From Wikipedia, the free encyclopedia
NP S-10 Class
NP 328 in the Jackson Street Roundhouse, November 2015
Type and origin
Power typeSteam
Builder Alco ( Rogers)
Build date1905-1907
Total produced20
Specifications
Configuration:
 •  Whyte 4-6-0
 •  UIC2'C
Gauge4 ft 8+12 in (1,435 mm)
Leading dia.30 in (762 mm)
Driver dia.57 in (1,448 mm)
Wheelbase21 ft 1 in (6.426 m)
Length58 ft 6 in (17.831 m)
Height14 ft 10+14 in (4.528 m)
Adhesive weight115,000 lb (52 t)
Loco weight153,000 lb (69 t)
Tender weight104,000 lb (47 t)
Fuel typeCoal
Water cap.5,500 US gal (21,000 L; 4,600 imp gal)
Firebox:
 • Grate area38.5 square feet (3.58 m2)
Boiler pressure190 lbf/in2 (1.31 MPa)
Heating surface:
 • Tubes and flues1,865 square feet (173.3 m2)
 • Total surface2,010 square feet (187 m2)
CylindersTwo, simple
Cylinder size19 in × 26 in (483 mm × 660 mm)
Valve gear Stephenson
Loco brakeAir
Train brakesAir
Performance figures
Tractive effort26,600  lbf (118  kN)
Career
Operators Northern Pacific Railway
ClassS-10
Numbers320-329
LocaleMontana, North Dakota, Minnesota, Wisconsin
Withdrawn1928-1950
Preserved328

The Northern Pacific class S-10 (NP S-10) [1] was a type of steam locomotive in use on American railroads in the early 20th century. The first engines of the type were introduced in 1905, and ten were acquired by the Northern Pacific Railway (NP) in 1907, continuing in service until the 1930s and 1940s. One of the engines, Specifically No.328, has been preserved.

Entry into service

The Chicago Southern railroad was incorporated in 1904 by John R. Walsh, to build part of a Chicago, Illinois to Terre Haute, Indiana line. Twelve 2-6-0, eight 4-4-0 and twenty 4-6-0 locomotives were ordered from the Rogers works of the American Locomotive Company in Paterson, New Jersey. The first six 4-6-0's were delivered in August 1905. The remaining fourteen were held by the builder because the railroad entered bankruptcy and sat, mostly complete, awaiting a new buyer. [2]

In 1907, the Northern Pacific was short of power and purchased ten of the fourteen 4-6-0 locomotives remaining at the builder's plant for $14,500 each. The NP classified the locomotives as NP S-10 and numbered them 320–329. [3] Because these ten locomotives were completed in February 1907, that was the date on their builder's plates.

The Wisconsin & Michigan Railway purchased two of other unfinished ten-wheelers, and the Chicago, Terre Haute and Southeastern Railway (later the Chicago, Milwaukee, St. Paul and Pacific Railroad as MILW class G6-r) [4] purchased four.

The American Locomotive Company sold the remaining four locomotives to the Pullman Company, the Nevada Northern Railway, and the South Manchuria Railway. The later was a Japanese-controlled railroad in Manchuria, which offered the NP $15,000 each for their ten, but the NP declined. [5]

Deployment

In May 1908, 321 and 322 were assigned to the Dakota Division, 320, 323 and 324 to the Pharaoh Division, and 325–329 to the Minnesota Division. By July 1925, 325 and 326 were reassigned to the Montana Division.

