KitHelix™ HO scale, 1 track, 30.0"/2.80%, 4 turns Helix upgrade spiral direction:Clockwise is upgrade

KitHelix™ HO scale, 1 track, 30.0"/2.80%, 4 turns Helix upgrade spiral direction:Clockwise is upgradeThis helix rises 5 1 4" per turn and has a maximum rise of 21 1 8". Available exit points in the top loop of this helix are at the following vertical rises: 3 1 8 turns: 16 1 2", 3 1 4 turns: 17 1 8", 3 3 8 turns: 17 7 8", 3 1 2 turns: 18 1 2", 3 5 8 turns: 19 1 8", 3 3 4 turns: 19 3 4", 3 7 8 turns: 20 1 2", 4 turns: 21 1 8" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more

Available exit points in the top loop of this helix are at the following vertical rises: 3 1/8 turns: 16 1/2"

4 1/4 turns: 15 "

4 1/2 turns: 19 1/2"

8 5/8 turns: 23 1/2"

This helix rises 2 11/16" per turn and has a maximum rise of 18 7/8"

1 3/8 turns: 4 1/8"

6 1/2 turns: 17 1/2"

4 1/2 turns: 13 1/2"

4 turns: 11 1/2"

9 turns: 25 1/4"

This helix rises 4 3/8" per turn and has a maximum rise of 22"

3 3/8 turns: 19 1/8"