KitHelix™ N scale, 2 track, 15.0"/2.90%, 17.0"/2.56%, 3 turns outerradius17-0

KitHelix™ N scale, 2 track, 15.0"/2.90%, 17.0"/2.56%, 3 turns outerradius17-0This helix rises 2 3 4" per turn and has a maximum rise of 8 1 4". Available exit points in the top loop of this helix are at the following vertical rises: 2 1 8 turns: 5 3 4", 2 1 4 turns: 6 1 8", 2 3 8 turns: 6 1 2", 2 1 2 turns: 6 7 8", 2 5 8 turns: 7 1 8", 2 3 4 turns: 7 1 2", 2 7 8 turns: 7 7 8", 3 turns: 8 1 4" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

4 1/2 turns: 12 "

6 3/8 turns: 22 3/8"

8 5/8 turns: 23 3/8"

7 1/4 turns: 19 3/4"

1 7/8 turns: 6 1/2"

This helix rises 3 3/8" per turn and has a maximum rise of 10 1/8"

2 3/4 turns: 10 1/4"

We appreciate your patience as we ensure that your items are prepared with craftsmanship and care

4 1/2 turns: 11 7/8"

4 1/2 turns: 15 1/4"

5 1/4 turns: 18 3/4"

6 1/2 turns: 20 3/4"