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Philadelphia & Reading No. 100
United States | 1902 | only one produced
After the rebuild to 4-4-2 from 1913
After the rebuild to 4-4-2 from 1913
Original state with wheel arrangement 4-4-0
Original state with wheel arrangement 4-4-0

One of the Philadelphia & Reading inspection engines was number 100, built by Baldwin in 1902. It originally had a 4-4-0 wheel arrangement and a narrow boiler. The boiler was deeply embedded in the passenger compartment and there were four armchairs on each of its sides. In 1913 it was rebuilt with the wheel arrangement 4-4-2, although it was technically almost a new vehicle. As a result, it had larger driving wheels, larger cylinders and a new boiler. This was also long and small in diameter, but now also had a flat Wootten firebox. It was now able to pull two passenger cars without any problems and was in use until 1929.

Variantas builtrebuilt 4-4-2
General
Built19021913
ManufacturerBaldwin
Axle config4-4-0 (American) 4-4-2 (Atlantic) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Wheelbase20 ft 4 in26 ft 7 in
Fixed wheelbase6 ft 6 in14 ft 6 in
Service weight98,000 lbs161,500 lbs
Adhesive weight64,000 lbs98,375 lbs
Total weight180,000 lbs299,500 lbs
Axle load32,000 lbs49,188 lbs
Water capacity3,500 us gal6,000 us gal
Fuel capacitycoal19,500 lbs (coal)
Power
Power sourcesteam
Estimated power500 hp (373 kW)800 hp (597 kW)
Optimal speed19 mph23 mph
Starting effort16,377 lbf21,710 lbf
Power Plant
Driver diameter60 in68.5 in
Boiler pressure200 psi225 psi
Expansion typesimple
Cylinderstwo, 17 x 20 intwo, 18 x 24 in
Boiler
Grate area24.7 sq ft63 sq ft
Firebox area88.3 sq ft120 sq ft
Tube heating area910.7 sq ft1,154 sq ft
Evaporative heating area999 sq ft1,274 sq ft
Total heating area999 sq ft1,274 sq ft
Calculated Values
steam locomotive
passenger
inspection engine
last changed: 08/2023
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