KitHelix™ HO scale, 1 track, 30.0"/2.30%, 3 turns outergrade2-61

KitHelix™ HO scale, 1 track, 30.0"/2.30%, 3 turns outergrade2-61This helix rises 4 5 16" per turn and has a maximum rise of 13". Available exit points in the top loop of this helix are at the following vertical rises: 2 1 8 turns: 9 1 4", 2 1 4 turns: 9 3 4", 2 3 8 turns: 10 1 4", 2 1 2 turns: 10 7 8", 2 5 8 turns: 11 3 8", 2 3 4 turns: 11 7 8", 2 7 8 turns: 12 1 2", 3 turns: 13 " Our Design: Our construction system uses alignment jigs (included in your kit), making the build faster, easier and more accurate.

5 3/4 turns: 17 3/4"

Birch Ply Grid Top option has engraved grid lines on a 1 inch spacing for easy and accurate planning and positioning of track and scenic items

6 1/4 turns: 16 "

5 3/4 turns: 20 3/4"

6 7/8 turns: 21 "

4 3/4 turns: 17 1/2"

3 turns: 8 3/8"

7 1/2 turns: 22 3/4"

5 turns: 15 1/4"

7 turns: 19 "

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

Easy to build with step-by-step assembly guide included