KitHelix™ N scale, 2 track, 16.5"/2.90%, 18.5"/2.59%, 3 turns Helix upgrade spiral direction:Clockwise is upgrade

KitHelix™ N scale, 2 track, 16.5"/2.90%, 18.5"/2.59%, 3 turns Helix upgrade spiral direction:Clockwise is upgradeThis helix rises 3 " per turn and has a maximum rise of 9". Available exit points in the top loop of this helix are at the following vertical rises: 2 1 8 turns: 6 3 8", 2 1 4 turns: 6 3 4", 2 3 8 turns: 7 1 8", 2 1 2 turns: 7 1 2", 2 5 8 turns: 7 7 8", 2 3 4 turns: 8 1 4", 2 7 8 turns: 8 5 8", 3 turns: 9 " Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate. Precision cut

4 5/8 turns: 12 7/8"

4 turns: 10 3/4"

Available exit points in the top loop of this helix are at the following vertical rises: 4 1/8 turns: 12 7/8"

7 turns: 19 1/8"

1 5/8 turns: 5 7/8"

3 5/8 turns: 12 1/8"

4 3/4 turns: 14 1/2"

Available exit points in the top loop of this helix are at the following vertical rises: 6 1/8 turns: 19 7/8"

4 7/8 turns: 19 1/4"

5 1/2 turns: 14 1/2"

1 3/4 turns: 5 1/2"

This helix rises 3 " per turn and has a maximum rise of 14 7/8"