KitHelix™ N scale, 1 track, 21.0"/2.30%, 6 turns radius15-0

KitHelix™ N scale, 1 track, 21.0"/2.30%, 6 turns radius15-0This helix rises 3 1 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: 5 1 8 turns: 15 1 2", 5 1 4 turns: 15 7 8", 5 3 8 turns: 16 1 4", 5 1 2 turns: 16 3 4", 5 5 8 turns: 17 1 8", 5 3 4 turns: 17 1 2", 5 7 8 turns: 17 7 8", 6 turns: 18 1 4" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more

3 3/8 turns: 10 3/8"

3 3/4 turns: 10 3/8"

This helix rises 2 13/16" per turn and has a maximum rise of 22 3/8"

3 turns: 8 1/8"

2 1/4 turns: 8 "

2 7/8 turns: 9 "

The DoubleHelix™ comes in two variations

3 turns: 9 5/8"

5 3/8 turns: 18 1/2"

7 1/2 turns: 21 1/4"

This helix rises 3 1/8" per turn and has a maximum rise of 9 1/4"

This helix rises 3 11/16" per turn and has a maximum rise of 25 3/4"