KitHelix™ N scale, 2 track, 15.5"/2.90%, 17.5"/2.57%, 9 turns Helix upgrade spiral direction:Clockwise is upgrade

KitHelix™ N scale, 2 track, 15.5"/2.90%, 17.5"/2.57%, 9 turns Helix upgrade spiral direction:Clockwise is upgradeThis helix rises 2 13 16" per turn and has a maximum rise of 25 3 8". Available exit points in the top loop of this helix are at the following vertical rises: 8 1 8 turns: 23 ", 8 1 4 turns: 23 1 4", 8 3 8 turns: 23 5 8", 8 1 2 turns: 24 ", 8 5 8 turns: 24 3 8", 8 3 4 turns: 24 3 4", 8 7 8 turns: 25 1 8", 9 turns: 25 3 8" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

5 7/8 turns: 18 3/4"

Assembly manual complete with images of each step

5 5/8 turns: 16 3/8"

3 turns: 11 5/8"

3 3/4 turns: 14 1/8"

7 turns: 20 1/2"

7 1/2 turns: 21 3/4"

7 1/2 turns: 20 1/4"

This helix rises 2 9/16" per turn and has a maximum rise of 22 7/8"

4 turns: 10 7/8"

Available exit points in the top loop of this helix are at the following vertical rises: 4 1/8 turns: 13 1/2"

7 turns: 23 3/8"