3rd & 4th Radius OO Gauge Helix Kits
This 'OO' gauge helix has been designed to suit 3rd & 4th radius 'OO' gauge set track.
Overall diameter: 1235mm (inc tabs)
Width of track bed: 125mm
Rise per turn: 76mm
Material: 6mm MDF
This kit gives you your first complete turn on your double track helix (from baseboard to level o..
Use this to take you up a level, it provides one complete turn per kit.
Increasing the q..
This 1/2 circle provides another 180º turn
This 3/8th Circle Segment kit helps adjust the point of entry or exit accordingly.
This 1/4 Circle Segment kit helps adjust the point of entry or exit accordingly.
This 1/8th Circle Segment kit helps adjust the point of entry or exit accordingly.
Straight sections can be used to enlarge your helix if desired, or if used in conjunction with 1/..
Required to make a smooth transition from the baseboard to the 6mm rise onto the helix and off ag..