This 'N' gauge helix has been designed to suit 3rd & 4th radius 'N' gauge set track.
Overall diameter: 730mm (inc tabs)
Width of track bed: 62mm
Rise per turn: 56mm
Material: 6mm MDF
This kit gives you your first complete turn on your double track helix (from baseboard to level one) it rises to 56mm, resulting in a gentle 2% or ...View full details
This 1/2 circle provides another 180º turn
N Gauge 3rd & 4th Radius This 1/4 Circle Segment kit helps adjust the point of exit from the helix accordingly.