KitHelix™ N scale, 2 track, 20.0"/2.30%, 22.0"/2.09%, 7 turns Helix upgrade spiral direction:Clockwise is upgrade

KitHelix™ N scale, 2 track, 20.0"/2.30%, 22.0"/2.09%, 7 turns Helix upgrade spiral direction:Clockwise is upgradeThis helix rises 2 7 8" per turn and has a maximum rise of 20 1 4". Available exit points in the top loop of this helix are at the following vertical rises: 6 1 8 turns: 17 3 4", 6 1 4 turns: 18 1 8", 6 3 8 turns: 18 3 8", 6 1 2 turns: 18 3 4", 6 5 8 turns: 19 1 8", 6 3 4 turns: 19 1 2", 6 7 8 turns: 19 7 8", 7 turns: 20 1 4" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more

7 5/8 turns: 20 5/8"

This helix rises 2 5/8" per turn and has a maximum rise of 18 3/8"

1 7/8 turns: 6 5/8"

6 1/4 turns: 18 7/8"

2 5/8 turns: 10 3/8"

This helix rises 3 1/16" per turn and has a maximum rise of 24 1/2"

6 3/8 turns: 21 7/8"

4 5/8 turns: 16 7/8"

7 7/8 turns: 23 7/8"

1 7/8 turns: 8 5/8"

This helix rises 2 13/16" per turn and has a maximum rise of 25 1/8"

5 3/4 turns: 21 5/8"