KitHelix™ N scale, 2 track, 21.0"/2.50%, 23.0"/2.28%, 3 turns outergrade2-37

KitHelix™ N scale, 2 track, 21.0"/2.50%, 23.0"/2.28%, 3 turns outergrade2-37This helix rises 3 5 16" per turn and has a maximum rise of 9 7 8". Available exit points in the top loop of this helix are at the following vertical rises: 2 1 8 turns: 7 ", 2 1 4 turns: 7 3 8", 2 3 8 turns: 7 7 8", 2 1 2 turns: 8 1 4", 2 5 8 turns: 8 5 8", 2 3 4 turns: 9 1 8", 2 7 8 turns: 9 1 2", 3 turns: 9 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: 13 3/8"

3 5/8 turns: 14 3/8"

8 3/8 turns: 21 5/8"

3 1/2 turns: 9 3/4"

2 5/8 turns: 11 5/8"

9 turns: 25 3/8"

6 turns: 20 3/8"

Available exit points in the top loop of this helix are at the following vertical rises: 4 1/8 turns: 11 1/4"

This helix rises 3 1/8" per turn and has a maximum rise of 9 1/4"

1 3/8 turns: 6 3/4"

5 3/8 turns: 18 5/8"

7 1/4 turns: 18 3/4"