Information about the PRR hopper.
Information about the scratchbuilt model.
Building the frame of the model.
Building the hopper body itself.
Concealing weight in the body.
Completing the interior detailing.
Completing the exterior of the body.
Adding bay details.
Installing the brake system components.
Forming and installing grab irons.
Adding some more bits 'n' pieces.
Trucks, wheels, and couplers.