KitHelix™ N scale, 2 track, 18.5"/2.90%, 20.5"/2.62%, 6 turns outerradius17-5

KitHelix™ N scale, 2 track, 18.5"/2.90%, 20.5"/2.62%, 6 turns outerradius17-5This helix rises 3 3 8" per turn and has a maximum rise of 20 1 4". Available exit points in the top loop of this helix are at the following vertical rises: 5 1 8 turns: 17 1 4", 5 1 4 turns: 17 3 4", 5 3 8 turns: 18 1 8", 5 1 2 turns: 18 1 2", 5 5 8 turns: 19 ", 5 3 4 turns: 19 3 8", 5 7 8 turns: 19 3 4", 6 turns: 20 1 4" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

4 3/8 turns: 14 7/8"

5 7/8 turns: 17 7/8"

3 5/8 turns: 9 3/4"

5 1/4 turns: 19 5/8"

1 3/8 turns: 4 1/4"

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 3 1/8" per turn and has a maximum rise of 6 1/4"

8 3/8 turns: 22 3/4"

This helix rises 3 1/16" per turn and has a maximum rise of 9 1/4"

2 7/8 turns: 8 3/8"

2 1/2 turns: 6 5/8"

6 3/8 turns: 18 "