Double Pinwheel Helix

Double Pinwheel Helix 6

Lots of track plans need a helix, especially if you’re trying to build a double-deck layout to capture your favorite mountain railroad. Ever wonder why I draw most of my helices on Appalachian Railroad Modeling track plans as octagons? Here’s why…

I’ve never heard any model railroader talk about how much fun it was to build a helix, but I know plenty who dread this step in their construction. Building a helix is daunting because it’s a whole lot of track and subroadbed crammed into a vertical circle, and it’s usually hidden, so its construction needs to be bulletproof. My layout requires not one helix but two, so I wanted to find a way to make them in the most … Read more