KitHelix™ N scale, 2 track, 17.5"/2.90%, 19.5"/2.60%, 5 turns radius16-0

KitHelix™ N scale, 2 track, 17.5"/2.90%, 19.5"/2.60%, 5 turns radius16-0This helix rises 3 3 16" per turn and has a maximum rise of 16". Available exit points in the top loop of this helix are at the following vertical rises: 4 1 8 turns: 13 1 8", 4 1 4 turns: 13 1 2", 4 3 8 turns: 14 ", 4 1 2 turns: 14 3 8", 4 5 8 turns: 14 3 4", 4 3 4 turns: 15 1 8", 4 7 8 turns: 15 1 2", 5 turns: 16 " Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

9 turns: 25 1/2"

6 7/8 turns: 17 7/8"

Available exit points in the top loop of this helix are at the following vertical rises: 4 1/8 turns: 12 7/8"

6 1/2 turns: 20 7/8"

3 turns: 8 3/8"

7 7/8 turns: 25 "

This helix rises 2 7/8" per turn and has a maximum rise of 14 1/2"

6 7/8 turns: 20 1/4"

6 5/8 turns: 20 1/8"

2 turns: 7 7/8"

5 turns: 12 3/4"

6 3/8 turns: 20 3/4"