KitHelix™ N scale, 2 track, 17.0"/3.00%, 19.0"/2.68%, 4 turns outergrade2-47

KitHelix™ N scale, 2 track, 17.0"/3.00%, 19.0"/2.68%, 4 turns outergrade2-47This helix rises 3 3 16" per turn and has a maximum rise of 12 7 8". Available exit points in the top loop of this helix are at the following vertical rises: 3 1 8 turns: 10 ", 3 1 4 turns: 10 3 8", 3 3 8 turns: 10 7 8", 3 1 2 turns: 11 1 4", 3 5 8 turns: 11 5 8", 3 3 4 turns: 12 ", 3 7 8 turns: 12 3 8", 4 turns: 12 7 8" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

5 1/2 turns: 14 1/8"

This helix rises 3 " per turn and has a maximum rise of 6"

2 1/2 turns: 8 3/8"

5 7/8 turns: 20 1/2"

6 turns: 15 3/4"

5 turns: 16 1/8"

4 5/8 turns: 18 1/4"

This helix rises 2 3/4" per turn and has a maximum rise of 21 7/8"

8 turns: 25 3/8"

7 1/4 turns: 23 1/4"

3 7/8 turns: 12 3/4"

5 5/8 turns: 18 1/2"