KitHelix™ N scale, 1 track, 15.5"/2.90%, 2 turns Helix upgrade spiral direction:CounterClockwise is upgrade

KitHelix™ N scale, 1 track, 15.5"/2.90%, 2 turns Helix upgrade spiral direction:CounterClockwise is upgradeThis helix rises 2 13 16" per turn and has a maximum rise of 5 5 8". Available exit points in the top loop of this helix are at the following vertical rises: 1 1 8 turns: 3 1 8", 1 1 4 turns: 3 1 2", 1 3 8 turns: 3 7 8", 1 1 2 turns: 4 1 4", 1 5 8 turns: 4 5 8", 1 3 4 turns: 5 ", 1 7 8 turns: 5 1 4", 2 turns: 5 5 8" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

8 turns: 21 5/8"

Build your DoubleHelix™ as a stand alone layout

Available exit points in the top loop of this helix are at the following vertical rises: 4 1/8 turns: 10 1/2"

4 1/4 turns: 10 7/8"

This helix rises 2 3/4" per turn and has a maximum rise of 19 1/8"

No need to commit to a single big design if you don't have the space or your tastes change

8 7/8 turns: 25 "

7 1/2 turns: 20 1/4"

5 7/8 turns: 15 1/2"

perfectly aligned using the included alignment jigs

5 1/2 turns: 16 1/8"

1 3/4 turns: 5 "