KitHelix™ N scale, 2 track, 16.5"/2.90%, 18.5"/2.59%, 8 turns innerradius15-0

KitHelix™ N scale, 2 track, 16.5"/2.90%, 18.5"/2.59%, 8 turns innerradius15-0This helix rises 3 " per turn and has a maximum rise of 24". Available exit points in the top loop of this helix are at the following vertical rises: 7 1 8 turns: 21 3 8", 7 1 4 turns: 21 3 4", 7 3 8 turns: 22 1 8", 7 1 2 turns: 22 1 2", 7 5 8 turns: 22 7 8", 7 3 4 turns: 23 1 4", 7 7 8 turns: 23 5 8", 8 turns: 24 " Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

3 turns: 11 1/8"

2 3/8 turns: 9 "

Available exit points in the top loop of this helix are at the following vertical rises: 1 1/8 turns: 3 1/2"

This helix rises 2 5/8" per turn and has a maximum rise of 23 3/8"

Available exit points in the top loop of this helix are at the following vertical rises: 5 1/8 turns: 18 7/8"

3 3/8 turns: 10 1/2"

5 3/4 turns: 14 3/4"

4 3/8 turns: 12 1/4"

4 turns: 15 1/2"

5 1/4 turns: 13 1/2"

5 1/4 turns: 18 7/8"

4 5/8 turns: 17 3/8"