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Pusher (boat)

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(Redirected from Pusher tug) Boat designed for pushing barges "Tow boat" redirects here. For the water ride, see Tow boat ride. For another use, see Horse-drawn boat. Not to be confused with tugboat.
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3x3 nine unit barge going through La Crosse, Wisconsin
The towboat Angelina pushes two loaded barges in New Orleans.

A pusher, pusher craft, pusher boat, pusher tug, or towboat, is a boat designed for pushing barges or car floats. In the United States, the industries that use these vessels refer to them as towboats. These vessels are characterized by a square bow, a shallow draft, and typically have knees, which are large plates mounted to the bow for pushing barges of various heights. These boats usually operate on rivers and inland waterways. Multiple barges lashed together, or a boat and any barges lashed to it, are referred to as a "tow" and can have dozens of barges. Many of these vessels, especially the long distance, or long haul boats, include living quarters for the crew.

Size

The towboat Peter Fanchi southbound on the Ohio river at Louisville, Kentucky

Towboat engine outputs range from less than 600 horsepower (447 kW) up to 11,100 horsepower (8,277 kW). Most towboats are from 35 to 200 feet (11 to 61 m) long, and 21 to 56 feet (6.4 to 17.1 m) wide. Smaller boats are used in harbors, fleeting areas and around locks while larger boats operate in "line-haul" operations over long distances and between major ports. In the United States, south of the Chain of Rocks Lock across from St. Louis on the Mississippi River, the river is open with no locks or impediments other than channel size and depth. Larger boats can run this segment of the river with the maximum tow size of 42 barges southbound and 40+ northbound. A typical River tow might be 35 to 42 barges, each about 200 feet (61 m) long by 35 feet (11 m) wide, configured in a rectangular shape 6 to 7 barges long and 5 to 6 barges wide, depending on the number of barges in tow. The whole tow, excluding the towboat, can easily be over 1,200 feet (370 m) long and 200 feet (61 m) wide, covering over 6 acres (2.4 ha) and holding thousands of tons of cargo.

In the United States above St. Louis on the Upper Mississippi River and on other rivers such as the Illinois, Ohio, Arkansas, Tennessee and Cumberland, boats can handle only up to 16 barges including a "hip" barge due to the size of lock chambers. These boats tend to be limited to 5,000 horsepower (3,728 kW).

Towboats in line-haul service operate 24/7 and have the latest in navigational equipment, such as color radar, GPS systems, electronic river charts, and specialized radio communications.

The Donna York pushing barges of coal up the Ohio River at Louisville, Kentucky

Boats that traverse the Intracoastal Waterway (ICW) are commonly referred to as "ditch boats" or "canal boats". ICW tows usually consist of 1 to 6 barges ranging in size, usually "strung out" end to end when loaded or "breasted up" side by side when empty.

Towboats always push the "tow" of barges, which are lashed together with steel cables usually 1 to 1.5 in (25.4 to 38.1 mm) in diameter.

History

The showboat Majestic being pushed by its towboat Attaboy

The term towboat arises from steamboat days, when steamboat fortunes began to decline and to survive, steamboats began to "tow" wooden barges alongside to earn additional revenue. Eventually, the railroad expansion following the American Civil War ended the steamboat era.

During the 19th century, towboats were used to push showboats, which lacked steam engines to free up space for a theater.

Preserved towboats

The Binnenvaartmuseum ('Inland Shipping Museum') in Dordrecht, South Holland, Netherlands is centered around René Siegfried, a River Rhine pusher boat which was built in 1963 and decommissioned in 1989.

The W. P. Snyder Jr., also known as W. H. Clingerman, W. P. Snyder Jr. State Memorial, or J. L. Perry, is a historic towboat moored on the Muskingum River in Marietta, Ohio, at the Ohio River Museum. A National Historic Landmark, she is the only intact steam-driven sternwheel towboat still on the United States river system.

See also

Notes

  1. "Tugs and pusher craft". Gov.UK. Retrieved 27 December 2015.

References

  • Lehman, Charles F. (2009). A riverman's lexicon : in Lehman's terms. Florissant, Mo.: J.R. Simpson & Associates. ISBN 978-0-9841503-0-4. Nautical terminology specific to towboating and inland waterways.
  • Casto, James E. (2010). Towboat on the Ohio (reprint ed.). Lexington, Kentucky: University Press of Kentucky. ISBN 978-0-8131-2970-9. Retrieved 23 July 2017.
  • Coomer, James (2004). Life on the Ohio (reprint ed.). Lexington, Kentucky: University Press of Kentucky. ISBN 978-0-8131-9108-9. Retrieved 23 July 2017.

