KitHelix™ N scale, 2 track, 19.5"/2.30%, 21.5"/2.09%, 8 turns outergrade2-24

KitHelix™ N scale, 2 track, 19.5"/2.30%, 21.5"/2.09%, 8 turns outergrade2-24This helix rises 2 13 16" per turn and has a maximum rise of 22 1 2". Available exit points in the top loop of this helix are at the following vertical rises: 7 1 8 turns: 20 1 8", 7 1 4 turns: 20 3 8", 7 3 8 turns: 20 3 4", 7 1 2 turns: 21 1 8", 7 5 8 turns: 21 1 2", 7 3 4 turns: 21 7 8", 7 7 8 turns: 22 1 4", 8 turns: 22 1 2" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more

6 7/8 turns: 21 3/4"

Available exit points in the top loop of this helix are at the following vertical rises: 3 1/8 turns: 12 "

6 7/8 turns: 17 3/4"

1 7/8 turns: 5 1/2"

7 5/8 turns: 23 "

6 1/4 turns: 16 1/2"

2 7/8 turns: 9 3/4"

7 1/2 turns: 23 1/4"

4 turns: 15 1/8"

Our Design:

4 1/2 turns: 16 "

This helix rises 2 3/4" per turn and has a maximum rise of 24 3/4"