KitHelix™ N scale, 2 track, 19.0"/2.40%, 21.0"/2.17%, 2 turns outergrade2-51

KitHelix™ N scale, 2 track, 19.0"/2.40%, 21.0"/2.17%, 2 turns outergrade2-51This helix rises 2 7 8" per turn and has a maximum rise of 5 3 4". Available exit points in the top loop of this helix are at the following vertical rises: 1 1 8 turns: 3 1 4", 1 1 4 turns: 3 5 8", 1 3 8 turns: 4 ", 1 1 2 turns: 4 1 4", 1 5 8 turns: 4 5 8", 1 3 4 turns: 5 ", 1 7 8 turns: 5 3 8", 2 turns: 5 3 4" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate. Precision

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

Available exit points in the top loop of this helix are at the following vertical rises: 7 1/8 turns: 19 3/8"

This helix rises 3 1/2" per turn and has a maximum rise of 20 7/8"

4 3/8 turns: 13 "

1 7/8 turns: 5 1/8"

This helix rises 2 3/4" per turn and has a maximum rise of 24 5/8"

This helix rises 3 3/16" per turn and has a maximum rise of 12 5/8"

This helix rises 2 9/16" per turn and has a maximum rise of 25 5/8"

8 1/4 turns: 21 1/2"

3 turns: 9 3/8"

Proprietary “Single Helix Tile” design

6 1/2 turns: 22 1/4"