Walthers 910-46503 HO Scale 50' AAR Single Door Boxcar Santa Fe ATSF 12226 4x4 Hoss The prerequisites for the site

The prerequisites for the site were modest - a concrete platform for attaching the catapult and supporting the gas generator trolley

Long travel shocks soak up the energy from big bumps and jumps

Walthers Proto 920-9871 HO Scale Budd 10-6 Sleeper Union Pacific UP "Pacific Union"

2 channel radio system

Playback Whistle for multiple whistle lengths and patterns

Walthers 910-46503 HO Scale 50' AAR Single Door Boxcar Santa Fe ATSF 12226 4x4 Hoss The prerequisites for the siteWalthers 910 46503 HO Scale 50' AAR Single Door Boxcar Santa Fe ATSF 12226 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. Just