KitHelix™ N scale, 1 track, 17.5"/2.90%, 5 turns radius17-0

KitHelix™ N scale, 1 track, 17.5"/2.90%, 5 turns radius17-0This 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.

2 1/4 turns: 6 1/2"

This helix rises 2 9/16" per turn and has a maximum rise of 17 7/8"

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

Available exit points in the top loop of this helix are at the following vertical rises: 5 1/8 turns: 14 "

5 7/8 turns: 15 1/4"

Available exit points in the top loop of this helix are at the following vertical rises: 4 1/8 turns: 11 7/8"

NMRA Standard side clearance of 1”

2 5/8 turns: 8 1/8"

6 3/4 turns: 17 5/8"

7 1/4 turns: 18 3/4"

This helix rises 2 13/16" per turn and has a maximum rise of 19 5/8"

4 5/8 turns: 11 7/8"