Yeovil Town through the shed
Skip Navigation LinksHome > Modelling > Computer Control > Resistor Wheel Sets

Resistor Wheel Sets

When using block control on your layout or when using any other type of train on track indicator, then the most popular technology to use is where the sensor looks for a small current passing through the feed wire.

For DCC this will be the chip that is taking power all the time, even when the train is not moving. For DC there is a need to add a small bias current such that the when loco remains stationary it is pulling a small current and so can be detected.

All this is fine for when the whole of the train is in the same block but if the train is longer than one block and the carraiages have lighting then they will also be detected in the next block but if it has no lighting or its a goods train then you will need to create a small current for at least the last wagon or brake van.

This could be a small LED tail lamp or glowing fire but you will need pickups to make this work. A good way is to convert some or all of your rolling stock to have a resitor wheel set, this You Tube video shows you how;

 

Yeovil Town Station 17 Yeovil Town Station 3 Yeovil Town Station 25 Yeovil Town Station 27 Yeovil Town Station 34 Yeovil Town Station 4 Yeovil Town Station 12 DSCF7651.JPG Yeovil Town Station Yeovil Town Station 2 Yeovil Town Station 5 Yeovil Town Station 14 Yeovil Town Station 1 Yeovil Town Station 8 Yeovil Town Station 30 Yeovil Town Station 35 Yeovil Town Station 26 Yeovil Town Station 11 Yeovil Town Station 16 Yeovil Town Station 28 DSCF7650 Yeovil Town Station 31 Yeovil Town Station 21 Yeovil Town Station 15 Yeovil Town Station 33 Yeovil Town Station 9 Yeovil Town Station 32 Yeovil Town Station 29 Yeovil Town Station 7 Yeovil Town Station 24 Yeovil Town Station 22 Yeovil Town Station 28 Yeovil Town Station 19 Yeovil Town Station 13 Yeovil Town through the shed Yeovil Town Station 10 Yeovil Town Station 18 Yeovil Town Station 6 Yeovil Town Station 20