TT:120 scale is a popular model railway scale and track gauge used by modellers in the UK and beyond. The 'TT' in...
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What is TT:120 scale?Read more -
What advantages does a motorised track cleaner have over more conventional alternatives?Read moreA motorised track cleaner offers several advantages over more conventional alternatives when it comes to maintaining...
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My PVA glue won't flow from the bottle, should I replace it?Read moreThere is no need to replace the bottle, it is more than likely a build-up of dry glue inside the nozzle. This is a...
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How do I fill gaps in a model?Read moreThere are a couple of different product types you can use to fill gaps on a model, which type you use will depend on...
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What is the best way for beginners to power a model railway?Read moreIf you have never built a model railway before then it may not be obvious how to supply your model railway tracks...
What is feedback on an analogue controller?
Feedback on an analogue controller is a function that detects if your model train is experiencing difficulty climbing a gradient or struggling due to voltage drop, the controller then automatically applies more power to counteract the effects.
It works by detecting the reverse EMF generated by a model's motor when it's under strain and applying more power to compensate. When the strain is no longer present, less reverse EMF is produced and the controller reduces power to match ensuring that the model's speed remains constant. It's a bit like having cruise control for your model train!
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