KitHelix™ N scale, 2 track, 15.0"/2.90%, 17.0"/2.56%, 4 turns Helix upgrade spiral direction:Clockwise is upgrade

KitHelix™ N scale, 2 track, 15.0"/2.90%, 17.0"/2.56%, 4 turns Helix upgrade spiral direction:Clockwise is upgradeThis helix rises 2 3 4" per turn and has a maximum rise of 10 7 8". Available exit points in the top loop of this helix are at the following vertical rises: 3 1 8 turns: 8 1 2", 3 1 4 turns: 8 7 8", 3 3 8 turns: 9 1 4", 3 1 2 turns: 9 5 8", 3 5 8 turns: 9 7 8", 3 3 4 turns: 10 1 4", 3 7 8 turns: 10 5 8", 4 turns: 10 7 8" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

5 3/8 turns: 15 "

space-saving and portable

5 7/8 turns: 19 1/8"

8 1/2 turns: 24 1/4"

This helix rises 2 7/8" per turn and has a maximum rise of 11 1/2"

Available exit points in the top loop of this helix are at the following vertical rises: 3 1/8 turns: 8 7/8"

1 1/2 turns: 5 1/2"

7 turns: 19 1/4"

6 turns: 21 3/8"

8 5/8 turns: 24 "

This helix rises 3 5/8" per turn and has a maximum rise of 21 5/8"

5 turns: 18 1/4"