KitHelix™ N scale, 2 track, 18.5"/2.40%, 20.5"/2.17%, 8 turns Helix upgrade spiral direction:CounterClockwise is upgrade

KitHelix™ N scale, 2 track, 18.5"/2.40%, 20.5"/2.17%, 8 turns Helix upgrade spiral direction:CounterClockwise is upgradeThis helix rises 2 13 16" per turn and has a maximum rise of 22 3 8". Available exit points in the top loop of this helix are at the following vertical rises: 7 1 8 turns: 19 7 8", 7 1 4 turns: 20 1 4", 7 3 8 turns: 20 5 8", 7 1 2 turns: 20 7 8", 7 5 8 turns: 21 1 4", 7 3 4 turns: 21 5 8", 7 7 8 turns: 22 ", 8 turns: 22 3 8" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more

5 7/8 turns: 15 1/4"

3 1/4 turns: 9 1/4"

6 3/8 turns: 22 3/8"

4 3/8 turns: 11 1/4"

Two single track helixes connect at bottom and top to make a continuous run

1 1/2 turns: 5 1/8"

Available exit points in the top loop of this helix are at the following vertical rises: 2 1/8 turns: 5 5/8"

7 3/8 turns: 21 1/8"

7 1/2 turns: 20 5/8"

This helix rises 3 3/4" per turn and has a maximum rise of 22 5/8"

7 turns: 21 3/8"

6 1/4 turns: 18 3/4"