KitHelix™ N scale, 1 track, 21.0"/2.80%, 6 turns Helix upgrade spiral direction:CounterClockwise is upgrade

KitHelix™ N scale, 1 track, 21.0"/2.80%, 6 turns Helix upgrade spiral direction:CounterClockwise is upgradeThis helix rises 3 11 16" per turn and has a maximum rise of 22 1 8". Available exit points in the top loop of this helix are at the following vertical rises: 5 1 8 turns: 18 7 8", 5 1 4 turns: 19 3 8", 5 3 8 turns: 19 7 8", 5 1 2 turns: 20 3 8", 5 5 8 turns: 20 3 4", 5 3 4 turns: 21 1 4", 5 7 8 turns: 21 3 4", 6 turns: 22 1 8" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more

This helix rises 2 11/16" 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: 2 1/8 turns: 6 7/8"

3 1/2 turns: 11 1/2"

5 1/2 turns: 17 "

3 1/2 turns: 10 1/4"

6 1/4 turns: 17 1/8"

Available exit points in the top loop of this helix are at the following vertical rises: 7 1/8 turns: 20 "

2 1/2 turns: 7 "

This helix rises 3 3/8" per turn and has a maximum rise of 23 5/8"

6 7/8 turns: 19 3/8"

7 5/8 turns: 20 1/2"

8 3/8 turns: 23 "