KitHelix™ N scale, 2 track, 17.0"/2.50%, 19.0"/2.24%, 7 turns Helix upgrade spiral direction:Clockwise is upgrade

KitHelix™ N scale, 2 track, 17.0"/2.50%, 19.0"/2.24%, 7 turns Helix upgrade spiral direction:Clockwise is upgradeThis helix rises 2 11 16" per turn and has a maximum rise of 18 3 4". Available exit points in the top loop of this helix are at the following vertical rises: 6 1 8 turns: 16 3 8", 6 1 4 turns: 16 3 4", 6 3 8 turns: 17 ", 6 1 2 turns: 17 3 8", 6 5 8 turns: 17 3 4", 6 3 4 turns: 18 ", 6 7 8 turns: 18 3 8", 7 turns: 18 3 4" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

8 7/8 turns: 24 5/8"

Available exit points in the top loop of this helix are at the following vertical rises: 6 1/8 turns: 20 1/4"

Available exit points in the top loop of this helix are at the following vertical rises: 7 1/8 turns: 23 1/4"

6 1/2 turns: 20 "

5 7/8 turns: 20 3/8"

4 1/4 turns: 10 7/8"

7 3/4 turns: 24 1/2"

This helix rises 2 3/4" per turn and has a maximum rise of 25"

7 1/2 turns: 20 1/2"

3 7/8 turns: 13 7/8"

4 1/4 turns: 14 5/8"

6 3/4 turns: 17 5/8"