Walthers 910-46525 HO Scale 50' AAR Single Door Boxcar Pennsylvania PRR 72680 Spur Gear - Mod 0.8 High strength to weight ratio

High strength to weight ratio

15-1/8 x 3-3/4" 38

It features variable geometry wings that swing automatically between 20° and 68° during flight

2 just like the Team Associated Factory Team drivers' cars

Tangent Scale Models 19016 GA 1917-design 8000 Gal Tank Car Dunbar Molasses DMSX

Walthers 910-46525 HO Scale 50' AAR Single Door Boxcar Pennsylvania PRR 72680 Spur Gear - Mod 0.8 High strength to weight ratioWalthers 910 46525 HO Scale 50' AAR Single Door Boxcar Pennsylvania PRR 72680 The Association of American Railroads had been trying to set design standards for freight cars starting in the early 20th century. The early designs were not widely embraced. Many railroads preferred their own designs. By the time the 1937 AAR boxcar was introduced, this had begun to change as each new design standard provided higher capacity, lighter, more durable cars.