KitHelix™ N scale, 2 track, 20.0"/2.90%, 22.0"/2.64%, 5 turns Helix upgrade spiral direction:CounterClockwise is upgrade

KitHelix™ N scale, 2 track, 20.0"/2.90%, 22.0"/2.64%, 5 turns Helix upgrade spiral direction:CounterClockwise is upgradeThis helix rises 3 5 8" per turn and has a maximum rise of 18 1 4". Available exit points in the top loop of this helix are at the following vertical rises: 4 1 8 turns: 15 ", 4 1 4 turns: 15 1 2", 4 3 8 turns: 16 ", 4 1 2 turns: 16 3 8", 4 5 8 turns: 16 7 8", 4 3 4 turns: 17 1 4", 4 7 8 turns: 17 3 4", 5 turns: 18 1 4" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

3 1/2 turns: 9 "

5 7/8 turns: 19 5/8"

Available exit points in the top loop of this helix are at the following vertical rises: 5 1/8 turns: 13 7/8"

4 7/8 turns: 16 1/8"

3 1/4 turns: 16 "

5 1/4 turns: 18 1/8"

This helix rises 3 1/8" per turn and has a maximum rise of 25 1/8"

1 5/8 turns: 5 3/8"

6 3/4 turns: 18 1/2"

This helix rises 3 1/8" per turn and has a maximum rise of 21 3/4"

5 turns: 13 7/8"

This helix rises 2 5/8" per turn and has a maximum rise of 20 3/4"