KitHelix™ N scale, 2 track, 20.5"/2.10%, 22.5"/1.91%, 6 turns outerradius17-5

KitHelix™ N scale, 2 track, 20.5"/2.10%, 22.5"/1.91%, 6 turns outerradius17-5This helix rises 2 11 16" per turn and has a maximum rise of 16 1 4". Available exit points in the top loop of this helix are at the following vertical rises: 5 1 8 turns: 13 7 8", 5 1 4 turns: 14 1 4", 5 3 8 turns: 14 1 2", 5 1 2 turns: 14 7 8", 5 5 8 turns: 15 1 4", 5 3 4 turns: 15 1 2", 5 7 8 turns: 15 7 8", 6 turns: 16 1 4" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more

Not included:

3 1/4 turns: 13 3/4"

Minimum above railhead height clearance of 2”

3 1/4 turns: 9 3/8"

[1] https://nationalt-traklayout

5 5/8 turns: 14 5/8"

1 5/8 turns: 4 1/4"

6 5/8 turns: 23 1/8"

Available exit points in the top loop of this helix are at the following vertical rises: 4 1/8 turns: 18 7/8"

5 1/2 turns: 15 1/8"

4 1/2 turns: 15 1/4"

1 1/2 turns: 6 3/8"