KitHelix™ N scale, 2 track, 18.5"/2.60%, 20.5"/2.35%, 2 turns Helix upgrade spiral direction:Clockwise is upgrade

KitHelix™ N scale, 2 track, 18.5"/2.60%, 20.5"/2.35%, 2 turns Helix upgrade spiral direction:Clockwise is upgradeThis helix rises 3 " per turn and has a maximum rise of 6". Available exit points in the top loop of this helix are at the following vertical rises: 1 1 8 turns: 3 3 8", 1 1 4 turns: 3 3 4", 1 3 8 turns: 4 1 8", 1 1 2 turns: 4 1 2", 1 5 8 turns: 4 7 8", 1 3 4 turns: 5 1 4", 1 7 8 turns: 5 5 8", 2 turns: 6 " Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate. Precision cut

1 1/4 turns: 3 1/8"

This helix rises 3 11/16" per turn and has a maximum rise of 18 1/2"

This helix rises 3 1/16" per turn and has a maximum rise of 21 5/8"

Available exit points in the top loop of this helix are at the following vertical rises: 3 1/8 turns: 10 3/4"

2 turns: 6 3/4"

7 7/8 turns: 24 3/8"

9 5/8 turns: 24 3/4"

3 3/4 turns: 13 1/2"

4 turns: 13 "

Available exit points in the top loop of this helix are at the following vertical rises: 5 1/8 turns: 16 3/8"

7 turns: 19 5/8"

6 1/2 turns: 20 3/4"