Just finished up a quartet of U30s in Kaiser Steel colors to pull my Kaiser/Southern Pacific iron ore unit train.
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I wasn't really expecting the four units to pull the whole darned thing up and over our 2 1/2 % grades, but Mister Athearn must have designed better than he knew. (Kaiser only used four units at a time to pull the 100-car trains back in the day, but it's downhill all the way from the Eagle Mountain Mine to Ferrum on the east side of the Salton Sea. There the S.P. swapped in their road power to drag the cars over Beaumont Hill, and the S.P. commonly used 20 GP9s to power the train......a six-unit road engine, a ten-unit swing helper, and four more units pushing in back.)
Aside from details and weathering, all four units have been hard- wired, the stock Athearn sintered-iron wheelsets have been replaced with solid nickel-silver wheelsets from NWSL, and each unit now carries an extra 2 ounces of lead inside the shell.
Lighting and a crew for the cab of the lead unit will be arriving shortly; then I've got to scratchbuild a Kaiser caboose to bring up the rear end.
~Pete