KitHelix™ HO scale, 1 track, 28.0"/2.60%, 4 turns Helix upgrade spiral direction:Clockwise is upgrade

KitHelix™ HO scale, 1 track, 28.0"/2.60%, 4 turns Helix upgrade spiral direction:Clockwise is upgradeThis helix rises 4 9 16" 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: 3 1 8 turns: 14 1 4", 3 1 4 turns: 14 7 8", 3 3 8 turns: 15 1 2", 3 1 2 turns: 16 ", 3 5 8 turns: 16 5 8", 3 3 4 turns: 17 1 8", 3 7 8 turns: 17 3 4", 4 turns: 18 1 4" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more

5 7/8 turns: 17 3/4"

1 7/8 turns: 6 5/8"

2 3/4 turns: 8 7/8"

8 turns: 24 1/2"

Available exit points in the top loop of this helix are at the following vertical rises: 5 1/8 turns: 16 1/8"

2 3/4 turns: 8 3/4"

3 5/8 turns: 11 5/8"

8 5/8 turns: 22 3/4"

Available exit points in the top loop of this helix are at the following vertical rises: 4 1/8 turns: 11 1/4"

4 turns: 13 "

8 5/8 turns: 22 3/8"

5 1/4 turns: 17 1/4"