KitHelix™ N scale, 2 track, 19.5"/2.40%, 21.5"/2.18%, 7 turns Helix upgrade spiral direction:CounterClockwise is upgrade

KitHelix™ N scale, 2 track, 19.5"/2.40%, 21.5"/2.18%, 7 turns Helix upgrade spiral direction:CounterClockwise is upgradeThis helix rises 2 15 16" per turn and has a maximum rise of 20 5 8". Available exit points in the top loop of this helix are at the following vertical rises: 6 1 8 turns: 18 ", 6 1 4 turns: 18 3 8", 6 3 8 turns: 18 3 4", 6 1 2 turns: 19 1 8", 6 5 8 turns: 19 1 2", 6 3 4 turns: 19 7 8", 6 7 8 turns: 20 1 4", 7 turns: 20 5 8" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more

8 5/8 turns: 23 1/4"

9 3/8 turns: 24 3/8"

5 1/4 turns: 20 1/4"

1 3/8 turns: 4 3/4"

2 3/4 turns: 7 1/8"

4 7/8 turns: 15 "

7 7/8 turns: 24 3/8"

Available exit points in the top loop of this helix are at the following vertical rises: 5 1/8 turns: 17 7/8"

6 1/2 turns: 21 3/4"

3 1/2 turns: 12 3/4"

5 turns: 17 1/8"

Available exit points in the top loop of this helix are at the following vertical rises: 4 1/8 turns: 14 1/8"