Resurgam

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A replica of the Resurgam, built in 1878-79. The replica was built in 1997 and is on display close to the Woodside terminal of the Mersey Ferry in Birkenhead, Wirral Resurgam replica, Woodside, Birkenhead (geograph 4545804).jpg
A replica of the Resurgam, built in 1878-79. The replica was built in 1997 and is on display close to the Woodside terminal of the Mersey Ferry in Birkenhead, Wirral

Resurgam (Latin: "I shall rise again") is the name given to an early Victorian submarine and its prototype, designed and built in Britain by Reverend George Garrett. It was intended as a weapon to penetrate the chain netting placed around ship hulls to defend against attack by torpedo vessels.

Contents

Resurgam I

The first Resurgam, built in 1878, was a 14 ft (5 m), hand powered, one-man vessel nicknamed "the curate's egg" due to its shape. [1] It was a one-third size prototype for Garrett's design.

Resurgam II

Construction

Sketch of the design of Resurgam II by George Garrett Resurgam II sketch.jpg
Sketch of the design of Resurgam II by George Garrett

The second Resurgam was built by Cochran & Co. at Birkenhead, England, [2] and launched on 26 November 1879. Her construction was of iron plates fastened to iron frames, with the central section of the vessel clad with wood secured by iron straps. As built, she was 45 feet (14 m) long by 10 feet (3.0 m) in diameter, weighed 30 long tons (30 t), and had a crew of three. She was powered by a closed cycle steam engine originally patented in 1872 by the American engineer Emile Lamm which provided enough steam to turn the single propeller for up to four hours. She was designed to have positive buoyancy, and diving was controlled by a pair of hydroplanes amidships. At the time she cost £1,538. [3]

After successful trials in the East Float at Wallasey, it was planned that Resurgam should make her way under her own power from Birkenhead to Portsmouth for a demonstration to the Royal Navy.

Loss

On 10 December 1879 Resurgam, crewed by Garret, Jackson (as skipper) and Price (engineer) set out for Portsmouth. However, during the voyage mechanical problems caused the crew to dock at Foryd Harbour, Rhyl, for repairs. Once completed, and after trials, the crew set sail on the night of 24 February 1880 in a high wind, towed by the steam yacht Elphin, which Garrett had bought to act as a tender. The Elphin developed engine problems and the Resurgam's crew transferred to her to assist. Because the entry hatch on the Resurgam could not be fastened from outside, the submarine began to ship water and the tow-rope broke under the added weight, the Resurgam sinking in Liverpool Bay off Rhyl on 25 February 1880. [4]

Discovery of wreck

For many years the exact location of Resurgam was a mystery. In 1995, it was found by an experienced wreck diver, Keith Hurley, while he was attempting to clear snagged fishing nets in 60 feet (18 m) of water. On 4 July 1996 Resurgam was designated protected wreck No. 42 under the Protection of Wrecks Act. The site of the wreck covers an area 900 feet (270 m) in radius at 53°23.78′N03°33.18′W / 53.39633°N 3.55300°W / 53.39633; -3.55300 Coordinates: 53°23.78′N03°33.18′W / 53.39633°N 3.55300°W / 53.39633; -3.55300 .

The Resurgam's hull is intact although partially damaged and remains at risk from illegal diving and trawling. Since her discovery, the conning tower steering wheel has been broken and portable items have gone missing. [5]

In 1997, a project called SUBMAP was undertaken by the Archaeological Diving Unit to study the wreck site. Over one hundred volunteer divers, coordinated by the Nautical Archaeology Society, surveyed the structure of the hull and the colonising marine life around it by using remote sensing equipment to search for debris in the surrounding area. The results of the SUBMAP project have been published as a comprehensive digital archive using Site Recorder. [6] The wreck is currently protected against further corrosion by sacrificial anodes that had been attached to the hull. Plans to raise her have so far not been fruitful.

Resurgam was featured in the TV programme Wreck Detectives in 2004. In 2007 divers from the British Sub-Aqua Club in Trafford undertook conservation work, placing zinc sacrificial anodes on the wreck. [7] See also: [8] In 2012 divers from the British Sub-Aqua Club in Chester also replaced sacrificial anodes on the wreck. [9]

Replica

A replica of the vessel was built by trainees at the AMARC Training College attached to the Cammell Laird shipyard, Birkenhead, in 1996-97. it was put on display at Woodside Ferry Terminal, Birkenhead, in March 1997.

After falling into disrepair the replica was refurbished by students of the North West  Maritime and Engineering College in 2009.

See also

Notes

  1. Delgado, James P.; Cussler, Clive (2010). Silent Killers: Submarines and Underwater Warfare. Bloomsbury. p. 78.
  2. "Cochran and Co, Birkenhead, 1878 - 1898". Old Merseytimes. Retrieved 13 August 2017.
  3. "Construction and launch of the Resurgam". E. Chambré Hardman Archive. Archived from the original on 22 February 2012. Retrieved 17 October 2009.
  4. Jones p127
  5. Jones p139
  6. 3H Consulting "Archived copy". Archived from the original on 5 December 2009. Retrieved 4 September 2009.CS1 maint: archived copy as title (link)Resurgam Archive
  7. Dean Kirby (15 October 2007). "Divers take the plunge". men. Retrieved 16 February 2016.
  8. "Resurgam revisited". Divernet. Retrieved 16 February 2016.
  9. "Chester divers attempt to save Resurgam II submarine". BBC News. Retrieved 16 February 2016.

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