Construction of a model railroad helix – Time-lapse [Trainroom]
You find the tutorial video here:
This video shows the construction of the first Helix on the layout in a time-lapse. The helix is constructed to get the trains 18 cm up. The helix is approx 1.4 m wide.
I use a hexagonal approximation instead of a round one.
The construction time was around 14 h.