KitHelix™ N scale, 2 track, 20.0"/2.50%, 22.0"/2.27%, 3 turns Helix upgrade spiral direction:CounterClockwise is upgrade

KitHelix™ N scale, 2 track, 20.0"/2.50%, 22.0"/2.27%, 3 turns Helix upgrade spiral direction:CounterClockwise is upgradeThis helix rises 3 1 8" per turn and has a maximum rise of 9 3 8". Available exit points in the top loop of this helix are at the following vertical rises: 2 1 8 turns: 6 5 8", 2 1 4 turns: 7 1 8", 2 3 8 turns: 7 1 2", 2 1 2 turns: 7 7 8", 2 5 8 turns: 8 1 4", 2 3 4 turns: 8 5 8", 2 7 8 turns: 9 ", 3 turns: 9 3 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: 5 1/8 turns: 13 7/8"

Our construction system uses alignment jigs (included in your kit)

8 1/2 turns: 22 7/8"

6 7/8 turns: 19 1/4"

8 1/4 turns: 23 5/8"

Available exit points in the top loop of this helix are at the following vertical rises: 5 1/8 turns: 13 5/8"

5 5/8 turns: 20 1/8"

4 1/2 turns: 11 3/4"

5 5/8 turns: 16 1/4"

4 1/4 turns: 14 7/8"

7 1/2 turns: 21 1/4"

This helix rises 2 9/16" per turn and has a maximum rise of 15 3/8"