KitHelix™ N scale, 2 track, 21.0"/2.10%, 23.0"/1.92%, 8 turns outergrade2-39

KitHelix™ N scale, 2 track, 21.0"/2.10%, 23.0"/1.92%, 8 turns outergrade2-39This helix rises 2 3 4" 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: 7 1 8 turns: 19 3 4", 7 1 4 turns: 20 1 8", 7 3 8 turns: 20 3 8", 7 1 2 turns: 20 3 4", 7 5 8 turns: 21 1 8", 7 3 4 turns: 21 1 2", 7 7 8 turns: 21 7 8", 8 turns: 22 1 8" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more

4 5/8 turns: 12 5/8"

9 1/2 turns: 24 1/4"

This helix rises 3 5/8" per turn and has a maximum rise of 10 7/8"

6 3/8 turns: 19 5/8"

This helix rises 2 3/4" per turn and has a maximum rise of 24 5/8"

3 turns: 8 3/8"

Available exit points in the top loop of this helix are at the following vertical rises: 5 1/8 turns: 14 1/8"

6 3/4 turns: 21 1/4"

8 turns: 24 3/4"

This helix rises 4 9/16" per turn and has a maximum rise of 18 1/4"

5 7/8 turns: 15 "

Available exit points in the top loop of this helix are at the following vertical rises: 2 1/8 turns: 5 7/8"