KitHelix™ N scale, 2 track, 15.5"/3.00%, 17.5"/2.66%, 4 turns innergrade2-90

KitHelix™ N scale, 2 track, 15.5"/3.00%, 17.5"/2.66%, 4 turns innergrade2-90This helix rises 2 15 16" per turn and has a maximum rise of 11 5 8". Available exit points in the top loop of this helix are at the following vertical rises: 3 1 8 turns: 9 1 8", 3 1 4 turns: 9 1 2", 3 3 8 turns: 9 7 8", 3 1 2 turns: 10 1 4", 3 5 8 turns: 10 5 8", 3 3 4 turns: 11 ", 3 7 8 turns: 11 3 8", 4 turns: 11 5 8" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

Available exit points in the top loop of this helix are at the following vertical rises: 1 1/8 turns: 3 5/8"

This helix rises 3 13/16" per turn and has a maximum rise of 19 1/8"

This helix rises 3 3/8" per turn and has a maximum rise of 6 3/4"

1 1/2 turns: 5 "

This helix rises 2 7/8" per turn and has a maximum rise of 11 5/8"

8 3/4 turns: 22 5/8"

This helix rises 3 15/16" per turn and has a maximum rise of 19 3/4"

1 3/8 turns: 3 3/4"

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

This helix rises 2 9/16" per turn and has a maximum rise of 23 3/8"

5 3/4 turns: 15 "

4 5/8 turns: 15 "