Shay - Electrical
IV - Cab & Tender Lamps
Nelson Riedel Nelson@NelsonsLocomotive.com
Initial: 05/10/04 Last Revised: 06/06/2004
The tasks are to:
Fabricate a light to illuminate the steam pressure and
Make tender headlamp and mounting arrangement.
Connect wiring from lamps to switch panel.
|Tender Headlamp: The shays in many cases were used on
short line and logging railroads where there was no way to
turn them around so they ran forward in one direction and
backwards in the other direction. As seen in
the photo on the right, the Cass 5 tender headlamp is identical to
the headlamp at the front. The mounting arrangement is
however simpler. The lamp case attaches directly to the base
which in turn is held above the tender top with rods or pieces of
|Tender Lamp: The photo shows the finished tender
lamp. The basic lamp was made just like the headlamp.
A brass base was made by milling a radius to match the radius of
the lamp case. The flat base is steel. The
spacers are 3/16" copper plumbing tube. The base is
attached to the tender top with 4-40 screws that go through the
When making the front headlamp I found that it was very
difficult to get silver solder as well as soft solder to stick to
the exhaust tube used for the lamp case. This time it
was impossible to solder to the tube. I had assumed the
material was plain steel. If it is steel, it has some
additive to keep solder from sticking --- maybe it's a corrosion preventative.
This time all the parts were screwed
Lamp Wiring: The feed wire for the headlamp and cab lamp goes
from the connector between the tender and the locomotive (see Electrical
I), under the cab floor and then up through the hole for the left side feed water
pipes at the left rear of the backhead. The plan is to
install female pin plugs on the power wire and use male pin plugs on the end of the cab lamp and headlamp wires.
The three are currently tied together with a wire nut in the left front
bottom corner of the cab. The cab
lamp wire runs along the bottom edge of the left cab side. The
headlamp wire is currently fastened to the feed water pipes on the left side
of the boiler and then along the pipes than run down the rear of the boiler.
This wire will run in the hand rail when it is installed
The tender lamp power wire is routed from the switch panel to under the
overflow pipe. The lamp wire goes into the tank through a
grommet under the lamp and then down the overflow pipe. The two wires are
currently connected together under the tender frame using a wire
nut. That connection will also be converted a pin plug at some
I think this finishes everything needed to run the shay at the
track. The problem now is to get to the track and to get the
shay to run.