KitHelix™ N scale, 2 track, 19.0"/2.50%, 21.0"/2.26%, 4 turns Helix upgrade spiral direction:CounterClockwise is upgrade

KitHelix™ N scale, 2 track, 19.0"/2.50%, 21.0"/2.26%, 4 turns Helix upgrade spiral direction:CounterClockwise is upgradeThis helix rises 3 " per turn and has a maximum rise of 12". Available exit points in the top loop of this helix are at the following vertical rises: 3 1 8 turns: 9 3 8", 3 1 4 turns: 9 3 4", 3 3 8 turns: 10 1 8", 3 1 2 turns: 10 1 2", 3 5 8 turns: 10 7 8", 3 3 4 turns: 11 1 4", 3 7 8 turns: 11 5 8", 4 turns: 12 " Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

Available exit points in the top loop of this helix are at the following vertical rises: 6 1/8 turns: 20 5/8"

Instructive track markings and access holes for easy wiring and assembly

This helix rises 3 13/16" per turn and has a maximum rise of 23"

4 1/2 turns: 12 1/4"

3 turns: 8 5/8"

8 turns: 21 5/8"

10 turns: 25 1/2"

7 1/4 turns: 23 1/4"

6 3/4 turns: 18 1/2"

7 5/8 turns: 22 3/8"

5 5/8 turns: 17 1/8"

7 3/8 turns: 21 7/8"