KitHelix™ N scale, 1 track, 16.0"/2.90%, 2 turns radius15-0

KitHelix™ N scale, 1 track, 16.0"/2.90%, 2 turns radius15-0This helix rises 2 15 16" per turn and has a maximum rise of 5 7 8". 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 3 8", 1 5 8 turns: 4 3 4", 1 3 4 turns: 5 1 8", 1 7 8 turns: 5 1 2", 2 turns: 5 7 8" Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

3 3/4 turns: 11 "

5 1/2 turns: 15 1/4"

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8 7/8 turns: 25 5/8"

3 3/8 turns: 9 7/8"

1 1/2 turns: 4 1/8"

9 turns: 24 3/8"

6 1/2 turns: 19 1/2"

Helix tiles (minimum 8 per loop) with engraved track centerlines for easy laying of subroadbed and track

2 1/2 turns: 7 7/8"

Assembled oval dimension:  41" x 29"

2 3/8 turns: 6 5/8"