Ejector pin marks are small depressions or marks left on a model part after it has been ejected from the mould during...
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What are ejector pin marks and how can I remove them ?Read more -
What is Tri-ang Series 3 track?Read moreThe Tri-ang Series 3 Track refers to a type of model railway track produced by the Tri-ang Railways company. Tri-ang...
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What are the best figures to populate my coaches?Read moreThere are figures on the market designed purely for populating coaches. The ones that spring to mind are the Noch...
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Under what circumstances should I consider using a Capacitor Discharge Unit (CDU) with a Point Motor?Read moreA Capacitor Discharge Unit (CDU) is a device that can be used in conjunction with a point motor in model railways to...
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What is the correct size for trees modelled in OO gauge?Read moreWhen modelling trees in OO gauge (1:76 scale), the correct size depends on the type of tree you are replicating and...
What is the purpose of idler wheels on a tank?
The purpose of idler wheels on a tank is to support the track and maintain its tension. Idler wheels are located at the front or rear of the tank's track system and are typically larger in diameter compared to the other road wheels.
The main function of idler wheels is to guide the track and create tension by applying pressure to the track links. This tension helps to prevent slack in the track, which is important for maintaining proper track alignment and reducing the risk of derailment.
Additionally, idler wheels also help to distribute the weight of the tank evenly across the track, improving traction and reducing wear on the track components. They act as a point of contact between the track and the ground, allowing the tank to move smoothly over various terrains.
In terms of scale modelling, idler wheels are an important detail to consider when building tank models. They can be accurately represented using aftermarket parts or by scratch-building them using suitable materials. Paying attention to the correct placement and alignment of idler wheels can greatly enhance the overall realism of a tank model.
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