(...) Using a catenary supply, you have (effectively) 0V at the rails, and +9V..-9V overhead for forward / reverse. So +9V gives you forward. Whichever way the train is facing, it'll go forward. Two trains on the same track facing in opposite (...) (24 years ago, 15-Mar-01, to lugnet.trains)
In lugnet.trains, Ross Crawford writes: <snip> You are correct, sir. Thank you for clearing up that misconception! ++Lar (24 years ago, 15-Mar-01, to lugnet.trains)