BLI 7808 HO Scale Pennsylvania Q2 Duplex 4-4-6-4 Steam Loco 6190 Paragon4 Hybrid Northern Alberta This is American Model Builders

This is American Model Builders 625 The Pickle Works

and easy to fly

Splined front axle with adjustable caster

Based on common prototypes used throughout North America

BLI 7808 HO Scale Pennsylvania Q2 Duplex 4-4-6-4 Steam Loco 6190 Paragon4 Hybrid Northern Alberta This is American Model BuildersBLI 7808 HO Scale Pennsylvania Q2 Duplex 4 4 6 4 Steam Loco (Brunswick Green 5 Stripe) 6190 Paragon4 Hybrid In 1942, the PRR built an experimental duplex drive freight locomotive, the Q1, with a 4 6 4 4 wheel arrangement. in 1944, after identifying a number of flaws with the Q1, the PRR built a second prototype, changing the wheel arrangement to a 4 4 6 4 and creating class Q2. This was followed by 25 production Q2 steam locomotives in 1945. These