KitHelix™ N scale, 2 track, 21.0"/2.50%, 23.0"/2.28%, 2 turns Helix upgrade spiral direction:Clockwise is upgrade

KitHelix™ N scale, 2 track, 21.0"/2.50%, 23.0"/2.28%, 2 turns Helix upgrade spiral direction:Clockwise is upgradeThis helix rises 3 5 16" per turn and has a maximum rise of 6 5 8". Available exit points in the top loop of this helix are at the following vertical rises: 1 1 8 turns: 3 3 4", 1 1 4 turns: 4 1 8", 1 3 8 turns: 4 1 2", 1 1 2 turns: 5 ", 1 5 8 turns: 5 3 8", 1 3 4 turns: 5 3 4", 1 7 8 turns: 6 1 8", 2 turns: 6 5 8" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

1 5/8 turns: 5 1/8"

2 7/8 turns: 10 5/8"

This helix rises 3 1/4" per turn and has a maximum rise of 22 1/2"

5 turns: 18 3/8"

This helix rises 3 1/8" per turn and has a maximum rise of 24 3/4"

7 1/4 turns: 23 3/8"

2 3/8 turns: 6 3/8"

5 3/4 turns: 20 1/2"

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

Available exit points in the top loop of this helix are at the following vertical rises: 5 1/8 turns: 17 "

7 1/2 turns: 21 1/2"

1 5/8 turns: 7 3/4"