Retirement

First to leave the roster was 329, scrapped at Brainerd, Minnesota in January 1929. More followed in 1930–1933, leaving only 321 and 328. These were kept for the branch lines from White Bear Lake, Minnesota to Stillwater, Minnesota, Wyoming, Minnesota to Taylors Falls, Minnesota, and Rush City, Minnesota to Grantsburg, Wisconsin. The primary reason was that the light 56-pound rail and the bridge, NP's oldest, over the St. Croix River on the Grantsburg branch could not support heavier locomotives. [6] NP 321 was set to scrap at Brainerd in 1946. The Local operating on the Grantsburg Branch, from Rush City, was known as the "Blueberry Special." [7]

NP 328 pulled the last train to Taylors Falls on June 30, 1948. [8]

Preservation

NP 328 was sold to the Minnesota Railfans Association in August 1950, and displayed in a Stillwater, Minnesota city park. [9] In 1976 she was leased by the Minnesota Transportation Museum for restoration, and operated from 1981 until 2001. Today she is exhibited at the Jackson Street Roundhouse.

References

  1. ^ Northern Pacific Railway Historical Association (February 11, 2009). "Steam Class List S-10". Retrieved 2021-08-20.
  2. ^ Schrenk, Lorenz P. (1996). "The Truth About 328 Revealed!". The Mainstreeter. 15 (4): 5–11.
  3. ^ "Steam Locomotives". Minnesota Transportation Museum. Retrieved August 10, 2021.
  4. ^ Smith, Jonathan D.H. (2005). "Chicago Terre Haute & Southeastern steam locomotives". Standard steam locomotives. Retrieved August 10, 2021.
  5. ^ *Egan, Patrick (1996). "The Other Four". The Mainstreeter. 15 (4): 12–13.
  6. ^ "Northern Pacific Motive Power — No. 5 of a Series, Class S-10 (320-329)" (PDF). The Telltale. XI (5): 2. May 1950. Retrieved August 20, 2021.
  7. ^ Johnson, Martin (1991). "The Blueberry Special". The Mainstreeter. 10 (4): 20–21.
  8. ^ Thompson, Richard E.; Monson, Steven J. (2005). The Taylors Falls & Lake Superior Railroad. Chisago City, Minnesota: Iron Horse Central Museum. ISBN  1-59975-248-4.
  9. ^ "Northern Pacific steam locomotive No. 328 on display in the park at Stillwater". Minnesota Historical Society. 1955. Retrieved August 20, 2021.
From Wikipedia, the free encyclopedia
NP S-10 Class
NP 328 in the Jackson Street Roundhouse, November 2015
Type and origin
Power typeSteam
Builder Alco ( Rogers)
Build date1905-1907
Total produced20
Specifications
Configuration:
 •  Whyte 4-6-0
 •  UIC2'C
Gauge4 ft 8+12 in (1,435 mm)
Leading dia.30 in (762 mm)
Driver dia.57 in (1,448 mm)
Wheelbase21 ft 1 in (6.426 m)
Length58 ft 6 in (17.831 m)
Height14 ft 10+14 in (4.528 m)
Adhesive weight115,000 lb (52 t)
Loco weight153,000 lb (69 t)
Tender weight104,000 lb (47 t)
Fuel typeCoal
Water cap.5,500 US gal (21,000 L; 4,600 imp gal)
Firebox:
 • Grate area38.5 square feet (3.58 m2)
Boiler pressure190 lbf/in2 (1.31 MPa)
Heating surface:
 • Tubes and flues1,865 square feet (173.3 m2)
 • Total surface2,010 square feet (187 m2)
CylindersTwo, simple
Cylinder size19 in × 26 in (483 mm × 660 mm)
Valve gear Stephenson
Loco brakeAir
Train brakesAir
Performance figures
Tractive effort26,600  lbf (118  kN)
Career
Operators Northern Pacific Railway
ClassS-10
Numbers320-329
LocaleMontana, North Dakota, Minnesota, Wisconsin
Withdrawn1928-1950
Preserved328

The Northern Pacific class S-10 (NP S-10) [1] was a type of steam locomotive in use on American railroads in the early 20th century. The first engines of the type were introduced in 1905, and ten were acquired by the Northern Pacific Railway (NP) in 1907, continuing in service until the 1930s and 1940s. One of the engines, Specifically No.328, has been preserved.

