Commercial (or Semi Commercial) Cargo Submarines

RyanC

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Yes I know once again from NHHC Photo
 

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And Japanese in WWII (not to mention Russian use of converted subs in the Crimea - which was a concept further developed in the postwar years with dedicated designs).

Is there any conceivable requirement for commercial submarines (other than moving under pack ice)?
 
And Russian subs in the arctic to go under the ice in the winter...
 
The arguments I've seen are the following;

1. Arctic Oil Tanker - The intention being to move oil under the arctic ice cap to the US eastern seaboard. Unfortunately, the gradual opening of the Northwest Passage due to the northern ice melting reduces the economic incentives.

2. Cargo safety - Traveling underwater is a comparatively steady state operation, with little to no impact from surface storms. If a cargo route goes through areas with significant storms, and there is sufficient depth to escape surface wave effects, this may be viable since the ship travel times would vary very little. The drawbacks being cargo load/unload time, and reduced speed/higher cost when compared to a conventional ship when there are no significant storms. There is a secondary cargo security issue at play as well.

3. Blockade evasion - The WWII german cargo submarines are an example of this. Unfortunately, this really only applies to very high value cargo due to easy detectability of large submarines carrying bulk cargo. The modern equivalent are the current cocaine semisubmersibles (which will probably move to concrete submarine construction at some point in the future, if not conventional steel submarines such as those that have already been discovered)
 
just found :
http://gcaptain.com/maritime/blog/russian-cargo-submarine-bizarre-maritime-technology/
 
Orionblamblam said:
... Wait for pirates to board, then submerge.

Good idea ! This way even the old Type 206 subs, now to be decommissioned, could still serve
in role proposed by our former Federal President: To secure our trade, mimicking, say a sailing
yacht. ;D
But another good task could be, to load crude oil direct at the bore, making oil rigs and long
tubing redundant. Large pollutions had to be achieved another way then !
 
How much they are going to charge for insurance for commercial cargo submarine? It will never work.
 
Let
skyrider said:
How much they are going to charge for insurance for commercial cargo submarine? It will never work.

Let's see ! Would be a lot more difficult for Somali pirates to board such a ship ! ;D
And those guys can increase charges for insurance, too. Maybe shipyards, which are
able to produce such ships, should invest in small speedboats, Kalashnikovs and RPG-7s
in the meantime ? B)
 
You could also say that this topic is related: http://www.secretprojects.co.uk/forum/index.php/topic,10902.0.html
 
I wouldn't say that this is any great surprise; Via our rivials at Militaryphotos.net:

The old Soviet Union may have been just as familiar with Canada's Arctic waters as Canadians.

Sections of Cold-War-era nautical charts obtained by The Canadian Press suggest that Russian mariners have for decades possessed detailed and accurate knowledge of crucial internal waterways such as the Northwest Passage.

Those charts, which may offer the first documentary proof of the widely held belief that Soviet nuclear submarines routinely patrolled the Canadian Arctic during the Cold War, are still in use by Russian vessels. In some places, they are preferred to current Canadian charts.


http://ca.news.yahoo.com/red-october-real-maps-suggest-soviet-subs-cruised-093009696.html
 
http://www.institutenorth.org/assets/images/uploads/files/Power.pdf
 
George Allegrezza said:
While Searching For Something Else (WSFSE?), I came across this 1981 General Dynamics proposal for submersible LNG tankers:

http://www.navalprofessional.com/vessels/submarine-carrier-proposed-dynamics-4482

The boats were intended to be 1470 ft long and could have nuclear or non-nuclear propulsion. The conops was to ship LNG from Alaskan waters to consumers in Europe and Japan.


Although the sail on the boat in the photo is toward the bow rather than the stern (as for the artist rendering of the GD LNG carrier in the item at Naval Professional), this appears to be related.


Posted at the San Diego Air & Space Museum (SDASM) Flickr photostream:
http://www.flickr.com/photos/sdasmarchives/8126225660/in/photostream
8126225660_169a85031c_z.jpg
 
http://www.shipbucket.com/forums/viewtopic.php?f=13&t=4417

These post-war designs may be related in some way: http://www.secretprojects.co.uk/forum/index.php/topic,1857.0.html
 
Very interesting - whilst obviously intended for dry bulk cargoes, it would be fairly straightforward to produce a similar design for bulk oil. I'd be surprised if Saunders-Roe hadn't drawn one up, actually.
 
Grey Havoc Love those Russians Wiki has some info on a suggested Typhoon conversion
 

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from 'Storia Militare', an italian historical magazine, the project of a pre-WWII submarine oil tanker, with carachteristics.






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and, from the same source, drawings and characteristics of the transport submarines R class, of WWII, of the Italian Navy






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Hi, do you still possessed that Italian historical magazine, I am interested in the submarine oil tanker
 
Two Popular Mechanics articles, same idea, 24 years apart.
 

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