Bolster Holes
Fill the hole in the bolster where the old truck snapped in. There are several ways to do this. I have used pieces of sprue left over from a model that happens to fit.
Bolster Wagon
A flat open wagon having horizontal bolsters (relatively narrow boards projecting above the surface of the wagon and running across the width of the vehicle).
Bolster - Trucks are attached to these cross-members, which are found under each end of a railway car body. Bolsters are positioned near both ends of a car's underframe.
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Bolster
The crosswise member of the frame of a car at the truck (body bolster) or the crosswise piece at the center of a truck (truck bolster).
Boomer ...
Bolster Part of a railroad car body underneath that connects the truck's pivot to the body. Also refers to the cross members. On trucks, the piece between the side frames.
Bolster Stop
A device that, when properly installed, limits the lateral movement of a drawbar.
Bolt-Lock Switch ...
To bolster our brush cutting efforts in 2007, CMRR plans increasing mowing and maintenance from Kingston to Phoenicia, so that brush never builds up again on the line.
The car body rests on a set of fthe rubber air cushions or bags, two being arranged on each bogie bolster. Compressed air is fed into the bags under the control of a levelling valve to ensure the correct pressure is maintained.
Range, left to right, of actual distance of lateral extremities of car or load from Track Centerline, taking into account the midordinate and endswing offsets resulting from a specified maximum track curvature, truck or bolster centers, ...
If you use Civil War soldiers to bolster the ranks when playing Army Men, which side do the Confederates go to?
What is the most survivable vehicle? M48, Half Track, Armored car, Jeep, Lionel diecast 4-4-2 locomotive, Motorcycle?
Next, let's move on to the underframe bolsters. This is where I reduce wobble. Remember those horn-hook couplers you threw away?
The bolster to frame contact is another possible problem. Connections at both ends of the drawbar are also places for OHM BUGS to lurk. The tender almost always has less weight on the wheels to mash dirt on the rails.
Kingpin - A plastic pin or screw that attaches the truck of a model railroad car to the bolster on that car. A steel pin that conects the wheel set or bogie to the bolster at the pivot point on a real or prototype railroad car.
A large bolt which passes through the center plates on the body bolster and truck bolster. The truck turns about the bolt, but the stress is taken by the center plates. It is, therefore, a mere pin and not a bolt in the usual sense.
Center Plate ...
It is characterized by sets of coil springs between the bolster and the truck frame. The standard Type A switcher truck is a stiff, hard-riding truck; the four-wheel Flexicoil truck lets switchers ride better at road speeds.
 See also: Track, Point, Locomotive, Operation, Train
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