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DUKW

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Vorlage:Infobox Weapon The DUKW (popularly pronounced "duck") is a six-wheel-drive amphibious truck that was designed by General Motors Corporation during World War II for transporting goods and troops over land and water and for use approaching and crossing beaches in amphibious attacks.

Description

The DUKW was designed by Rod Stephens Jr. of Sparkman & Stephens Inc. yacht designers, Dennis Puleston, a British deep water sailor, and Frank W. Speir, an ROTC Lieutenant out of MIT.[1] Developed by the National Defense Research Committee and the Office of Scientific Research and Development, it was initially rejected by the armed services. When a United States Coast Guard patrol craft ran aground on a sandbar near Provincetown, Massachusetts, an experimental DUKW happened to be in the area for a demonstration. Winds up to 60 knots (110 km/h), rain, and heavy surf prevented conventional craft from rescuing the seven stranded Coast Guardsmen, but the DUKW had no trouble, and the military opposition melted. The DUKW would later prove its seaworthiness by crossing the English Channel.

The DUKW prototype was built around the cab over engine (COE) six-wheel-drive military truck GMC ACKWX (a COE version of the GMC CCKW), with the addition of a watertight hull and a propeller. The final production design was based on the CCKW. The vehicle was built by the GMC division of General Motors (called Yellow Truck and Coach at the beginning of the war). It was powered by a GMC Straight-6 engine of 270 in³ (4.416 L). The DUKW weighed 7.5 tons and operated at 6.4 mph (10 km/h) on water and 50-55 mph (80 km/h) on land. It was 31 feet (9.3 m) long, 8.25 feet (2.4 m) wide, and 8.8 feet (2.6 m) high with the folding-canvas top up. 21,137 were manufactured.[2] It was not an armored vehicle, being plated with sheet steel between 1/16" and 1/8" thick to minimize weight. A high capacity bilge pump system kept the DUKW afloat if the thin hull was breached by holes up to 2" in diameter.

The DUKW was the first vehicle to allow the driver to vary the tire pressure from inside the cab, an accomplishment of Speir's device. The tires could be fully inflated for hard surfaces such as roads and less inflated for softer surfaces—especially beach sand. This added to the DUKW's great versatility as an amphibious vehicle. This feature is now standard on many military vehicles.

Nomenclature

The designation of DUKW is not a military pun - the name comes from the model naming terminology used by GMC; the D indicates a vehicle designed in 1942, the U meant "utility (amphibious)", the K indicated all-wheel drive and the W indicated two powered rear axles.

Although technically a misnomer, DUKWs are often referred to as duck boats. Another popular nickname was old magoo or simply magoo. Though the origin of this term is unknown, it probably refers to the odd shape of the vehicle.

Service history

The DUKW was supplied to the US Army, US Marine Corps and Allied forces. 2,000 were supplied to Britain under the Lend-Lease program[3] and 535 were acquired by Australian forces.[4] 586 were supplied to the Soviet Union, becoming the basis for the BAV 485 (see Developments).

The DUKW was used in landings in the Mediterranean, Pacific, on the D-Day beaches of Normandy, Operation Husky, and during Operation Plunder.

After World War II, reduced numbers of DUKWs were kept in service by the United States, Britain, France and Australia with many more stored pending disposal. Australia transferred many to Citizens Military Force units.

The US Army reactivated and deployed several hundred DUKWs at the outbreak of the Korean War with the 1st Transportation Replacement Training Group providing crew training. DUKWs were used extensively to bring supplies ashore during the Battle of Pusan Perimeter and in the amphibious landings at Inchon.

Ex-US Army DUKWs were transferred to the French military after World War II and were used by the Troupes de marine and naval commandos. Many were used for general utility duties in overseas territories. France deployed DUKWs to French Indochina during the First Indochina War. Some French DUKWs were given new hulls in the 1970s with the last being retired in 1982.

Britain deployed DUKWs to Malaya during the Malayan Emergency of 1948-60. Many were redeployed to Borneo during the Indonesia–Malaysia confrontation of 1962-66. The Royal Marines still use a small number of these vehicles for training purposes in Scotland.

Principal military users

Peacetime use

Although DUKWs were used predominantly for the military, many were used by civilian organizations such as police departments, fire stations and rescue units.

