KitHelix™ N scale, 2 track, 21.0"/2.70%, 23.0"/2.47%, 6 turns Helix upgrade spiral direction:CounterClockwise is upgrade

KitHelix™ N scale, 2 track, 21.0"/2.70%, 23.0"/2.47%, 6 turns Helix upgrade spiral direction:CounterClockwise is upgradeThis helix rises 3 9 16" per turn and has a maximum rise of 21 3 8". Available exit points in the top loop of this helix are at the following vertical rises: 5 1 8 turns: 18 1 4", 5 1 4 turns: 18 3 4", 5 3 8 turns: 19 1 8", 5 1 2 turns: 19 5 8", 5 5 8 turns: 20 ", 5 3 4 turns: 20 1 2", 5 7 8 turns: 20 7 8", 6 turns: 21 3 8" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more

This helix rises 3 1/16" per turn and has a maximum rise of 15 1/4"

2 7/8 turns: 9 1/8"

Included in this kit:

5 3/8 turns: 16 5/8"

Available exit points in the top loop of this helix are at the following vertical rises: 2 1/8 turns: 10 1/2"

9 1/4 turns: 23 7/8"

This helix rises 4 1/2" per turn and has a maximum rise of 9"

4 1/4 turns: 20 1/4"

7 1/4 turns: 21 1/2"

This helix rises 3 11/16" per turn and has a maximum rise of 25 3/4"

5 1/2 turns: 15 5/8"

2 1/4 turns: 11 1/2"