KitHelix™ N scale, 2 track, 19.0"/2.90%, 21.0"/2.62%, 3 turns Helix upgrade spiral direction:CounterClockwise is upgrade

KitHelix™ N scale, 2 track, 19.0"/2.90%, 21.0"/2.62%, 3 turns Helix upgrade spiral direction:CounterClockwise is upgradeThis helix rises 3 7 16" per turn and has a maximum rise of 10 3 8". Available exit points in the top loop of this helix are at the following vertical rises: 2 1 8 turns: 7 3 8", 2 1 4 turns: 7 3 4", 2 3 8 turns: 8 1 4", 2 1 2 turns: 8 5 8", 2 5 8 turns: 9 1 8", 2 3 4 turns: 9 1 2", 2 7 8 turns: 10 ", 3 turns: 10 3 8" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

5 5/8 turns: 17 1/4"

9 turns: 24 1/4"

7 turns: 18 3/8"

Available exit points in the top loop of this helix are at the following vertical rises: 5 1/8 turns: 19 3/4"

4 7/8 turns: 16 "

6 7/8 turns: 24 3/8"

This helix rises 3 3/8" per turn and has a maximum rise of 16 7/8"

7 turns: 21 1/4"

This helix rises 3 " per turn and has a maximum rise of 11 7/8"

This helix rises 3 1/2" per turn and has a maximum rise of 17 5/8"

8 5/8 turns: 24 5/8"

4 1/4 turns: 13 3/4"