KitHelix™ N scale, 1 track, 20.5"/2.20%, 7 turns Helix upgrade spiral direction:CounterClockwise is upgrade

KitHelix™ N scale, 1 track, 20.5"/2.20%, 7 turns Helix upgrade spiral direction:CounterClockwise is upgradeThis helix rises 2 13 16" per turn and has a maximum rise of 19 7 8". Available exit points in the top loop of this helix are at the following vertical rises: 6 1 8 turns: 17 3 8", 6 1 4 turns: 17 3 4", 6 3 8 turns: 18 1 8", 6 1 2 turns: 18 3 8", 6 5 8 turns: 18 3 4", 6 3 4 turns: 19 1 8", 6 7 8 turns: 19 1 2", 7 turns: 19 7 8" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more

7 3/4 turns: 21 7/8"

1 3/8 turns: 3 7/8"

6 3/8 turns: 20 7/8"

This helix rises 2 9/16" per turn and has a maximum rise of 23 1/8"

5 7/8 turns: 19 3/8"

This helix rises 3 3/8" per turn and has a maximum rise of 17"

5 turns: 14 3/4"

2 1/4 turns: 7 3/4"

3 1/4 turns: 10 3/4"

1 5/8 turns: 5 5/8"

1 7/8 turns: 7 1/4"

Available exit points in the top loop of this helix are at the following vertical rises: 8 1/8 turns: 21 1/2"