Entry into service

The Chicago Southern railroad was incorporated in 1904 by John R. Walsh, to build part of a Chicago, Illinois to Terre Haute, Indiana line. Twelve 2-6-0, eight 4-4-0 and twenty 4-6-0 locomotives were ordered from the Rogers works of the American Locomotive Company in Paterson, New Jersey. The first six 4-6-0's were delivered in August 1905. The remaining fourteen were held by the builder because the railroad entered bankruptcy and sat, mostly complete, awaiting a new buyer. [2]

In 1907, the Northern Pacific was short of power and purchased ten of the fourteen 4-6-0 locomotives remaining at the builder's plant for $14,500 each. The NP classified the locomotives as NP S-10 and numbered them 320–329. [3] Because these ten locomotives were completed in February 1907, that was the date on their builder's plates.

The Wisconsin & Michigan Railway purchased two of other unfinished ten-wheelers, and the Chicago, Terre Haute and Southeastern Railway (later the Chicago, Milwaukee, St. Paul and Pacific Railroad as MILW class G6-r) [4] purchased four.

The American Locomotive Company sold the remaining four locomotives to the Pullman Company, the Nevada Northern Railway, and the South Manchuria Railway. The later was a Japanese-controlled railroad in Manchuria, which offered the NP $15,000 each for their ten, but the NP declined. [5]

Deployment

In May 1908, 321 and 322 were assigned to the Dakota Division, 320, 323 and 324 to the Pharaoh Division, and 325–329 to the Minnesota Division. By July 1925, 325 and 326 were reassigned to the Montana Division.

Retirement

First to leave the roster was 329, scrapped at Brainerd, Minnesota in January 1929. More followed in 1930–1933, leaving only 321 and 328. These were kept for the branch lines from White Bear Lake, Minnesota to Stillwater, Minnesota, Wyoming, Minnesota to Taylors Falls, Minnesota, and Rush City, Minnesota to Grantsburg, Wisconsin. The primary reason was that the light 56-pound rail and the bridge, NP's oldest, over the St. Croix River on the Grantsburg branch could not support heavier locomotives. [6] NP 321 was set to scrap at Brainerd in 1946. The Local operating on the Grantsburg Branch, from Rush City, was known as the "Blueberry Special." [7]

NP 328 pulled the last train to Taylors Falls on June 30, 1948. [8]

Preservation

NP 328 was sold to the Minnesota Railfans Association in August 1950, and displayed in a Stillwater, Minnesota city park. [9] In 1976 she was leased by the Minnesota Transportation Museum for restoration, and operated from 1981 until 2001. Today she is exhibited at the Jackson Street Roundhouse.

References

  1. ^ Northern Pacific Railway Historical Association (February 11, 2009). "Steam Class List S-10". Retrieved 2021-08-20.
  2. ^ Schrenk, Lorenz P. (1996). "The Truth About 328 Revealed!". The Mainstreeter. 15 (4): 5–11.
  3. ^ "Steam Locomotives". Minnesota Transportation Museum. Retrieved August 10, 2021.
  4. ^ Smith, Jonathan D.H. (2005). "Chicago Terre Haute & Southeastern steam locomotives". Standard steam locomotives. Retrieved August 10, 2021.
  5. ^ *Egan, Patrick (1996). "The Other Four". The Mainstreeter. 15 (4): 12–13.
  6. ^ "Northern Pacific Motive Power — No. 5 of a Series, Class S-10 (320-329)" (PDF). The Telltale. XI (5): 2. May 1950. Retrieved August 20, 2021.
  7. ^ Johnson, Martin (1991). "The Blueberry Special". The Mainstreeter. 10 (4): 20–21.
  8. ^ Thompson, Richard E.; Monson, Steven J. (2005). The Taylors Falls & Lake Superior Railroad. Chisago City, Minnesota: Iron Horse Central Museum. ISBN  1-59975-248-4.
  9. ^ "Northern Pacific steam locomotive No. 328 on display in the park at Stillwater". Minnesota Historical Society. 1955. Retrieved August 20, 2021.

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