KitHelix™ N scale, 1 track, 19.5"/2.50%, 3 turns Helix upgrade spiral direction:Clockwise is upgrade

KitHelix™ N scale, 1 track, 19.5"/2.50%, 3 turns Helix upgrade spiral direction:Clockwise is upgradeThis helix rises 3 1 16" per turn and has a maximum rise of 9 1 4". Available exit points in the top loop of this helix are at the following vertical rises: 2 1 8 turns: 6 1 2", 2 1 4 turns: 6 7 8", 2 3 8 turns: 7 1 4", 2 1 2 turns: 7 5 8", 2 5 8 turns: 8 ", 2 3 4 turns: 8 3 8", 2 7 8 turns: 8 3 4", 3 turns: 9 1 4" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

2 1/2 turns: 7 1/2"

Available exit points in the top loop of this helix are at the following vertical rises: 5 1/8 turns: 15 1/4"

This helix rises 3 3/8" per turn and has a maximum rise of 6 3/4"

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

6 5/8 turns: 18 3/8"

This helix rises 3 5/16" per turn and has a maximum rise of 19 3/4"

3 7/8 turns: 12 3/4"

6 5/8 turns: 22 3/4"

Available exit points in the top loop of this helix are at the following vertical rises: 3 1/8 turns: 11 1/8"

This helix rises 3 7/16" per turn and has a maximum rise of 6 7/8"

1 1/2 turns: 5 1/4"

8 turns: 23 1/2"