Going to document the design and construction of a “TimeSaver”, made famous by John Allen.
Most of this is documented on the http://sdgrs.com web site.
History / what is the Timesaver?
This page is about the classic switching puzzle invented by John Allen, the famous model railroad pioneer.
The trackplan is simple, but has been enjoyed by many people since it’s introduction by John in 1972. The lengths of track and arrangement of switches have been designed to make you have to think about how you move the cars.
Here’s original plan from an article in Model Railroader in 1976: