KitHelix™ HO scale, 1 track, 28.0"/2.90%, 2 turns radius18-0

KitHelix™ HO scale, 1 track, 28.0"/2.90%, 2 turns radius18-0This helix rises 5 1 8" per turn and has a maximum rise of 10 1 4". Available exit points in the top loop of this helix are at the following vertical rises: 1 1 8 turns: 5 3 4", 1 1 4 turns: 6 3 8", 1 3 8 turns: 7 ", 1 1 2 turns: 7 5 8", 1 5 8 turns: 8 1 4", 1 3 4 turns: 8 7 8", 1 7 8 turns: 9 5 8", 2 turns: 10 1 4" 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: 6 1/8 turns: 17 3/8"

4 turns: 12 1/4"

Our construction system uses alignment jigs (included in your kit)

4 turns: 20 3/8"

7 7/8 turns: 21 3/8"

4 turns: 11 "

9 turns: 25 "

This helix rises 3 1/4" per turn and has a maximum rise of 13 1/8"

Available exit points in the top loop of this helix are at the following vertical rises: 5 1/8 turns: 19 1/8"

2 7/8 turns: 8 7/8"

2 1/2 turns: 10 7/8"

4 7/8 turns: 13 1/2"