KitHelix™ N scale, 2 track, 21.0"/2.40%, 23.0"/2.19%, 7 turns radius14-5

KitHelix™ N scale, 2 track, 21.0"/2.40%, 23.0"/2.19%, 7 turns radius14-5This helix rises 3 3 16" per turn and has a maximum rise of 22 1 8". Available exit points in the top loop of this helix are at the following vertical rises: 6 1 8 turns: 19 3 8", 6 1 4 turns: 19 3 4", 6 3 8 turns: 20 1 4", 6 1 2 turns: 20 5 8", 6 5 8 turns: 21 ", 6 3 4 turns: 21 3 8", 6 7 8 turns: 21 3 4", 7 turns: 22 1 8" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more

6 3/4 turns: 23 1/8"

3 1/2 turns: 17 1/8"

2 turns: 9 7/8"

2 5/8 turns: 9 1/2"

This helix rises 2 3/4" per turn and has a maximum rise of 19 1/4"

4 turns: 12 3/4"

This helix rises 4 7/16" per turn and has a maximum rise of 13 1/4"

6 3/4 turns: 17 7/8"

7 5/8 turns: 22 1/8"

4 3/8 turns: 14 3/8"

4 1/2 turns: 19 7/8"

2 1/4 turns: 11 1/2"