Staff Projects: Polarity switching

Polarity SWITCHING

In the final part of his three-part garden railway series, MIKE WILD explains how he overcame a complex return loop situation while discovering even greater flexibility could be introduced with a new piece of trackwork and Digital Command Control electronics.

TOOLS

»Pencil

»Steel metre rule

»Mini drill and 1mm drill bit

»Electric drill

»10mm drill bit

»2mm drill bit

»Soldering iron

»Wire cutters

»Wire strippers

»Hammer

»Crosshead screwdriver

»Flat blade electrical screwdriver

SINGLE LINE, DOUBLE TRACK REVERSE LOOP TRACK DIAGRAM
D1061 Western Envoy rumbles across the point work at the junction as a Class 128 parcels railcar heads in the opposite direction. The double slip is controlled by a Hex Frog Juicer for maximum operational value from this junction.
 

DEVELOPING track plans that are interesting to operate is great fun, but every now and then I stumble across a design which creates a new electrical headache. The return loops of my garden railway are just one of those.

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