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William Denny and Brothers

From Wikipedia, the free encyclopedia

William Denny and Brothers
Company typePrivate
IndustryShipbuilding
Founded1840
Defunct1963
FateLiquidation
HeadquartersDumbarton,UK

William Denny and Brothers Limited,often referred to simply asDenny,was aScottishshipbuilding company.

History

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TSKing Edward(1901) onsea trial

The shipbuilding interests of the Denny family date back toWilliam Denny(born 1779), for whom ships are recorded being built inDumbartonas far back as 1811 such as the sailingsloopAlpha.[1]By 1823 the company name had changed toWilliam Denny & Son.The first ship it built under this name was the paddle steamerSuperb.From 1845 the company becameDenny Brothers(this being William jnr, Alexander andPeter), and in 1849 the firm was reconstituted asWilliam Denny & Brothers,this being William, James and Peter Denny.

Although the Denny yard was situated near the junction of the River Clyde and theRiver Leven,the yard was on the Leven.[2]The founder developed the company's interests in ship owning and operation with interests in the British & Burmese Steam Navigation Company, theIrrawaddy Flotilla Companyand La Platense Flotilla.[3]

The Company built all types of ships but were particularly well known as producers of fine cross-channelsteamshipsandferries.It was a pioneer in the development of theship's stabiliserin conjunction withEdinburgh-based Brown Brothers & Company. In 1913 the Channel steamerPariswas one of the first ships to use geared turbine engines utilising newMichelltilting-padfluid bearing.[4]It also undertook experimental work inhovercraftandhelicopter-type aircraft.

A marine engineering company, also based inDumbarton,was formed byPeter Denny,John Tulloch and John McAusland in 1850 asTulloch & Denny.In 1862 the company was renamedDenny & Co.The company manufactured a wide range of types ofmarine enginesand was absorbed into William Denny & Brothers in 1918.

Type 41 frigate HMSJaguar(1957)

Dennys were always innovators and were one of the first commercial shipyards in the world to have their own experimental testing tank: this is now open to the public as a museum.[5]William Denny & Company went into voluntary liquidation in 1963.[5]

Denny ship model experiment tank

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Inspired by the work of eminent naval architectWilliam Froude,Denny's completed the world's first commercial example of aship testing tankin 1883. The facility was used to test models of various ships and explored various propulsion methods, including propellers, paddles and vane wheels. Experiments were carried out on models of theDenny-Brown stabiliserand the Dennyhovercraftto gauge their feasibility. Tank staff also carried out research and experiments for other companies:Belfast-basedHarland and Wolffdecided to fit abulbous bowon the linerCanberraafter successful model tests in the Denny Tank. After the Denny yard closed, the test tank facility was taken over byVickers Shipbuilding and Engineering Limitedand used for the testing ofsubmarinesuntil the early 1980s.

Re-opened as part of theScottish Maritime Museumin 1982, it retains many of its original features, including the 100m longship testing tank.The towing carriage is still in working order and is demonstrated from time to time, but all instrumentation has been removed and so the tank cannot currently be used for hydrodynamic research and testing.

Denny-built vessels

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Some significant Denny-built vessels include:

Company flag

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The company's flag consisted of a blue elephant against a white field. This image was taken from the civic arms of Dumbarton, and it also served to symbolise the strength and solidity of the company's products.

See also

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References

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  1. ^"Alpha".Scottish Built Ships.Caledonian Maritime Research Trust.Retrieved27 October2020.
  2. ^"The Leven-built Cutty Sark".Shipping & Shipbuilding News.Ayr. 22 May 2007. Archived fromthe originalon 9 October 2007.Retrieved19 September2007.
  3. ^Moss, Michael S (1885–1900)."Denny, Peter (1821–1895)".Dictionary of National Biography.London: Smith, Elder & Co.
  4. ^Dowson, D; Taylor, CM; Godet, M; Berthe, D (1987).fluid film lubrication – Osborn Reynolds centenary: proceedings of the 13th Leeds-Lyon symposium on Tribology.Amsterdam: Elsevier. p. 51.ISBN0-444-42856-9.
  5. ^ab"Dumbarton – Denny Ship Model Experiment Tank".Scottish Maritime Museum, Irvine. Archived fromthe originalon 25 February 2011.Retrieved19 April2009.
  6. ^abIllustrated Catalogue of the Exhibition of Portraits in the New Galleries of Art in Corporation Buildings: James McCubbin
  7. ^Captain James Williamson (1904).The Clyde Passenger Steamer.James Maclehose And Sons, Glasgow. p. 332.
  8. ^"Parthia".Scottish Built Ships.Caledonian Maritime Research Trust.Retrieved27 October2020.
  9. ^"Otaki".Scottish Built Ships.Caledonian Maritime Research Trust.Retrieved27 October2020.
  10. ^"Delta Queen".Scottish Built Ships.Caledonian Maritime Research Trust.Retrieved27 October2020.
  11. ^"Ryde".Scottish Built Ships.Caledonian Maritime Research Trust.Retrieved27 October2020.
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