7
7. At the other end of the plastic control rod, a
BullFrog manual switch machine moves the points.
The BullFrog has been fitted with a larger wooden face
to support the control rod, since the use of clevises
required moving the position of the rod.
Realistic switch control - 4
Cut the extension from 3/8” diameter brass tube. Length will
vary depending on the shelf used, but it needs to be long
enough to connect to the bottom of the stand and extend
about an inch below the shelf.
Cut a collar for this extension from 7/16” brass tube. The
length will be the same as the depth of the shelf. Clean up the
cut ends to make sure the 3/8” brass tube slides smoothly
through this collar.
Solder a 1” length of brass bar stock (see Bill of Materials) to
the bottom of the extension tube creating a lever. Drill a couple
MRH-Aug 2014
