KitHelix™ N scale, 2 track, 21.0"/2.70%, 23.0"/2.47%, 2 turns innerradius19-0

KitHelix™ N scale, 2 track, 21.0"/2.70%, 23.0"/2.47%, 2 turns innerradius19-0This helix rises 3 9 16" per turn and has a maximum rise of 7 1 8". Available exit points in the top loop of this helix are at the following vertical rises: 1 1 8 turns: 4 ", 1 1 4 turns: 4 1 2", 1 3 8 turns: 4 7 8", 1 1 2 turns: 5 3 8", 1 5 8 turns: 5 3 4", 1 3 4 turns: 6 1 4", 1 7 8 turns: 6 5 8", 2 turns: 7 1 8" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

6 3/4 turns: 20 1/2"

5 5/8 turns: 16 3/4"

8 1/2 turns: 22 "

8 3/4 turns: 23 7/8"

4 1/4 turns: 11 7/8"

2 1/4 turns: 7 5/8"

4 3/4 turns: 16 3/4"

4 5/8 turns: 17 1/8"

2 1/2 turns: 11 1/4"

8 turns: 24 3/4"

4 5/8 turns: 12 1/8"

Available exit points in the top loop of this helix are at the following vertical rises: 4 1/8 turns: 18 7/8"