KitHelix™ N scale, 2 track, 19.0"/2.90%, 21.0"/2.62%, 4 turns outergrade2-44

KitHelix™ N scale, 2 track, 19.0"/2.90%, 21.0"/2.62%, 4 turns outergrade2-44This helix rises 3 7 16" per turn and has a maximum rise of 13 7 8". Available exit points in the top loop of this helix are at the following vertical rises: 3 1 8 turns: 10 7 8", 3 1 4 turns: 11 1 4", 3 3 8 turns: 11 5 8", 3 1 2 turns: 12 1 8", 3 5 8 turns: 12 1 2", 3 3 4 turns: 13 ", 3 7 8 turns: 13 3 8", 4 turns: 13 7 8" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more

5 3/4 turns: 16 1/4"

2 turns: 7 3/8"

4 7/8 turns: 16 1/4"

This helix rises 2 7/8" per turn and has a maximum rise of 23 1/8"

This helix rises 2 11/16" per turn and has a maximum rise of 18 7/8"

6 3/4 turns: 21 1/4"

This helix rises 2 5/8" per turn and has a maximum rise of 15 5/8"

Available exit points in the top loop of this helix are at the following vertical rises: 6 1/8 turns: 20 "

Available exit points in the top loop of this helix are at the following vertical rises: 7 1/8 turns: 20 3/4"

8 1/2 turns: 22 1/2"

8 turns: 23 3/4"

7 3/4 turns: 22 5/8"