Jumboization: Difference between revisions
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{{Short description|Maritime construction technique}} |
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|image1 = Interislander,_Wellington,_Nueva_Zelanda_-_panoramio.jpg |
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|image2 = Rail Ferry Aratere - 2011.jpg |
|image2 = Rail Ferry Aratere - 2011.jpg |
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|caption2 = {{ship|DEV|Aratere}} before (top) and after (bottom) |
|caption2 = {{ship|DEV|Aratere}} before (top) and after (bottom) jumboization - note the distance between the lifeboats and main funnels. |
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'''Jumboization''' is a technique in [[shipbuilding]] consisting of enlarging a [[ship]] by adding an entire section to it. By contrast with refitting or installation of equipment, jumboization is a long and complex endeavour which can require a specialized [[shipyard]]. |
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Enlarging a ship by |
Enlarging a ship by jumboization allows an increase in its capacity and revenue potential without needing to purchase or build an entirely new ship. This technique has been used on [[cruise ship]]s and [[Tanker (ship)|tanker]]s, as well as smaller vessels like sailing or fishing ships.<ref>{{cite web |title=Jumboization of pleasure sailboat and tuna boats |url=http://www.saillard-guy.com/index.php?page=autres |website=Guy Saillard |lang=fr }}</ref> |
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==Methods== |
==Methods== |
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Large ships often have a long midsection with a uniform profile. In such cases, the ship is cut in two pieces and an additional section is inserted in between. This operation must be performed in a [[drydock]]. |
Large ships often have a long midsection with a uniform profile. In such cases, the ship is cut in two pieces and an additional section is inserted in between. This operation must be performed in a [[Dry dock|drydock]].<ref>{{cite web |title=Modifications & Others |website=Keppel Offshore & Marine |url=http://www.keppelom.com/en/content.aspx?sid=2527 |access-date=8 May 2024 |archive-date=18 January 2011 |url-status=dead |archive-url=https://web.archive.org/web/20110118090950/http://www.keppelom.com/en/content.aspx?sid=2527 }}</ref> |
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On large ships, the additional sections are typically 20 to 30 metres long, consisting of an oil tank, a cargo ship hold, or a group of [[Cabin (ship)|cabin]]s, depending on the type of ship. The tanker ''[[Seawise Giant]]'' became the largest ship in the world after her |
On large ships, the additional sections are typically 20 to 30 metres long, consisting of an oil tank, a cargo ship hold, or a group of [[Cabin (ship)|cabin]]s, depending on the type of ship. The tanker ''[[Seawise Giant]]'' became the largest ship in the world after her jumboization. |
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Smaller ships are usually |
Smaller ships are usually jumboized by replacing the entire [[Bow (watercraft)|bow]] or [[stern]] section of the ship. This is done because the shape of their hull is usually incompatible with the previous method. |
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==See also== |
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* [[List of stretched cruise ships]] |
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== References == |
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{{reflist}} |
{{reflist}} |
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== External links == |
== External links == |
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* [http://www.keppelom.com/en/content.aspx?sid=2527 Jumboisation/Body Swapping] at Keppel Shipyard |
* [https://web.archive.org/web/20110118090950/http://www.keppelom.com/en/content.aspx?sid=2527 2011 Jumboisation/Body Swapping] at Keppel Shipyard |
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[[Category:Shipbuilding]] |
[[Category:Shipbuilding]] |
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Latest revision as of 10:56, 8 September 2024
DEV Aratere before (top) and after (bottom) jumboization - note the distance between the lifeboats and main funnels.
Jumboization is a technique in shipbuilding consisting of enlarging a ship by adding an entire section to it. By contrast with refitting or installation of equipment, jumboization is a long and complex endeavour which can require a specialized shipyard.
Enlarging a ship by jumboization allows an increase in its capacity and revenue potential without needing to purchase or build an entirely new ship. This technique has been used on cruise ships and tankers, as well as smaller vessels like sailing or fishing ships.[1]
Methods
[edit]Large ships often have a long midsection with a uniform profile. In such cases, the ship is cut in two pieces and an additional section is inserted in between. This operation must be performed in a drydock.[2]
On large ships, the additional sections are typically 20 to 30 metres long, consisting of an oil tank, a cargo ship hold, or a group of cabins, depending on the type of ship. The tanker Seawise Giant became the largest ship in the world after her jumboization.
Smaller ships are usually jumboized by replacing the entire bow or stern section of the ship. This is done because the shape of their hull is usually incompatible with the previous method.
See also
[edit]References
[edit]- ^ "Jumboization of pleasure sailboat and tuna boats". Guy Saillard (in French).
- ^ "Modifications & Others". Keppel Offshore & Marine. Archived from the original on 18 January 2011. Retrieved 8 May 2024.
External links
[edit]- 2011 Jumboisation/Body Swapping at Keppel Shipyard