KitHelix™ HO scale, 1 track, 29.0"/2.40%, 2 turns radius18-5

KitHelix™ HO scale, 1 track, 29.0"/2.40%, 2 turns radius18-5This helix rises 4 3 8" per turn and has a maximum rise of 8 3 4". Available exit points in the top loop of this helix are at the following vertical rises: 1 1 8 turns: 4 7 8", 1 1 4 turns: 5 1 2", 1 3 8 turns: 6 ", 1 1 2 turns: 6 1 2", 1 5 8 turns: 7 1 8", 1 3 4 turns: 7 5 8", 1 7 8 turns: 8 1 4", 2 turns: 8 3 4" 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 "

3 3/8 turns: 11 7/8"

9 turns: 24 7/8"

This helix rises 3 7/16" per turn and has a maximum rise of 13 3/4"

Available exit points in the top loop of this helix are at the following vertical rises: 4 1/8 turns: 10 5/8"

8 1/2 turns: 24 1/8"

¼” birch plywood is super strong yet light-weight for easy transport and storage

The DoubleHelix™ for set-track and flex-track

We appreciate your patience as we ensure that your items are prepared with craftsmanship and care

Available exit points in the top loop of this helix are at the following vertical rises: 8 1/8 turns: 21 3/8"

Minimum above railhead height clearance of 4 1/16”

3 1/4 turns: 8 1/4"