External links

  • Towboat Ben McCool upbound on Ohio River at Matthew E. Welsh Bridge with two tank barges (1 of 6), near Mauckport, Indiana, USA, 1987 Towboat Ben McCool upbound on Ohio River at Matthew E. Welsh Bridge with two tank barges (1 of 6), near Mauckport, Indiana, USA, 1987
  • Towboat Ben McCool upbound on Ohio River at Matthew E. Welsh Bridge with two tank barges (2 of 6), near Mauckport, Indiana, USA, 1987 Towboat Ben McCool upbound on Ohio River at Matthew E. Welsh Bridge with two tank barges (2 of 6), near Mauckport, Indiana, USA, 1987
  • Towboat Ben McCool upbound on Ohio River at Matthew E. Welsh Bridge with two tank barges (3 of 6), near Mauckport, Indiana, USA, 1987 Towboat Ben McCool upbound on Ohio River at Matthew E. Welsh Bridge with two tank barges (3 of 6), near Mauckport, Indiana, USA, 1987
  • Towboat Ben McCool upbound on Ohio River at Matthew E. Welsh Bridge with two tank barges (4 of 6), near Mauckport, Indiana, USA, 1987 Towboat Ben McCool upbound on Ohio River at Matthew E. Welsh Bridge with two tank barges (4 of 6), near Mauckport, Indiana, USA, 1987
  • Towboat Ben McCool upbound on Ohio River at Matthew E. Welsh Bridge with two tank barges (5 of 6), near Mauckport, Indiana, USA, 1987 Towboat Ben McCool upbound on Ohio River at Matthew E. Welsh Bridge with two tank barges (5 of 6), near Mauckport, Indiana, USA, 1987
  • Towboat Ben McCool upbound on Ohio River at Matthew E. Welsh Bridge with two tank barges (6 of 6), near Mauckport, Indiana, USA, 1987 Towboat Ben McCool upbound on Ohio River at Matthew E. Welsh Bridge with two tank barges (6 of 6), near Mauckport, Indiana, USA, 1987
  • Towboat Bruce Darst upbound on Ohio River at Clark Bridge, Louisville, Kentucky, USA, 2005 Towboat Bruce Darst upbound on Ohio River at Clark Bridge, Louisville, Kentucky, USA, 2005
  • Towboat City of Pittsburgh upbound on Ohio River at Clark Bridge, Louisville, Kentucky, USA, 2005 Towboat City of Pittsburgh upbound on Ohio River at Clark Bridge, Louisville, Kentucky, USA, 2005
  • Towboat Dakota Storm upbound on Ohio River at Matthew E. Welsh Bridge (1 of 4), near Mauckport, Indiana, USA, 1987 Towboat Dakota Storm upbound on Ohio River at Matthew E. Welsh Bridge (1 of 4), near Mauckport, Indiana, USA, 1987
  • Towboat Dakota Storm upbound on Ohio River at Matthew E. Welsh Bridge (2 of 4), near Mauckport, Indiana, USA, 1987 Towboat Dakota Storm upbound on Ohio River at Matthew E. Welsh Bridge (2 of 4), near Mauckport, Indiana, USA, 1987
  • Towboat Dakota Storm upbound on Ohio River at Matthew E. Welsh Bridge (3 of 4), near Mauckport, Indiana, USA, 1987 Towboat Dakota Storm upbound on Ohio River at Matthew E. Welsh Bridge (3 of 4), near Mauckport, Indiana, USA, 1987
  • Towboat Dakota Storm upbound on Ohio River at Matthew E. Welsh Bridge (4 of 4), near Mauckport, Indiana, USA, 1987 Towboat Dakota Storm upbound on Ohio River at Matthew E. Welsh Bridge (4 of 4), near Mauckport, Indiana, USA, 1987
  • Towboat Elizabeth Marie departing main lock at McAlpine Locks on Ohio River, Louisville, Kentucky, USA, 1999 Towboat Elizabeth Marie departing main lock at McAlpine Locks on Ohio River, Louisville, Kentucky, USA, 1999
  • Towboat Enid Dibert departing main lock at McAlpine Locks on Ohio River, Louisville, Kentucky, USA, 1999 Towboat Enid Dibert departing main lock at McAlpine Locks on Ohio River, Louisville, Kentucky, USA, 1999
  • Towboat Hugh C. Blaske upbound in Portland Canal on Ohio River (1 of 2), Louisville, Kentucky, USA, 1999 Towboat Hugh C. Blaske upbound in Portland Canal on Ohio River (1 of 2), Louisville, Kentucky, USA, 1999
