KitHelix™ N scale, 1 track, 20.5"/2.70%, 6 turns radius20-0

KitHelix™ N scale, 1 track, 20.5"/2.70%, 6 turns radius20-0This helix rises 3 1 2" per turn and has a maximum rise of 20 7 8". Available exit points in the top loop of this helix are at the following vertical rises: 5 1 8 turns: 17 7 8", 5 1 4 turns: 18 1 4", 5 3 8 turns: 18 3 4", 5 1 2 turns: 19 1 8", 5 5 8 turns: 19 1 2", 5 3 4 turns: 20 ", 5 7 8 turns: 20 3 8", 6 turns: 20 7 8" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

3 3/8 turns: 11 "

5 7/8 turns: 18 5/8"

6 1/2 turns: 18 1/8"

4 1/2 turns: 11 3/4"

This helix rises 2 3/4" per turn and has a maximum rise of 19 1/8"

This helix rises 3 " per turn and has a maximum rise of 9"

2 1/2 turns: 6 7/8"

This helix rises 2 5/8" per turn and has a maximum rise of 15 7/8"

6 1/4 turns: 21 1/4"

4 3/4 turns: 16 1/4"

8 turns: 23 1/2"

5 7/8 turns: 16 3/4"