KitHelix™ N scale, 1 track, 15.0"/2.90%, 7 turns Helix upgrade spiral direction:Clockwise is upgrade

KitHelix™ N scale, 1 track, 15.0"/2.90%, 7 turns Helix upgrade spiral direction:Clockwise is upgradeThis helix rises 2 3 4" per turn and has a maximum rise of 19 1 8". Available exit points in the top loop of this helix are at the following vertical rises: 6 1 8 turns: 16 3 4", 6 1 4 turns: 17 1 8", 6 3 8 turns: 17 3 8", 6 1 2 turns: 17 3 4", 6 5 8 turns: 18 1 8", 6 3 4 turns: 18 1 2", 6 7 8 turns: 18 3 4", 7 turns: 19 1 8" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more

4 7/8 turns: 13 1/4"

3 5/8 turns: 10 5/8"

6 3/8 turns: 17 1/8"

[1] https://nationalt-traklayout

9 1/4 turns: 24 "

This helix rises 2 13/16" per turn and has a maximum rise of 17"

1 1/4 turns: 3 5/8"

6 turns: 16 3/8"

Spacer Block design includes designated spacer locations for strong support of every loop of the helix

No need to build the helix in place

Proprietary “Single Helix Tile” design

7 3/4 turns: 21 "