assembly together. However, it is hard to find ring terminals for
#2 screws and folks usually want you to buy a hundred or so.
I keep the copper rings that I take off motor tabs. The N-scale
tabs are perfect to use as tabs for 2-56 screws.
The wipers rub against the axle and transfer the power to the
bolster mounting screw. Inside the car, an electrical contact
transfers power to your lighting kit. The truck on one end of
the car has the insulated wheels on one side. The opposite end
has the other side insulated.
Figure 6 shows how much excess material there is, which
needs to be trimmed for HO. This excess allows usage on much
larger trucks, even as large as O scale. While the stainless steel
isn’t as conductive as copper, it is fine for this usage. Its ability
to hold a shape helps keep it in contact with the axle.
To assemble the truck and wiper, I like to have the wheels
out of the bolster. Feed the screw through the stainless wiper
and through a hole in the floor of the car (7). Run one 2-56
nut down the screw until it is loose just above the floor inside
6: Richmond Controls wiper kit and Intermountain
wheels on an HO scale truck
6
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