KitHelix™ N scale, 2 track, 16.5"/2.80%, 18.5"/2.50%, 5 turns outergrade2-39

KitHelix™ N scale, 2 track, 16.5"/2.80%, 18.5"/2.50%, 5 turns outergrade2-39This helix rises 2 7 8" per turn and has a maximum rise of 14 1 2". Available exit points in the top loop of this helix are at the following vertical rises: 4 1 8 turns: 12 ", 4 1 4 turns: 12 3 8", 4 3 8 turns: 12 3 4", 4 1 2 turns: 13 1 8", 4 5 8 turns: 13 3 8", 4 3 4 turns: 13 3 4", 4 7 8 turns: 14 1 8", 5 turns: 14 1 2" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

This helix rises 2 11/16" per turn and has a maximum rise of 21 3/8"

4 turns: 10 1/8"

3 5/8 turns: 9 3/8"

5 3/8 turns: 16 3/8"

2 5/8 turns: 9 3/8"

5 3/8 turns: 19 1/8"

Available exit points in the top loop of this helix are at the following vertical rises: 7 1/8 turns: 21 7/8"

8 1/2 turns: 23 1/8"

4 3/8 turns: 15 3/8"

2 turns: 7 1/2"

This helix rises 3 1/16" per turn and has a maximum rise of 21 1/4"

3 3/4 turns: 12 5/8"