KitHelix™ N scale, 2 track, 20.0"/2.40%, 22.0"/2.18%, 7 turns Helix upgrade spiral direction:CounterClockwise is upgrade

KitHelix™ N scale, 2 track, 20.0"/2.40%, 22.0"/2.18%, 7 turns Helix upgrade spiral direction:CounterClockwise is upgradeThis helix rises 3 " per turn and has a maximum rise of 21 1 8". Available exit points in the top loop of this helix are at the following vertical rises: 6 1 8 turns: 18 1 2", 6 1 4 turns: 18 7 8", 6 3 8 turns: 19 1 4", 6 1 2 turns: 19 5 8", 6 5 8 turns: 20 ", 6 3 4 turns: 20 3 8", 6 7 8 turns: 20 3 4", 7 turns: 21 1 8" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

6 top panels that secure together to create the sub-roadbed

4 1/4 turns: 19 1/4"

5 7/8 turns: 18 1/8"

6 1/2 turns: 21 1/4"

1 7/8 turns: 5 3/8"

2 turns: 5 7/8"

1 1/4 turns: 3 3/8"

This helix rises 4 7/16" per turn and has a maximum rise of 8 7/8"

5 3/8 turns: 14 1/2"

4 1/4 turns: 13 3/4"

8 5/8 turns: 24 "

Available exit points in the top loop of this helix are at the following vertical rises: 4 1/8 turns: 16 3/8"