Museum is situated next to Baltiysky railway station in Saint Petersburg. The museum was established in 1978, its current site and exhibition opened to public on 1 November 2017. The museum utilizes the nineteenth century ...
,
Saint Petersburg
Saint Petersburg, formerly known as Petrograd and later Leningrad, is the List of cities and towns in Russia by population, second-largest city in Russia after Moscow. It is situated on the Neva, River Neva, at the head of the Gulf of Finland ...
References
Bibliography
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External links
Russian Reforms- Describes this and other Russian locomotive types
ОР23
2-10-4 locomotives
Luhanskteplovoz locomotives
5 ft gauge locomotives
Railway locomotives introduced in 1949
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