KitHelix™ N scale, 2 track, 20.5"/2.90%, 22.5"/2.64%, 3 turns Helix upgrade spiral direction:CounterClockwise is upgrade

KitHelix™ N scale, 2 track, 20.5"/2.90%, 22.5"/2.64%, 3 turns Helix upgrade spiral direction:CounterClockwise is upgradeThis helix rises 3 3 4" per turn and has a maximum rise of 11 1 4". Available exit points in the top loop of this helix are at the following vertical rises: 2 1 8 turns: 8 ", 2 1 4 turns: 8 3 8", 2 3 8 turns: 8 7 8", 2 1 2 turns: 9 3 8", 2 5 8 turns: 9 3 4", 2 3 4 turns: 10 1 4", 2 7 8 turns: 10 3 4", 3 turns: 11 1 4" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

6 5/8 turns: 19 5/8"

This helix rises 3 " per turn and has a maximum rise of 8 7/8"

1 5/8 turns: 4 5/8"

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

5 turns: 21 1/8"

4 3/8 turns: 16 3/4"

5 3/8 turns: 17 1/2"

5 1/2 turns: 20 3/8"

5 3/8 turns: 14 1/2"

9 turns: 25 1/4"

3 5/8 turns: 12 3/4"

Add more modules to your layout at any time as every T-TRAK module connects to all other T-TRAK modules