“Porte-class gate vessel”的意思、由来-开放百科全书

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Porte-class gate vessel

释义

Design and description
Ships
Service history
Citations
Sources

{{Infobox ship image

Ship image=

Ship caption=
}}{{Infobox ship class overview

Name=Porte class

Builders=

Canada|1911}} ⁄ Canadian Maritime Command

Battle|trawler|4}}

Class after=

Subclasses=

Cost=

Built range=

In service range=

In commission range=5 December 1951 – 19 December 1996

Total ships building=

Total ships planned=

Total ships completed=5

Total ships cancelled=

Total ships active=

Total ships laid up=

Total ships lost=

Total ships scrapped=5

Total ships preserved=
}}{{Infobox ship characteristics

Ship type=Boom defence vessel

Ship displacement=429 tons

125|ft|6|in|m|abbr=on|1}}

26|ft|4|in|m|abbr=on|1}}

13|ft|m|abbr=on|1}}

600|bhp|abbr=on}}

11|kn|km/h|abbr=on}}

Ship range=

Ship endurance=

Ship complement=originally 3 officers, 20 ratings; later expanded to 5 officers, 3 officers under training, 30 ratings

Ship sensors=*Mechanical minesweeping equipment (later removed)

Boom defence equipment

Ship EW=

Ship armament=1 × 40 mm Bofors single mount (later removed)

Ship armour=

Ship notes=
}}

The Porte-class gate vessels were a class of five boom defence vessels built in the early 1950s and operated by the Royal Canadian Navy (RCN) and Canadian Forces (CF) during the Cold War. The class derived its name from the gates of the French fortifications of Québec and Louisbourg and was designed by the RCN as a replacement for World War I-era {{sclass2-|Battle|trawler|1}}s used to operate anti-submarine booms during World War II. The Porte class were used primarily as training vessels during the Cold War.

Design and description

The Porte class were designed with the possibility of commercial adoption of the design by the Canadian fishing industry. The gate vessels were planned for use as auxiliary vessels during peacetime.^[1] The Porte class was of a trawler design, and were designed to operate the anti-submarine booms for harbour defence. They were also capable of being fitted for minelaying.{{sfn|Blackman|1953|p=101}}

The Porte class were {{convert|125|ft|6|in|m|1}} long with a beam of {{convert|26|ft|4|in|m|1}} and a draught of {{convert|13|ft|0|in|m|1}}. They displaced {{convert|429|LT|t}} fully loaded and had an initial complement of 3 officers and 20 ratings.{{sfn|Blackman|1953|p=101}}{{sfn|Macpherson|Barrie|2002|p=284}} The Porte class were powered one Fairbanks-Morse 6-cylinder diesel engine driving one shaft creating {{convert|600|bhp|lk=in}}. This gave the vessels a maximum speed of {{convert|11|kn|lk=in}}.{{sfn|Blackman|1953|p=101}}{{sfn|Sharpe|1990|p=84}} The vessels had a range of {{convert|4000|nmi|lk=in}} at {{convert|10|kn}}. They were equipped with one Racal Decca navigation radar operating on the I band.{{sfn|Sharpe|1990|p=84}} The ships were armed with one 40 mm gun placed forward.{{sfn|Gimblett|Hadley|2010|p=103}}

Ships

Ship	Original pennant number	Final pennant number	Builder	Laid down	Launched	Commissioned	Paid off	Fate
Porte Dauphine\|YMG 186\|2}}	YMG 186	YNG 186	Pictou Foundry Co., Pictou	15 May 1951	4 Mar 1952	10 Dec 1952	Dec 1995
Porte de la Reine\|YMG 184\|2}}	YMG 184	YNG 184	Victoria Machinery Depot, Victoria	5 Mar 1951	28 Dec 1951	7 Oct 1952	19 Dec 1996	Broken up Seattle 2015^[2]
Porte Québec\|YMG 185\|2}}	YMG 185	YNG 185	Burrard Dry Dock, Vancouver	15 Feb 1951	28 Aug 1951	19 Sep 1952	19 Dec 1996	Broken up Seattle 2015^[3]
Porte St. Jean\|YMG 180\|2}}	YMG 180	YNG 180	George T. Davie & Sons, Lauzon	16 May 1950	22 Nov 1950	5 Dec 1951	31 Mar 1996
Porte St. Louis\|YMG 183\|2}}	YMG 183	YNG 183	George T. Davie & Sons, Lauzon	21 Mar 1951	23 Jul 1952	29 Aug 1952	31 Mar 1996

