KitHelix™ N scale, 2 track, 21.0"/2.90%, 23.0"/2.65%, 6 turns outergrade2-19

KitHelix™ N scale, 2 track, 21.0"/2.90%, 23.0"/2.65%, 6 turns outergrade2-19This helix rises 3 13 16" per turn and has a maximum rise of 23". Available exit points in the top loop of this helix are at the following vertical rises: 5 1 8 turns: 19 5 8", 5 1 4 turns: 20 1 8", 5 3 8 turns: 20 5 8", 5 1 2 turns: 21 ", 5 5 8 turns: 21 1 2", 5 3 4 turns: 22 ", 5 7 8 turns: 22 1 2", 6 turns: 23 " Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

This helix rises 3 1/2" per turn and has a maximum rise of 14 1/8"

6 5/8 turns: 17 "

Available exit points in the top loop of this helix are at the following vertical rises: 5 1/8 turns: 13 3/8"

5 5/8 turns: 21 "

4 3/8 turns: 13 "

4 3/4 turns: 16 3/4"

Available exit points in the top loop of this helix are at the following vertical rises: 8 1/8 turns: 21 3/4"

This helix rises 4 1/4" per turn and has a maximum rise of 12 3/4"

This helix rises 4 1/4" per turn and has a maximum rise of 17"

3 turns: 8 1/4"

4 3/8 turns: 13 3/8"

4 turns: 14 3/8"