My model railway club has a modular exhibition layout that has 2 tracks (Up and Down) from end to end. The current set up has 2 sliding transversers to catch the trains at each end. When we run this at exhibitions, we find there's a lot of issues.
We need 5 operators just to keep trains flowing ( 2 at each end - 1 to manually change engines/brake vans, 1 to coordinate the receipt and dispatch of trains plus another in the middle operating the large station model.)
We also find that the constant handling of stock under pressure causes damage. As members provide the stock, we need to improve things.
The layout is fully DCC and uses exclusively Digitrax kit. It's got a full DCC set-up including block detection, power districts, automatic signals and point control with live frogs.
What I'm thinking about is to build a balloon track for each end. This will join the Up to the Down track so a train can travel directly from one to the other without any handling. To create operational interest at an exhibition, I propose to put a number of points in the balloon loop so we can store trains and release different ones.
Before embarking on building the first one, there's a number of questions I have.
Will I require an auto-reverser for this set-up? (We already have a spare Digitrax AR-1 and there's spare power districts on the PM422 that could be used if suuitable).
If I have an auto-reverser, what will be the impact on other trains already sitting in the balloon loop - will they suddenly also reverse direction or change direction when next started?
Anything else I might be missing?
The objective is to reduce the number of operators required - I believe using this approach could mean that just 1 or 2 could keep the trains running. It also would reducr greatly any handling issues.
I appreciate there's other ways to 'skin this cat'. Sector plates might help but wouldn't reduce the number of operators below 3.