Mainline Railways was a British model railway brand that operated between 1976 and 1983, introduced by Palitoy, the...
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What was the Mainline Railways company?Read more -
What is a Wickham Trolley?Read moreA Wickham Trolley is a small railway maintenance vehicle once widely used across Britain's railways. Built by D...
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What was the Bachmann 'Blue Riband' subbrand ?Read moreThe Blue Riband subbrand was a significant step in the evolution of Bachmann Branchline, the UK division of Bachmann...
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Do I need to apply a camber to a tight curve of track on my layout?Read moreApplying a camber to a tight curve of track on your model railway layout can help improve the realism and operation...
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Avoiding the "Toy Train Look": Realistic Track ArrangementsRead moreA well-designed model railway is more than just a collection of tracks and trains: it’s a miniature world that...
What is meant by the term Co-Co Locomotive ?
The term "Co-Co" refers to a specific wheel arrangement used in locomotives. In this arrangement, each Locomotive has two bogies, each in turn having three axles, with each axle powered by its own electric or diesel motor. The term "Co-Co" comes from the UIC classification used to describe this arrangement, where "C" represents three consecutive pairs of driving wheels and "o" indicates that each axle is driven by its own dedicated traction motor.
Co-Co locomotives are commonly used in heavy freight and mainline services due to their high tractive effort and ability to distribute weight evenly over the wheels. This arrangement provides good traction and allows for efficient power delivery to the tracks, making them suitable for hauling heavy loads over long distances.
One example of a Co-Co locomotive is the British Rail Class 47, which was widely used in the UK for both passenger and freight services. This locomotive had a Co-Co wheel arrangement and was powered by a diesel engine. It was a familiar sight on the British railway network for many years.
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