Barry Bogs scratch-built  1/22.5 scale Union Pacific  4-8-8-4 Big Boy  4018

Barry has started his largest locomotive project to date, maybe ever, scratch building a  U.P.  Big Boy  in 1/22.5 scale.  More challenging previous models, this one started off with having to machine the drivers in a friend's machine shop. The real engine is just over 132 feet long.  His G scale model will be almost 72 inches long and run on Gauge 3 track. Read about the prototype via links below, and follow the progress here as he shares updates to the project.

	Barry's project introduction and history		photos and video of the prototypes		details, pictures and links on Wikipedia
	9/27/20  work starts on drivers		1/31/21  pilot pumps and shield		10/02/21  right side completed
	10/1/20  tender trucks are built		2/20/21  pilot deck built		10/09/21  engine itself completed
	10/14/20  tender trucks built		4/17/21  boiler build		5/5/22  tender & drive painted
	10/25/20  tender body is started		5/22/21  boiler backhead & cab		5/12/22  PAINTED & near complete
	11/7/20  tender castings assembled		7/1/21  running boards, frame extension		5/13/22  Maiden Run
	11/23/20  tender completed		7/10/21  smoke stack and smoke door		5/14/22  Big Boy & L-131 side-by-side
	11/29/20  drivers at the machine shop		7/17/21  turret cover, steam dome
	1/1/21  running gear and chassis work		8/19/21  sand domes
	1/10/21  valve gear and details added		9/11/21  upper boiler details
	1/21/21  rear trailing truck assemble		9/12/21  major steam piping
	1/24/21  pilot is built		9/19/21  left side completed

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Page last updated  6 /3 / 22  .