KitHelix™ N scale, 2 track, 18.0"/3.00%, 20.0"/2.70%, 5 turns Helix upgrade spiral direction:CounterClockwise is upgrade

KitHelix™ N scale, 2 track, 18.0"/3.00%, 20.0"/2.70%, 5 turns Helix upgrade spiral direction:CounterClockwise is upgradeThis helix rises 3 3 8" per turn and has a maximum rise of 17". Available exit points in the top loop of this helix are at the following vertical rises: 4 1 8 turns: 14 ", 4 1 4 turns: 14 3 8", 4 3 8 turns: 14 7 8", 4 1 2 turns: 15 1 4", 4 5 8 turns: 15 3 4", 4 3 4 turns: 16 1 8", 4 7 8 turns: 16 1 2", 5 turns: 17 " Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

7 turns: 18 1/8"

8 3/4 turns: 23 7/8"

Available exit points in the top loop of this helix are at the following vertical rises: 5 1/8 turns: 18 "

3 5/8 turns: 12 3/8"

4 1/4 turns: 14 "

2 3/8 turns: 8 3/4"

8 5/8 turns: 24 1/2"

8 1/2 turns: 24 3/8"

5 3/8 turns: 16 7/8"

6 5/8 turns: 23 "

Available exit points in the top loop of this helix are at the following vertical rises: 4 1/8 turns: 11 "

3 turns: 11 1/2"