KitHelix™ N scale, 1 track, 19.0"/2.70%, 3 turns Helix upgrade spiral direction:Clockwise is upgrade

KitHelix™ N scale, 1 track, 19.0"/2.70%, 3 turns Helix upgrade spiral direction:Clockwise is upgradeThis helix rises 3 1 4" per turn and has a maximum rise of 9 5 8". Available exit points in the top loop of this helix are at the following vertical rises: 2 1 8 turns: 6 7 8", 2 1 4 turns: 7 1 4", 2 3 8 turns: 7 5 8", 2 1 2 turns: 8 ", 2 5 8 turns: 8 1 2", 2 3 4 turns: 8 7 8", 2 7 8 turns: 9 1 4", 3 turns: 9 5 8" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

5 5/8 turns: 20 5/8"

7 1/2 turns: 20 "

6 5/8 turns: 19 5/8"

Available exit points in the top loop of this helix are at the following vertical rises: 5 1/8 turns: 15 7/8"

Available exit points in the top loop of this helix are at the following vertical rises: 2 1/8 turns: 7 "

Available exit points in the top loop of this helix are at the following vertical rises: 5 1/8 turns: 13 5/8"

1 7/8 turns: 5 1/8"

Available exit points in the top loop of this helix are at the following vertical rises: 5 1/8 turns: 17 3/8"

4 7/8 turns: 14 "

3 1/2 turns: 9 7/8"

Available exit points in the top loop of this helix are at the following vertical rises: 2 1/8 turns: 5 3/4"

This helix rises 3 1/16" per turn and has a maximum rise of 9 1/4"