KitHelix™ HO scale, 1 track, 28.0"/2.40%, 2 turns outerradius22-0

KitHelix™ HO scale, 1 track, 28.0"/2.40%, 2 turns outerradius22-0This helix rises 4 1 4" per turn and has a maximum rise of 8 1 2". Available exit points in the top loop of this helix are at the following vertical rises: 1 1 8 turns: 4 3 4", 1 1 4 turns: 5 1 4", 1 3 8 turns: 5 3 4", 1 1 2 turns: 6 3 8", 1 5 8 turns: 6 7 8", 1 3 4 turns: 7 3 8", 1 7 8 turns: 7 7 8", 2 turns: 8 1 2" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

Available exit points in the top loop of this helix are at the following vertical rises: 7 1/8 turns: 20 1/8"

Available exit points in the top loop of this helix are at the following vertical rises: 6 1/8 turns: 17 "

7 1/2 turns: 19 1/8"

6 turns: 19 1/4"

5 1/2 turns: 15 3/8"

1 7/8 turns: 8 "

Please note: This helix has a grade greater than 3

3 5/8 turns: 11 1/8"

1 1/2 turns: 4 1/2"

3 7/8 turns: 10 3/8"

3 3/4 turns: 11 1/4"

¼” Baltic birch plywood base enabling transportability of the helix