KitHelix™ N scale, 2 track, 17.0"/2.60%, 19.0"/2.33%, 5 turns outergrade2-68

KitHelix™ N scale, 2 track, 17.0"/2.60%, 19.0"/2.33%, 5 turns outergrade2-68This helix rises 2 3 4" 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: 4 1 8 turns: 11 1 2", 4 1 4 turns: 11 3 4", 4 3 8 turns: 12 1 8", 4 1 2 turns: 12 1 2", 4 5 8 turns: 12 7 8", 4 3 4 turns: 13 1 4", 4 7 8 turns: 13 1 2", 5 turns: 13 7 8" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more

This helix rises 3 1/4" per turn and has a maximum rise of 19 5/8"

5 5/8 turns: 21 1/2"

4 7/8 turns: 13 "

7 5/8 turns: 21 "

Available exit points in the top loop of this helix are at the following vertical rises: 3 1/8 turns: 10 1/2"

3 3/8 turns: 11 1/4"

5 7/8 turns: 18 1/2"

5 7/8 turns: 21 "

This helix rises 2 15/16" per turn and has a maximum rise of 8 7/8"

6 1/4 turns: 19 3/8"

5 1/4 turns: 16 1/2"

4 7/8 turns: 14 5/8"