KitHelix™ N scale, 2 track, 20.5"/2.30%, 22.5"/2.10%, 5 turns outergrade2-61

KitHelix™ N scale, 2 track, 20.5"/2.30%, 22.5"/2.10%, 5 turns outergrade2-61This helix rises 2 15 16" per turn and has a maximum rise of 14 7 8". Available exit points in the top loop of this helix are at the following vertical rises: 4 1 8 turns: 12 1 4", 4 1 4 turns: 12 5 8", 4 3 8 turns: 13 ", 4 1 2 turns: 13 3 8", 4 5 8 turns: 13 3 4", 4 3 4 turns: 14 1 8", 4 7 8 turns: 14 1 2", 5 turns: 14 7 8" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more

6 3/4 turns: 20 5/8"

7 7/8 turns: 21 7/8"

Minimum above railhead height clearance of 3

3 3/4 turns: 14 "

This helix rises 2 7/8" per turn and has a maximum rise of 25 3/4"

This helix rises 2 7/8" per turn and has a maximum rise of 17 1/8"

8 1/4 turns: 23 "

8 3/8 turns: 22 7/8"

5 3/8 turns: 15 5/8"

3 3/4 turns: 9 1/2"

3 1/4 turns: 15 3/8"

3 1/4 turns: 9 7/8"