Pennsylvania Railroad class S1 - Wikipedia
The PRR S1 class steam locomotive (nicknamed "The Big Engine") was a single experimental duplex locomotive of the Pennsylvania Railroad. It was designed to demonstrate the …
Pennsylvania Railroad's #6100, The Only 6-4-4-6! | Steam Giants
One of the most famous locomotives to be built at the PRR shops is Pennsylvania Railroad’s only member of the S1 class, #6100. It had a short but interesting life! It’s a story railfans still talk …
Railroad Museum of Pennsylvania - Steam Locomotive
The museum has on display a large and significant collection of Pennsylvania-related motive power and rolling stock spanning the years 1825 to the present. After WWII, in 1945, the PRR …
Pennsylvania Railroad 6-4-4-6 S1 Locomotive - Old Machine Press
Jul 5, 2018 · The PRR S1 was a unique duplex locomotive that utilized a 6-4-4-6 wheel arrangement. A six-wheel leading truck with 36 in (.91 m) wheels was positioned at the front of …
PRR's Duplex Engines S1 (6-4-4-6) and T1 (4-4-4-4) - Blogger
Nov 17, 2020 · This photo shows the PRR's huge S1 6-4-4-6 locomotive under construction right here in Altoona at the Juniata Shops in 1939. Nicknamed "The Big Engine," the S1 was the …
THE BIG ENGINE, PRR S1 at the 1939 WORLD'S FAIR
Sep 3, 2010 · The PRR S1 class steam locomotive (nicknamed "The Big Engine") was an experimental locomotive that was the largest rigid frame passenger locomotive ever built. The …
Pennsylvania 4-4-4-4, 6-4-4-6, etc. "Duplex Drive ... - Steam …
A long response in the Trainorders discussion of Caprotti valve gear include PRR engineer John Roller's method for dealing with wheel slip: " [H]e could control the PRR T1's slipperiness by …
Crestline PRR Engine Facility Duplex and Experimentals
The first experimental duplex on the PRR was the S1, a huge rigid frame duplex locomotive of the 6-4-4-6 wheel arrangement. This engine was over 146' long! This locomotive was built by the …
PRR S1 class steam locomotive at the 1939 World's Fair - PastVu
AUGUST 1940: A view of the PRR S1 class steam locomotive (nicknamed 'The Big Engine' and designed by Raymond Loewy) on display at the 1939 New York World's Fair
Pennsylvania Railroad S-1 | The Online Automotive ... - Hemmings
Sep 23, 2018 · Instead of immediately pressing the S-1 into service, PRR sent it to the New York World’s Fair. As the highlight of a display of American railroading, the streamlined, bullet …