helix

Hello to all, I'm new here, so hopefully, I'm in the right section! Does anyone have any thoughts on the helix kits from trackside scenery. I'm having trouble understanding how fixed spaced risers can effectively create. a Helix. It seems to me, for every level, there should be a smooth...

I originally bought 2 pair of helix kits on the internet to build fou aour N Scale layout. Eventually, when we got around to start the actual build, we found that the MDF cutting was very poor and the kit was, really, not usable so we decided to design and build 2 helices ourselves. My wife and...

Happy new year! Can someone tell me the best way to design benchwork to support an HO helix, which is basically a doughnut table! I would like to be able to shimmy up inside the doughnut hole for repair work. I am using L girder benchwork. The helix is for two levels about 18 inched...