KitHelix™ N scale, 1 track, 17.0"/2.80%, 7 turns Helix upgrade spiral direction:Clockwise is upgrade

KitHelix™ N scale, 1 track, 17.0"/2.80%, 7 turns Helix upgrade spiral direction:Clockwise is upgradeThis helix rises 3 " per turn and has a maximum rise of 20 7 8". Available exit points in the top loop of this helix are at the following vertical rises: 6 1 8 turns: 18 3 8", 6 1 4 turns: 18 3 4", 6 3 8 turns: 19 1 8", 6 1 2 turns: 19 1 2", 6 5 8 turns: 19 7 8", 6 3 4 turns: 20 1 4", 6 7 8 turns: 20 1 2", 7 turns: 20 7 8" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

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

5 turns: 17 3/8"

No special tools required

5 5/8 turns: 16 7/8"

4 corner brackets

7 7/8 turns: 23 1/8"

4 7/8 turns: 14 "

6 turns: 16 3/8"

3 1/4 turns: 9 7/8"

7 3/8 turns: 20 1/8"

Available exit points in the top loop of this helix are at the following vertical rises: 6 1/8 turns: 21 7/8"

Available exit points in the top loop of this helix are at the following vertical rises: 5 1/8 turns: 16 1/4"