Service history

The first Porte-class vessel was ordered September 1949.^[1] Porte Saint Jean and Porte Saint Louis were based at Halifax, Nova Scotia and Porte Dauphine, Porte Québec and Porte de la Reine at Esquimalt, British Columbia. From 1958 to 1974, Porte Dauphine was loaned to the Department of Transport (DOT) as an environmental research ship on the Great Lakes, before transferring to the West Coast via the Panama Canal.{{sfn|Macpherson|Barrie|2002|p=284}}{{sfn|Gimblett|Hadley|2010|pp=103, 114}} Porte Dauphine was modified for DOT use, which involved the installation of a widened wheelhouse and a cafeteria.{{sfn|Gimblett|Hadley|2010|p=114}} The vessels were used to train naval reserve crews in key trades such as navigation, diesel mechanics, communications and logistics.{{sfn|Sharpe|1990|p=84}}{{sfn|Gimblett|Hadley|2010|p=103}} Porte Saint Jean and Porte Saint Louis began training on the Great Lakes in 1953, working with {{HMCS|Star}} in Hamilton, Ontario. They sometimes travelled to Bermuda for training.{{sfn|Gimblett|Hadley|2010|pp=104, 114}} On 4 Aug 1973 at 1815, Porte Saint Jean and Porte Saint Louis sailed into the eastern Arctic, alongside Nain, Labrador^[4] off the Labrador Sea, under the Command of Cdr F.R. Berchem.{{sfn|Gimblett|Hadley|2010|p=116}} With the arrival of the {{sclass-|Kingston|coastal defence vessel|1}}s in the mid-1990s, the Porte class was retired. Porte Dauphine was the first, discarded in December 1995, followed by Porte Saint Jean and Porte Saint Louis in March 1996 and Porte Québec and Porte de la Reine in December 1996.{{sfn|Gimblett|Hadley|2010|p=127}}

Citations

1. ^¹{{cite magazine|title=Four Minesweepers, Gate Vessel Ordered |magazine=The Crowsnest |publisher=King's Printer |location=Ottawa |date=October 1949 |volume=1 |number=12 |pages=2}}
2. ^{{csr|register=MSI|id=6122917|shipname=Porte de la Reine|accessdate=11 February 2018}}
3. ^{{csr|register=MSI|id=6122918|shipname=Porte Quebec|accessdate=11 February 2018}}
4. ^Berchem, F.R., Captain's unpublished personal log, HMCS Porte St. Jean, 1973, p. 18.

Sources

{{cite book |editor-last=Blackman |editor-first=Raymond V. B. |date=1953 |title=Jane's Fighting Ships 1953–54 |location=London |publisher=Sampson, Low and Marston |oclc=913556389 |ref=harv}}
{{cite book |editor-last=Gimblett |editor-first=Richard H. |editor-last2=Hadley |editor-first2=Michael L. |lastauthoramp=y |date=2010 |title=Citizen Sailors: Chronicles of Canada's Naval Reserve |publisher=Dundurn Press |location=Toronto |isbn=978-1-55488-867-2 |ref=harv}}
{{cite book |last=Macpherson |first=Ken |last2=Barrie |first2=Ron |lastauthoramp=y |date=2002 |title=The Ships of Canada's Naval Forces 1910–2002 |edition=Third |publisher=Vanwell Publishing |location=St. Catharines, Ontario |isbn=1-55125-072-1 |ref=harv}}
{{cite book |editor-last=Sharpe |editor-first=Richard |date=1990 |title=Jane's Fighting Ships 1990–91 |publisher=Jane's Information Group |edition=93 |location=Surrey, United Kingdom |isbn=0-7106-0904-3 |ref=harv}}

5 : 1950s ships|Porte-class gate vessels|Cold War naval ships of Canada|Auxiliary ships of the Royal Canadian Navy|Auxiliary gateship classes

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