KitHelix™ N scale, 2 track, 17.5"/2.50%, 19.5"/2.24%, 8 turns innerradius16-0

KitHelix™ N scale, 2 track, 17.5"/2.50%, 19.5"/2.24%, 8 turns innerradius16-0This helix rises 2 3 4" per turn and has a maximum rise of 22". Available exit points in the top loop of this helix are at the following vertical rises: 7 1 8 turns: 19 5 8", 7 1 4 turns: 19 7 8", 7 3 8 turns: 20 1 4", 7 1 2 turns: 20 5 8", 7 5 8 turns: 21 ", 7 3 4 turns: 21 1 4", 7 7 8 turns: 21 5 8", 8 turns: 22 " Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

6 1/4 turns: 19 1/8"

5 7/8 turns: 18 5/8"

9 turns: 25 3/4"

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

7 turns: 23 "

8 1/2 turns: 24 1/2"

7 3/4 turns: 22 1/4"

5 1/2 turns: 15 3/4"

6 3/8 turns: 19 3/4"

6 5/8 turns: 20 1/8"

Available exit points in the top loop of this helix are at the following vertical rises: 2 1/8 turns: 5 7/8"

2 1/4 turns: 7 7/8"