gauge is the distance between the rails. It is considered the smallest
practical ride on gauge for track laid on the ground. I have seen
balance on 3.5" gauge ground track but its not for the faint hearted.
5" gauge is also the largest size that can be easily transported around
with out the need for ramps, winches and lifts. A drivng truck and
locomotive will fit in the boot of most small to medium sized cars.
Our range of locomotives have been designed around fitting in two good
sized car batteries. These should last most people a days running with
out the need to charge. Even under the most demanding non stop public hauling of
12+ people we haven't seen batteries run out in under two and a half