How To Build and Install a Closed Frog Switch
NASG Dispatch 2004 #2 April
To be able to operate both AF and hi-rail/scale equipment, turnout have to be of the closed-frog variety. This article describes how to build and install one of these. The author used Micro Engineering code 148 rail (compatible with American Models' track), and Circuitron's Tortoise switch machines. Includes many close-up photos.