Here's the beginnings of the basic layout for the track:
It's a fairly simple series of ovals with the outside one rising to go over a bridge. The base is made of three sections each about 1200mm by 660mm so that it can be stored away in a cabinet (yet to be built!). The inclines have been a challenge to think about. Firstly you need to get the gradient right. From looking around the 00 gauge loco's are able to climb a 4% gradient. I've gone for around 3% (50mm over 1500mm). Once I've got some track on them I can test them out to see if it's ok.
To make the inclines I used 3mm hardboard (I used some thin ply first time round but hardboard is a bit easier to bend into shape).
I cut a whole series of pieces to space the two sides apart and glued them in place before creating a card template of the curve.
There's also room for extension at either end if and when we want to add say a boat yard or factory. I'm making provision for extra track by adding some points in strategic places.
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