KitHelix™ N scale, 2 track, 21.0"/2.30%, 23.0"/2.10%, 6 turns Helix upgrade spiral direction:Clockwise is upgrade

KitHelix™ N scale, 2 track, 21.0"/2.30%, 23.0"/2.10%, 6 turns Helix upgrade spiral direction:Clockwise is upgradeThis helix rises 3 1 16" per turn and has a maximum rise of 18 1 4". Available exit points in the top loop of this helix are at the following vertical rises: 5 1 8 turns: 15 1 2", 5 1 4 turns: 15 7 8", 5 3 8 turns: 16 1 4", 5 1 2 turns: 16 3 4", 5 5 8 turns: 17 1 8", 5 3 4 turns: 17 1 2", 5 7 8 turns: 17 7 8", 6 turns: 18 1 4" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more

3 5/8 turns: 17 3/4"

6 1/4 turns: 21 1/2"

6 5/8 turns: 20 1/2"

4 3/4 turns: 13 3/8"

4 5/8 turns: 17 1/4"

8 3/8 turns: 23 3/4"

5 1/4 turns: 15 1/2"

7 turns: 19 1/4"

4 1/4 turns: 14 3/4"

This helix rises 3 1/8" per turn and has a maximum rise of 12 5/8"

Available exit points in the top loop of this helix are at the following vertical rises: 3 1/8 turns: 9 3/4"

This helix rises 2 15/16" per turn and has a maximum rise of 23 3/8"