KitHelix™ N scale, 1 track, 17.5"/2.70%, 8 turns radius14-0

KitHelix™ N scale, 1 track, 17.5"/2.70%, 8 turns radius14-0This helix rises 3 " per turn and has a maximum rise of 23 3 4". Available exit points in the top loop of this helix are at the following vertical rises: 7 1 8 turns: 21 1 8", 7 1 4 turns: 21 1 2", 7 3 8 turns: 21 7 8", 7 1 2 turns: 22 1 4", 7 5 8 turns: 22 5 8", 7 3 4 turns: 23 ", 7 7 8 turns: 23 3 8", 8 turns: 23 3 4" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

5 1/4 turns: 16 7/8"

5 5/8 turns: 17 5/8"

8 1/4 turns: 21 3/8"

5 1/4 turns: 13 7/8"

8 3/8 turns: 21 7/8"

This helix rises 2 15/16" per turn and has a maximum rise of 14 3/4"

7 3/8 turns: 23 5/8"

This helix rises 2 15/16" per turn and has a maximum rise of 23 1/2"

NMRA standards info

"Oh that is so cool

6 3/4 turns: 17 1/8"

5 turns: 14 5/8"