N Scale Bluford Shops PRR 30' 6" Hopper Single

N Scale Bluford Shops PRR 30' 6" Hopper Single

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$24.00
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$20.00
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Bluford Shops has four body styles for your N scale freight car fleet: 2-Bay Offset Side Hoppers, 2-Bay War Emergency Composite Hoppers, 2-Bay Rebuilt War Emergency Hoppers and 8-Panel 2-Bay Hoppers. These ready-to-run cars feature: die cast slope sheet-hopper bay-center sill assembly; injection molded plastic sides, ends, and hopper doors; fully molded brake tank, valve and air lines; body mounted brake hose detail; load; body mounted magnetically operating knuckle couplers; close coupling; and Fox Valley Models metal wheels.

A 2-bay hopper design with offset sides was first proposed in the 1920s and first appeared in the form seen here in 1934. The AAR adopted it as a standard design the following year. The offset design permitted greater interior capacity than a rib side car with the same outside dimensions. It was thought this more than made up for the car’s higher cost of construction. The last new 2-bay offset side hoppers were built in 1960.

The story of these 2-Bay War Emergency Hoppers begins in 1942 when the War Production Board directed car builders to substitute wood for steel wherever possible in car superstructures. The familiar 2-Bay War Emergency Composite Hopper was a result of this directive. Those cars had wooden side sheets and end slope sheets (although the middle slope sheets remained steel.)

The wood siding was thicker than comparable steel sheeting and this reduced the capacity of the cars. While you could build ten composite cars with the steel from nine all-steel cars, it took more composite cars to move the same amount of coal. This combined with the more frequent repairs required by the composite cars soured the War Production Board on the design.

During 1944, the directive was set aside and cars that were on order were delivered with the familiar diagonal bracing but with all steel construction. After the war, as composite cars came due for serious maintenance, the wood side and slope sheets were replaced with steel. A large majority of the composite cars were rebuilt in this manner sometime during the 1950s.

While a few railroads were quick to try out the 8-panel design as early as the 1930s, most 8-panel cars were the result of rebuilding fleets of offset side hoppers in the 1960s. Cars with the 8-Panel design were much cheaper and easier to fabricate than cars with the offset side design. The relatively smooth interior faces also resisted corrosion better.

All road names are made in multiple road numbers.