  • Towboat Hugh C. Blaske upbound in Portland Canal on Ohio River (2 of 2), Louisville, Kentucky, USA, 1999 Towboat Hugh C. Blaske upbound in Portland Canal on Ohio River (2 of 2), Louisville, Kentucky, USA, 1999
  • Towboat James G. Hines upbound in Portland Canal on Ohio River (1 of 2), Louisville, Kentucky, USA, 1999 Towboat James G. Hines upbound in Portland Canal on Ohio River (1 of 2), Louisville, Kentucky, USA, 1999
  • Towboat James G. Hines upbound in Portland Canal on Ohio River (2 of 2), Louisville, Kentucky, USA, 1999 Towboat James G. Hines upbound in Portland Canal on Ohio River (2 of 2), Louisville, Kentucky, USA, 1999
  • Towboat Jerry E. Holbert upbound on Ohio River at Clark Bridge, Louisville, Kentucky, USA, 2005 Towboat Jerry E. Holbert upbound on Ohio River at Clark Bridge, Louisville, Kentucky, USA, 2005
  • Towboat Martha Mac upbound in Portland Canal on Ohio River (1 of 2), Louisville, Kentucky, USA, 1999 Towboat Martha Mac upbound in Portland Canal on Ohio River (1 of 2), Louisville, Kentucky, USA, 1999
  • Towboat Martha Mac upbound in Portland Canal on Ohio River (2 of 2), Louisville, Kentucky, USA, 1999 Towboat Martha Mac upbound in Portland Canal on Ohio River (2 of 2), Louisville, Kentucky, USA, 1999
  • Towboat Michael J. Grainger upbound in Portland Canal on Ohio River, Louisville, Kentucky, USA, 1998 Towboat Michael J. Grainger upbound in Portland Canal on Ohio River, Louisville, Kentucky, USA, 1998
  • Towboat R. W. Naye upbound in Portland Canal on Ohio River (1 of 2), Louisville, Kentucky, USA, 1999 Towboat R. W. Naye upbound in Portland Canal on Ohio River (1 of 2), Louisville, Kentucky, USA, 1999
  • Towboat R. W. Naye upbound in Portland Canal on Ohio River (2 of 2), Louisville, Kentucky, USA, 1999 Towboat R. W. Naye upbound in Portland Canal on Ohio River (2 of 2), Louisville, Kentucky, USA, 1999
  • Towboat Sue Chappell upbound in Portland Canal on Ohio River (1 of 4), Louisville, Kentucky, USA, 1998 Towboat Sue Chappell upbound in Portland Canal on Ohio River (1 of 4), Louisville, Kentucky, USA, 1998
  • Towboat Sue Chappell upbound in Portland Canal on Ohio River (2 of 4), Louisville, Kentucky, USA, 1998 Towboat Sue Chappell upbound in Portland Canal on Ohio River (2 of 4), Louisville, Kentucky, USA, 1998
  • Towboat Sue Chappell upbound in Portland Canal on Ohio River (3 of 4), Louisville, Kentucky, USA, 1998 Towboat Sue Chappell upbound in Portland Canal on Ohio River (3 of 4), Louisville, Kentucky, USA, 1998
  • Towboat Sue Chappell upbound in Portland Canal on Ohio River (4 of 4), Louisville, Kentucky, USA, 1998 Towboat Sue Chappell upbound in Portland Canal on Ohio River (4 of 4), Louisville, Kentucky, USA, 1998
  • Towboat V.W. Meythaler upbound at Clark Bridge (1 of 2), Louisville, Kentucky, USA, 1987 Towboat V.W. Meythaler upbound at Clark Bridge (1 of 2), Louisville, Kentucky, USA, 1987
  • Towboat V.W. Meythaler upbound at Clark Bridge (2 of 2), Louisville, Kentucky, USA, 1987 Towboat V.W. Meythaler upbound at Clark Bridge (2 of 2), Louisville, Kentucky, USA, 1987
  • Towboat Valvoline upbound with empty tank barges in Portland Canal, Louisville, Kentucky, USA, 1987 Towboat Valvoline upbound with empty tank barges in Portland Canal, Louisville, Kentucky, USA, 1987
  • Towboat William Clark upbound in Portland Canal, Louisville, Kentucky, USA, 1998 Towboat William Clark upbound in Portland Canal, Louisville, Kentucky, USA, 1998
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