KitHelix™ N scale, 1 track, 19.0"/2.90%, 4 turns Helix upgrade spiral direction:CounterClockwise is upgrade

KitHelix™ N scale, 1 track, 19.0"/2.90%, 4 turns Helix upgrade spiral direction:CounterClockwise is upgradeThis helix rises 3 7 16" per turn and has a maximum rise of 13 7 8". Available exit points in the top loop of this helix are at the following vertical rises: 3 1 8 turns: 10 7 8", 3 1 4 turns: 11 1 4", 3 3 8 turns: 11 5 8", 3 1 2 turns: 12 1 8", 3 5 8 turns: 12 1 2", 3 3 4 turns: 13 ", 3 7 8 turns: 13 3 8", 4 turns: 13 7 8" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more

Available exit points in the top loop of this helix are at the following vertical rises: 6 1/8 turns: 19 5/8"

1 1/4 turns: 3 1/8"

4 5/8 turns: 12 1/2"

4 turns: 11 3/8"

3 turns: 10 7/8"

2 1/4 turns: 8 "

3 1/4 turns: 12 "

Precision graduated ramp supports for the most accurate first loop

5 3/8 turns: 15 1/2"

Available exit points in the top loop of this helix are at the following vertical rises: 3 1/8 turns: 9 1/2"

5 3/8 turns: 16 "

5 turns: 15 3/8"