Several factors can influence the choice of primer colour for a model:Desired topcoat colour: the colour of the...
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What factors will influence my choice of primer colour?Read more -
What are the advantages of using track screws to secure track to a baseboard?Read moreUsing track screws to secure track to a baseboard has several advantages :It provides a secure and stable...
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What is the Hornby Zero One system?Read moreIntroduced in 1979, Hornby's 'Zero 1' system could be considered a precursor to today's DCC. The system, although...
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What are photo etched parts?Read morePhoto etched parts are a negative photo image that is placed on to a thin piece of either brass, aluminium or...
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What is an open-top baseboard?Read moreA conventional baseboard for a model railway consists of some legs supporting a wooden framework finished off with a...
How do magnetic couplings work?
Magnetic couplings are popular with many modellers who desire the automatic uncoupling of rolling stock in their sidings or goods yards.
Most magnetic couplings are a type of Janney coupler (knuckle coupler) and can be fitted directly into NEM pockets. The couplings feature a whisker-like curved metal bar that hangs discreetly from the underside of the hinged mechanism. When the coupling passes over a track magnet, the bar is drawn to the side and the coupling releases.
The beauty of this particular design is the coupling cannot release if it's taut against another coupling. That means a train fitted with magnetic couplings can travel over magnets without rolling stock being separated. To uncouple, the train must first come to a complete stand, thus tension is lost and the coupling can release.
Posted in: Rolling stock
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