KitHelix™ N scale, 1 track, 20.5"/2.90%, 4 turns radius20-0

KitHelix™ N scale, 1 track, 20.5"/2.90%, 4 turns radius20-0This helix rises 3 3 4" per turn and has a maximum rise of 15". Available exit points in the top loop of this helix are at the following vertical rises: 3 1 8 turns: 11 5 8", 3 1 4 turns: 12 1 8", 3 3 8 turns: 12 5 8", 3 1 2 turns: 13 1 8", 3 5 8 turns: 13 1 2", 3 3 4 turns: 14 ", 3 7 8 turns: 14 1 2", 4 turns: 15 " Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

6 7/8 turns: 22 1/2"

6 3/8 turns: 17 1/2"

2 1/2 turns: 6 1/2"

8 turns: 24 1/8"

5 5/8 turns: 17 "

8 5/8 turns: 22 "

3 5/8 turns: 12 "

1 1/4 turns: 3 5/8"

4 7/8 turns: 14 "

6 turns: 15 1/4"

Available exit points in the top loop of this helix are at the following vertical rises: 3 1/8 turns: 9 7/8"

1 3/4 turns: 4 7/8"