KitHelix™ N scale, 2 track, 17.5"/3.00%, 19.5"/2.69%, 4 turns Helix upgrade spiral direction:Clockwise is upgrade

KitHelix™ N scale, 2 track, 17.5"/3.00%, 19.5"/2.69%, 4 turns Helix upgrade spiral direction:Clockwise is upgradeThis helix rises 3 5 16" per turn and has a maximum rise of 13 1 4". Available exit points in the top loop of this helix are at the following vertical rises: 3 1 8 turns: 10 1 4", 3 1 4 turns: 10 3 4", 3 3 8 turns: 11 1 8", 3 1 2 turns: 11 1 2", 3 5 8 turns: 12 ", 3 3 4 turns: 12 3 8", 3 7 8 turns: 12 3 4", 4 turns: 13 1 4" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more

5 7/8 turns: 16 1/4"

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

5 1/4 turns: 15 5/8"

4 3/8 turns: 13 1/4"

9 turns: 23 1/8"

Available exit points in the top loop of this helix are at the following vertical rises: 4 1/8 turns: 10 3/4"

Available exit points in the top loop of this helix are at the following vertical rises: 7 1/8 turns: 18 1/8"

3 7/8 turns: 13 1/2"

7 turns: 24 3/8"

Available exit points in the top loop of this helix are at the following vertical rises: 5 1/8 turns: 19 5/8"

4 turns: 13 7/8"

5 7/8 turns: 15 3/4"