KitHelix™ N scale, 2 track, 17.5"/3.00%, 19.5"/2.69%, 7 turns curved

KitHelix™ N scale, 2 track, 17.5"/3.00%, 19.5"/2.69%, 7 turns curvedThis helix rises 3 5 16" per turn and has a maximum rise of 23 1 8". Available exit points in the top loop of this helix are at the following vertical rises: 6 1 8 turns: 20 1 4", 6 1 4 turns: 20 5 8", 6 3 8 turns: 21 ", 6 1 2 turns: 21 1 2", 6 5 8 turns: 21 7 8", 6 3 4 turns: 22 1 4", 6 7 8 turns: 22 5 8", 7 turns: 23 1 8" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more

5 turns: 16 "

This helix rises 3 1/16" per turn and has a maximum rise of 18 1/2"

This helix rises 3 11/16" per turn and has a maximum rise of 11 1/8"

4 1/2 turns: 17 1/4"

7 1/4 turns: 18 5/8"

6 turns: 19 3/8"

Kit pieces designed to fit only one way reducing the risk of incorrect assembly

This helix rises 2 15/16" per turn and has a maximum rise of 11 5/8"

4 7/8 turns: 17 7/8"

4 3/8 turns: 11 7/8"

2 3/8 turns: 8 1/4"

7 7/8 turns: 25 1/4"