KitHelix™ N scale, 2 track, 17.0"/2.80%, 19.0"/2.51%, 5 turns Helix upgrade spiral direction:Clockwise is upgrade

KitHelix™ N scale, 2 track, 17.0"/2.80%, 19.0"/2.51%, 5 turns Helix upgrade spiral direction:Clockwise is upgradeThis helix rises 3 " 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: 4 1 8 turns: 12 3 8", 4 1 4 turns: 12 3 4", 4 3 8 turns: 13 1 8", 4 1 2 turns: 13 1 2", 4 5 8 turns: 13 7 8", 4 3 4 turns: 14 1 4", 4 7 8 turns: 14 5 8", 5 turns: 15 " 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 "

5 7/8 turns: 17 3/4"

6 3/8 turns: 22 3/4"

4 3/4 turns: 14 "

Available exit points in the top loop of this helix are at the following vertical rises: 2 1/8 turns: 7 "

3 7/8 turns: 9 7/8"

7 1/4 turns: 20 1/2"

4 turns: 10 7/8"

3 1/4 turns: 8 3/8"

4 1/2 turns: 14 3/4"

9 3/4 turns: 24 7/8"

Available exit points in the top loop of this helix are at the following vertical rises: 4 1/8 turns: 13 1/8"