The Australian Army loaned two DUKWs and crew to Australian National Antarctic Research Expeditions in 1948 for an expedition to Macquarie Island. Australian DUKWs were used on Antarctic supply voyages until 1970.[4] From 1945 to 1965, the Commonwealth Lighthouse Service supply ship Cape York carried ex-Army DUKWs for supplying lighthouses on remote islands.[5]

Several were used by abalone fishermen of San Luis Obispo County California to take their catch right off the boats and directly to market, neatly combining the two steps of off-loading onto smaller craft, and then transferring to trucks once they reached the beach.

Whenever a natural disaster or an emergency situation occurs, DUKWs are well equipped for the land and water rescue efforts. Australian Army Reserve DUKWs were used extensively for rescue and transport during the 1955 Hunter Valley floods.

One of the last DUKWs manufactured in 1945 was loaned to a fire department during the Great Flood of 1993 and in 2005, Duck Riders of Grapevine, TX deployed the vehicle to help in the aftermath of Hurricane Katrina. The DUKW was well equipped to maneuver its way through flood waters, transporting victims stranded on their rooftops to helicopter pads set up throughout New Orleans.

The Moby Duck

Some such as the "Moby Duck" have been adapted as props by local groups such as Seattle's Seafair Pirates to be used in parades and events.

Developments

In the latter 1940s and throughout the 1950s, while Speir, now Project Engineer for the Army's Amphibious Warfare Program, worked on 'bigger and better' amphibious vehicles such as the 'Super Duck,' the 'Drake' and the mammoth BARC (Barge, Amphibious, Resupply, Cargo), a good many DUKWs were made surplus and put to use as amphibious rescue vehicles by fire departments and even, coming full circle, by Coast Guard stations.

In the 1950s the USSR copied the DUKW and the Zavod Imeni Likhacheva factory started producing the BAV 485. Production continued until 1962 with over 20,000 units delivered.

Tourist attraction

DUKWs are still in use, as well as purpose-built amphibious tour buses, primarily as tourist transport in harbor and river cities, including but not limited to: Seattle; Philadelphia; Pittsburgh; Chattanooga; Nashville; Boston; Branson, Missouri; Grapevine, Texas; Saugatuck, Michigan; London; Liverpool; Dublin, Ireland; Rotorua, New Zealand; The Netherlands; Singapore; Washington, D.C.; Stone Mountain Park, Atlanta, Georgia; and Wisconsin Dells, Wisconsin. One well-established tour operator in the United States is Ride the Ducks.

DUKWs in Fiction

Two DUKWs, Gert and Daisy, are central to Ron Dawson's novel, The Last Viking: The Untold Story of the World's Greatest Heist. The novel tells the story of a modern day Viking raid by a group of Birmingham gangsters who capture and loot the island of Guernsey on the tenth anniversary of D Day with disastrous consequences. The novel is probably unique in featuring two DUKWs in a post WW2 adventure.[6]

A DUKW is also central to the 2000 AD story Disaster 1990, in which the lead character, London hardman Bill Savage liberates one from a war museum to survive a futuristic flooded Britain.

A DUKW named Scrooge is featured in the 2006 novel Red Lightning by John Varley. Scrooge is used by the main characters to enter a devastated Florida after a tsunami triggered by an object stiking the earth.

A DUKW is heavily featured in the 1950 film ,"Francis the Talking Mule". [1]

A car chase involving multiple DUKWs appears in Indiana Jones and the Kingdom of the Crystal Skull. {While these were called DUKW's in the dialogue, they were actually GPA Sea Jeeps, inspired by the larger DUKW's but based on the Jeep.)

Images

References

  • TM 9-2800 military vehicles 1947
  • SNL G501
  • TM 9-802
  • TM 9-1802A
  • TM 9-1802B
  • TM 9-1802C
  • TM 9-1825A
  • TM 9-1826C
  • TM 9-1827B
  • TM 9-1827C
  • TM 9-1828A
  • TM 9-1829A

See also

Notes

Vorlage:Reflist

Commons: DUKW – Album mit Bildern, Videos und Audiodateien

Vorlage:WWIIAmericanAFVs

  1. ↑ Miami Shipbuilding Corporation
  2. ↑ Referenzfehler: Ungültiges <ref>-Tag; kein Text angegeben für Einzelnachweis mit dem Namen USATM.
  3. ↑ Battle Stations II: The 'Duck'. Channel 4;
  4. ↑ a b c Remember when.... we sent amphibious trucks to the Antarctic? Defence Materiel Organisation, November 2006;.
  5. ↑ Vorlage:Cite
  6. ↑ The Last Viking
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