KitHelix™ N scale, 1 track, 18.5"/3.00%, 3 turns Helix upgrade spiral direction:Clockwise is upgrade

KitHelix™ N scale, 1 track, 18.5"/3.00%, 3 turns Helix upgrade spiral direction:Clockwise is upgradeThis helix rises 3 1 2" per turn and has a maximum rise of 10 1 2". Available exit points in the top loop of this helix are at the following vertical rises: 2 1 8 turns: 7 3 8", 2 1 4 turns: 7 7 8", 2 3 8 turns: 8 1 4", 2 1 2 turns: 8 3 4", 2 5 8 turns: 9 1 8", 2 3 4 turns: 9 5 8", 2 7 8 turns: 10 ", 3 turns: 10 1 2" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

Assembly manual complete with images of each step

6 turns: 17 1/4"

Available exit points in the top loop of this helix are at the following vertical rises: 5 1/8 turns: 15 3/8"

Available exit points in the top loop of this helix are at the following vertical rises: 7 1/8 turns: 21 1/2"

8 turns: 24 1/8"

We appreciate your patience as we ensure that your items are prepared with craftsmanship and care

This helix rises 3 1/16" per turn and has a maximum rise of 24 5/8"

4 5/8 turns: 12 "

This helix rises 2 3/4" per turn and has a maximum rise of 24 1/2"

3 turns: 9 3/4"

7 turns: 19 5/8"

6 7/8 turns: 18 3/8"