KitHelix™ N scale, 2 track, 20.0"/2.70%, 22.0"/2.45%, 4 turns outerradius17-5

KitHelix™ N scale, 2 track, 20.0"/2.70%, 22.0"/2.45%, 4 turns outerradius17-5This helix rises 3 3 8" per turn and has a maximum rise of 13 5 8". Available exit points in the top loop of this helix are at the following vertical rises: 3 1 8 turns: 10 5 8", 3 1 4 turns: 11 ", 3 3 8 turns: 11 1 2", 3 1 2 turns: 11 7 8", 3 5 8 turns: 12 1 4", 3 3 4 turns: 12 3 4", 3 7 8 turns: 13 1 8", 4 turns: 13 5 8" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

easier and more accurate

6 3/8 turns: 17 3/4"

2 turns: 8 1/2"

5 3/8 turns: 13 3/4"

Available exit points in the top loop of this helix are at the following vertical rises: 7 1/8 turns: 19 1/2"

Available exit points in the top loop of this helix are at the following vertical rises: 4 1/8 turns: 18 3/4"

6 3/4 turns: 24 1/8"

5 3/4 turns: 15 1/8"

6 1/4 turns: 17 5/8"

This helix rises 2 9/16" per turn and has a maximum rise of 15 1/2"

1 7/8 turns: 7 1/4"

4 1/4 turns: 13 3/4"