KitHelix™ N scale, 2 track, 17.0"/2.90%, 19.0"/2.59%, 2 turns Helix upgrade spiral direction:Clockwise is upgrade

KitHelix™ N scale, 2 track, 17.0"/2.90%, 19.0"/2.59%, 2 turns Helix upgrade spiral direction:Clockwise is upgradeThis helix rises 3 1 8" per turn and has a maximum rise of 6 1 4". Available exit points in the top loop of this helix are at the following vertical rises: 1 1 8 turns: 3 1 2", 1 1 4 turns: 3 7 8", 1 3 8 turns: 4 1 4", 1 1 2 turns: 4 5 8", 1 5 8 turns: 5 ", 1 3 4 turns: 5 3 8", 1 7 8 turns: 5 3 4", 2 turns: 6 1 4" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

3 7/8 turns: 12 3/8"

We appreciate your patience as we ensure that your items are prepared with craftsmanship and care

8 5/8 turns: 24 1/2"

4 turns: 10 1/2"

Available exit points in the top loop of this helix are at the following vertical rises: 2 1/8 turns: 6 1/4"

6 1/2 turns: 23 1/4"

"Oh that is so cool

This helix rises 3 7/16" per turn and has a maximum rise of 17 1/4"

5 turns: 17 5/8"

4 7/8 turns: 14 1/2"

6 7/8 turns: 19 3/8"

7 3/8 turns: 20 1/2"