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- PRR_AA1 abstract "The Pennsylvania Railroad's class AA1 comprised two experimental electric locomotives constructed in 1905 by Westinghouse at the start of the PRR's electrification project.They were testbeds for larger locomotives to come. Both were of B-B wheel arrangement in the Association of American Railroads classification scheme; each had two trucks, each with two axles and four wheels. The first, #10001, used gearless motors attached to the axles. The second, #10002, was built with motors mounted in the truck frames and geared to the wheels. Later on it was given one gearless truck.Both locomotives proved unstable at speed, pounding the track with high lateral forces. A competing experimental unit, "Odd D" #10003, of 4-4-0 wheel arrangement in Whyte notation or 2-B in the AAR scheme, proved much more stable. It was selected as the basis for the production model, which became the PRR DD1 twin-unit locomotive.At low speeds in switching service, however, the locomotives were acceptable. The first, #10001, was renumbered #3950 and was sold to the (PRR subsidiary) Long Island Rail Road in 1916. Numbered 323 on that road and nicknamed "Phoebe", the locomotive was in use until 1937 when it was scrapped.No. 10002, meanwhile, was renumbered #3951 and continued in service on the PRR.".
- PRR_AA1 activeYearsEndYear "1905".
- PRR_AA1 activeYearsStartYear "1905".
- PRR_AA1 builder Pennsylvania_Railroad.
- PRR_AA1 builder Westinghouse_Electric_(1886).
- PRR_AA1 numberBuilt "2".
- PRR_AA1 thumbnail PRR_AA1_10002.jpg?width=300.
- PRR_AA1 wikiPageID "3634065".
- PRR_AA1 wikiPageRevisionID "582550012".
- PRR_AA1 aarwheels "B-B".
- PRR_AA1 builddate "1905".
- PRR_AA1 builder "Pennsylvania Railroad Altoona Works, also Westinghouse".
- PRR_AA1 caption "PRR AA1 #10002".
- PRR_AA1 collectionmethod Third_rail.
- PRR_AA1 electricsystem "600".
- PRR_AA1 hasPhotoCollection PRR_AA1.
- PRR_AA1 locoweight "10001".
- PRR_AA1 locoweight "10002".
- PRR_AA1 name "PRR AA1".
- PRR_AA1 powertype "Electric".
- PRR_AA1 serialnumber "EZN-7, EZN-8".
- PRR_AA1 totalproduction "2".
- PRR_AA1 wheelbase "Overall:".
- PRR_AA1 wheelbase "Truck:".
- PRR_AA1 subject Category:600V_DC_third_rail_locomotives.
- PRR_AA1 subject Category:B-B_locomotives.
- PRR_AA1 subject Category:Electric_locomotives_of_the_United_States.
- PRR_AA1 subject Category:Experimental_locomotives.
- PRR_AA1 subject Category:Long_Island_Rail_Road.
- PRR_AA1 subject Category:Pennsylvania_Railroad_locomotives.
- PRR_AA1 subject Category:Scrapped_locomotives.
- PRR_AA1 subject Category:Westinghouse_locomotives.
- PRR_AA1 type Locomotive.
- PRR_AA1 type MeanOfTransportation.
- PRR_AA1 type Product.
- PRR_AA1 type DesignedArtifact.
- PRR_AA1 comment "The Pennsylvania Railroad's class AA1 comprised two experimental electric locomotives constructed in 1905 by Westinghouse at the start of the PRR's electrification project.They were testbeds for larger locomotives to come. Both were of B-B wheel arrangement in the Association of American Railroads classification scheme; each had two trucks, each with two axles and four wheels. The first, #10001, used gearless motors attached to the axles.".
- PRR_AA1 label "PRR AA1".
- PRR_AA1 sameAs m.09r8pj.
- PRR_AA1 sameAs Q7120461.
- PRR_AA1 sameAs Q7120461.
- PRR_AA1 wasDerivedFrom PRR_AA1?oldid=582550012.
- PRR_AA1 depiction PRR_AA1_10002.jpg.
- PRR_AA1 isPrimaryTopicOf PRR_AA1.
- PRR_AA1 name "PRR AA1".