Helix Selector - N
Selecting a Helix
With many helix options, we make selection easy. Depending on your starting information, use the links below to select your perfect N scale helix.
Browse by Vertical Rise
If you know the vertical rise you need, click here for a step-by-step selection of helix kits that fit your layout...
1 track helix solutions...(Step 1 of 4)
2 track helix solutions...(Step 1 of 4)
Browse by Radius
If you know the radius you need, use these links to select your optimal helix...
Browse by Radius for N scale 1 track
Browse by Radius for N scale 2 track
Browse by Grade
If you know the grade you need, use these links to select your optimal helix...
Browse by Grade for N scale 1 track
Browse by Grade for N scale 2 track
Helix Information
Like to learn more about choosing the best radius and grade for your layout location?
Our easy to use, step-by-step Helix Information Page will help. We explain key terminology so everything is clear and we guide you through the process of gathering essential information to design the perfect helix for your layout
Take me to the Helix Information Page !!
How much helix will fit in my space?
Double check your helix space dimensions before finalizing your helix kit selection.
Every helix, is slightly larger than the radius of the outermost track on the helix. For example, our 15" single track helix requires a minimum footprint of 33" x 33". Check out our table of minimum space requirements:
N Scale 1 track helix minimum space requirements
N Scale 2 track helix minimum space requirements
Double Check Your Helix Selection...!
PMR helix’s are cut specifically for your order and cannot be restocked! If you have any questions about selecting your helix or need any additional information, please contact us and we'll be happy to assist you. Unlike many other businesses, we believe firmly in helping our customers get the best possible results!!
Click this link to go to the PMR Contact US page.
Please note that we require a minimum of 10 business days to cut and process your order before it is shipped. We appreciate your understanding and patience as we ensure that your items are prepared with care.
Helpful Links:
NRail: https://www.nrail.org