Fuel OIL specifically, 390 gallons capacity, heated the water (2,755 gallons
capacity) in the steam boiler for passenger car heating. The "G's" were
built in 1934 thru 41 or 42, long before Head End Power or HEP.
The GG1's (named because they were basically TWO PRR G class 4-6-0
locomotives, back to back) also used 4 different voltages to operate. The
main
voltage was the 11,000 volts, 25 cycle, single phase A/C provided by the
overhead
wire or catenary. Traction motors required 340 volts A/C to drive each of the
12 quill drive motors. Signal voltage was 32 volts. Believe 220 rounded
out the quartet.
The rated horsepower was 4,600, BUT, a skillful engineer could get close to
9,000 short term HP "against the breakers" to get out of a station. TRULY an
engineering marvel, the G's were finally disabled by the death of steam
(annealing furnaces in Altoona closed) and Federal Gov't witch hunting with
PCB's. Anecdotally, the Pennsylvania Dept of Environmental Persecution (DEP),
fined the Pennsylvania Historical and Museum Commission because GG1 4800,
"Old
Rivets" supposedly leaked PCB's on the Railroad Museum of Pennsylvania
(RRMPA) ground. Makes a lot of sense, just took money away that was sorely
needed
for restoration efforts. Made a DEP bureaucrat look good, I guess.
As always, Thanks to Al Stauffer for the numbers, been a lot of years since
the State left me sit in the cab of "BlackJack".
Jim "can see the catenary from here" Lyle
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