Cog Locomotive

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A Cog Locomotive is used for mass transit of passengers and/or cargo.

Description (Specifications)[edit]

A Cog Locomotive uses cog wheels or pinions, fitted to an axle, that mesh with a toothed rack rail, usually located between the running rails. This allows it to perform safely on steep gradients where the wheels of conventional friction-based locomotives would slip. Most cog locomotives operate in mountainous regions.

Cog locomotives may be utilized on railroad or monorail networks, where wheel friction and slippage on the rails are concerns. Light rail networks, often constructed in difficult terrain, may utilize cog locomotives.

Image Repository[edit]

  1. Rack and pinion gear, used to assist locomotives on steep gradients.
    Rack and Pinion Gear 01 16 July 2019a.jpg

History & Background (Dossier)[edit]

Early trains used very low beastpower external combustion engines and had immense difficulty dealing with mountainous, high altitude regions. Power diminished at higher altitudes where there is less oxygen and conventional bogey wheels slipped when dealing with steep inclines. The Cog Locomotive was an natural solution to these challenges.

Expected Train Development Sequence[edit]

MACRO LEVEL: TL:1-9:

MACRO LEVEL: TL:10-18

References & Contributors (Sources)[edit]

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This list of sources was used by the Traveller Wiki Editorial Team and individual contributors to compose this article. Copyrighted material is used under license from Far Future Enterprises or by permission of the author. The page history lists all of the contributions.