BLI 8514 N Scale M1b 4-8-2 Steam Loco Pennsylvania PRR 6736 Paragon4 (Sound/DC/DCC) trx-4m Authors Paul and David Bradt

Authors Paul and David Bradt show how inexpensive Arduino and Raspberry Pi microcontrollers can be used to control sound

Laser etched tool size

Modelers generally refer to the pre-1966 cars as low sides and the later cars as high sides

Bowser 43481 HO Scale 70 Ton 14 Panel 3 Bay Hopper Penn Central PC 459644

ScaleTrains 38761 Rivet HO GE C39-8 Phase III CSX YN3 7482 DCC & Sound

BLI 8514 N Scale M1b 4-8-2 Steam Loco Pennsylvania PRR 6736 Paragon4 (Sound/DC/DCC) trx-4m Authors Paul and David BradtBLI 8514 N Scale M1b 4 8 2 Steam Loco Pennsylvania PRR 6736 Paragon4 (Sound DC DCC) The M1a's and M1b's are 4 8 2 "mountain" type steam locomotives operated by the Pennsylvania Railroad. Used primarily for hauling freight, many PRR crews regarded the M1's as the pinnacle of the railroad's steam power. Standout features on both classes are the square shouldered Belpaire firebox, the 72 inch driving wheels, and a large cross mounted air tank positioned