KitHelix™ N scale, 2 track, 16.5"/2.50%, 18.5"/2.23%, 10 turns grade2-20

KitHelix™ N scale, 2 track, 16.5"/2.50%, 18.5"/2.23%, 10 turns grade2-20This helix rises 2 9 16" per turn and has a maximum rise of 25 7 8". Available exit points in the top loop of this helix are at the following vertical rises: 9 1 8 turns: 23 5 8", 9 1 4 turns: 24 ", 9 3 8 turns: 24 1 4", 9 1 2 turns: 24 5 8", 9 5 8 turns: 25 ", 9 3 4 turns: 25 1 4", 9 7 8 turns: 25 5 8", 10 turns: 25 7 8" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

3 7/8 turns: 14 "

6 top panels that secure together to create the sub-roadbed

This helix rises 3 15/16" per turn and has a maximum rise of 15 7/8"

This helix rises 2 9/16" per turn and has a maximum rise of 20 1/2"

4 3/4 turns: 18 3/8"

7 3/4 turns: 21 5/8"

4 turns: 12 5/8"

3 7/8 turns: 11 1/2"

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

7 5/8 turns: 23 3/8"

2 3/4 turns: 7 7/8"

Available exit points in the top loop of this helix are at the following vertical rises: 1 1/8 turns: 3 1/8"