KitHelix™ N scale, 2 track, 17.0"/2.40%, 19.0"/2.15%, 4 turns Helix upgrade spiral direction:CounterClockwise is upgrade

KitHelix™ N scale, 2 track, 17.0"/2.40%, 19.0"/2.15%, 4 turns Helix upgrade spiral direction:CounterClockwise is upgradeThis helix rises 2 9 16" per turn and has a maximum rise of 10 1 4". Available exit points in the top loop of this helix are at the following vertical rises: 3 1 8 turns: 8 ", 3 1 4 turns: 8 3 8", 3 3 8 turns: 8 5 8", 3 1 2 turns: 9 ", 3 5 8 turns: 9 1 4", 3 3 4 turns: 9 5 8", 3 7 8 turns: 9 7 8", 4 turns: 10 1 4" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

4 3/4 turns: 12 7/8"

This helix rises 2 13/16" per turn and has a maximum rise of 22 5/8"

This helix rises 3 1/4" per turn and has a maximum rise of 6 1/2"

Available exit points in the top loop of this helix are at the following vertical rises: 6 1/8 turns: 19 1/4"

5 1/4 turns: 15 1/4"

9 5/8 turns: 24 3/4"

This helix rises 2 3/4" per turn and has a maximum rise of 24 7/8"

6 3/8 turns: 18 7/8"

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

7 3/8 turns: 22 1/2"

8 7/8 turns: 22 7/8"

6 1/4 turns: 23 1/8"