Brick.ie The Irish Association for Adult Fans of LEGO®

At Legoworld Copenhagen the Danish Lug had an ingenious and very effective (100% reliable) system for stopping and reversing trains so that loops were not reuired. THis was particularly useful for Heuston's 'dead-end' layout. I'll post some pics but basically the system works by making an incision into a 9V track to interrupt the flow of power and to bridge the gap electronically with a small 'soldered on' piece of electronics The track only allows power to transfer in one direction, away from the station. After a pre-defined period of time has elapsed the circuit board will switch the polarity and the train can run proprerly out of the station.