KitHelix™ N scale, 1 track, 20.5"/2.80%, 4 turns Helix upgrade spiral direction:CounterClockwise is upgrade

KitHelix™ N scale, 1 track, 20.5"/2.80%, 4 turns Helix upgrade spiral direction:CounterClockwise is upgradeThis helix rises 3 5 8" per turn and has a maximum rise of 14 3 8". Available exit points in the top loop of this helix are at the following vertical rises: 3 1 8 turns: 11 1 4", 3 1 4 turns: 11 3 4", 3 3 8 turns: 12 1 8", 3 1 2 turns: 12 5 8", 3 5 8 turns: 13 1 8", 3 3 4 turns: 13 1 2", 3 7 8 turns: 14 ", 4 turns: 14 3 8" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

4 1/2 turns: 16 1/2"

Available exit points in the top loop of this helix are at the following vertical rises: 7 1/8 turns: 23 "

3 3/8 turns: 13 "

3 3/4 turns: 10 3/8"

3 turns: 10 "

9 1/2 turns: 24 3/8"

5 3/4 turns: 16 3/4"

yet lightweight with better flexibility and smooth roadbed throughout your helix

This helix rises 2 3/4" per turn and has a maximum rise of 22"

5 3/4 turns: 19 1/4"

5 3/4 turns: 20 1/4"

This helix rises 2 11/16" per turn and has a maximum rise of 21 3/4"