KitHelix™ HO scale, 1 track, 27.0"/2.60%, 2 turns Helix upgrade spiral direction:Clockwise is upgrade

KitHelix™ HO scale, 1 track, 27.0"/2.60%, 2 turns Helix upgrade spiral direction:Clockwise is upgradeThis helix rises 4 7 16" per turn and has a maximum rise of 8 7 8". Available exit points in the top loop of this helix are at the following vertical rises: 1 1 8 turns: 5 ", 1 1 4 turns: 5 1 2", 1 3 8 turns: 6 1 8", 1 1 2 turns: 6 5 8", 1 5 8 turns: 7 1 8", 1 3 4 turns: 7 3 4", 1 7 8 turns: 8 1 4", 2 turns: 8 7 8" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

This helix rises 2 3/4" per turn and has a maximum rise of 16 1/2"

2 1/2 turns: 9 1/4"

1 3/8 turns: 3 7/8"

3 3/8 turns: 15 1/4"

6 5/8 turns: 19 "

4 1/4 turns: 16 1/4"

8 1/4 turns: 22 7/8"

This helix rises 2 3/4" per turn and has a maximum rise of 24 7/8"

4 1/2 turns: 15 1/4"

This helix rises 3 9/16" per turn and has a maximum rise of 17 3/4"

7 5/8 turns: 22 "

7 5/8 turns: 24 1/2"