KitHelix™ N scale, 1 track, 17.5"/2.40%, 9 turns Helix upgrade spiral direction:Clockwise is upgrade

KitHelix™ N scale, 1 track, 17.5"/2.40%, 9 turns Helix upgrade spiral direction:Clockwise is upgradeThis helix rises 2 5 8" per turn and has a maximum rise of 23 3 4". Available exit points in the top loop of this helix are at the following vertical rises: 8 1 8 turns: 21 1 2", 8 1 4 turns: 21 3 4", 8 3 8 turns: 22 1 8", 8 1 2 turns: 22 3 8", 8 5 8 turns: 22 3 4", 8 3 4 turns: 23 1 8", 8 7 8 turns: 23 3 8", 9 turns: 23 3 4" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more

3 turns: 7 3/4"

Included in this kit:

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

5 7/8 turns: 18 1/8"

7 3/4 turns: 22 1/2"

8 turns: 22 "

6 3/4 turns: 19 "

Kit pieces designed to fit only one way reducing the risk of incorrect assembly

The DoubleHelix™ for set-track and flex-track

This helix rises 2 9/16" per turn and has a maximum rise of 25 7/8"

7 1/2 turns: 22 3/8"

7 3/8 turns: 21 1/8"