Author Topic: from Liberty to Triple E  (Read 5672 times)

Offline itsfoto

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from Liberty to Triple E
« on: August 19, 2014, 01:24:21 PM »
I stumbled upon a question that may take a little effort and possibly debate to answer.

What are the largest series of similar ships in history?

Obviously the Liberty and Victory ships would rank highly here. So would the T2 tankers and C1 freighters, I guess, and the SD14's, Hansa A/B/C, and many others. Russia (or the USSR) and China have certainly numerous huge "classes" that may be a little difficult to verify.

Anyway, would it be possible to get an idea of the actual numbers within these series, and put them into some kind of ranking order?

Where would the 20 Triple E's come in here? (Probably not even within the top 50, unless one takes the accumulated tonnage into consideration also.)

Uwe

Offline Phil English

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Re: from Liberty to Triple E
« Reply #1 on: August 19, 2014, 01:45:47 PM »
I can't talk about historical ships but in terms of modern tonnage, the most prolific standard design is SDARI's Dolphin 57 supramax bulker with almost 450 built to date. This is followed by the same design house's ultramax design - Dolphin 64 - with 372 built so far.

Other popular designs include Tsuneishi Kamsarmax (192 units), Mitsui 56 (176 units) and TESS 58 (172)

The Triple E does not even come close with 30 ships built or ordered

Brgds
Phil

Offline itsfoto

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Re: from Liberty to Triple E
« Reply #2 on: August 20, 2014, 10:51:00 AM »
Thanks Phil
Truly interesting.
I juggled a little with what information I now have:

Type            number - avg. size(GT) - number*size - example
                     
Liberty            2.710    7.000  18.970.000  Hellas Liberty
Victory              531    7.000   3.717.000  American Victory
T2                 < 500   10.000   5.000.000  Amoco Virginia
C1-A                  67    5.000     335.000  Wairata
C1-B                  95    7.000     665.000  Flying Enterprise (not in Shipspotting)
C1-M                 233    4.000     932.000  Rio Dale
C2                   325    7.000   2.275.000  Charles E. Dant
C3                   465    8.000   3.720.000  Mormacland
C4                    75   12.000     900.000       
                     
                     
post WWII:                     
SDARI Dolphin 57     450   33.000  14.850.000  APJ Kais
SDARI Dolphin 64     372   36.000  13.392.000  Amber Champion
SD14                 211    9.000   1.899.000  Lotus Island
Tsuneishi Kamsarmax  192   43.000   8.256.000  Saita I
Mitsui 56            176   36.000   6.336.000  Clipper Excelsior
TESS 58              172   32.000   5.504.000  Lowlands Patrasche
green dolphin 38      80            
triple E              20  195.000   3.900.000  Matz Maersk
TESS 98                ?   53.000              GL Xiushan
crown 63               ?            


Obviously this is nowhere near authoritive, but it gives things a bit of perspective.

cheers

Uwe

Offline Craig

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Re: from Liberty to Triple E
« Reply #3 on: August 21, 2014, 08:09:36 AM »
There are a lot of examples of the Imabari 28000 tdw bulker about, I'm not sure of the exact number, they are still building them so they must be a very successful design.
Rgds
Craig
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Offline Phil English

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Re: from Liberty to Triple E
« Reply #4 on: August 21, 2014, 08:31:10 AM »
You are absolutely right Craig. I didn't include the Imabari 28 earlier because there are three main variants, the differences largely relate to engines, better fuel efficiency and 'green' technology in later examples. Outwardly, the MkI, II and III are very similar and 231 units in total have been built so far. 7 open-hatch versions have also been built

If you apply the same logic to Tsuneishi Kamsarmaxes (Mk I, II and II) a total of 189 have been built.

Of course, it's not just bulk carriers that have been built in long series designs. Offshore service vessels too. The Chinese design DN59M AHTS has been built in large numbers - over 100 vessels, and Rolls Royce/Ulstein UT704s in excess of 80 vessels, though my stats on service vessels have not yet been fully validated.


Brgds
Phil




Offline Allan RO

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Re: from Liberty to Triple E
« Reply #5 on: August 21, 2014, 03:17:59 PM »
I also believe there are large numbers of Chinese built box-boats of standard designs

Allan

Offline Phil English

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Re: from Liberty to Triple E
« Reply #6 on: August 21, 2014, 03:29:58 PM »
Nothing on the scale of bulk carrier designs, Allan. The SDARI CV1100 tops the list with just over 100 units and it's unlikely that any more will be built.
Brgds
Phil

Offline itsfoto

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Re: from Liberty to Triple E
« Reply #7 on: August 23, 2014, 10:40:12 AM »
Well, this will remain rather inconclusive, it seems.
Too many ships, too many series spitting out too many units too fast. It would be quite impossible to keep track of all that.

One or two conclusions may be allowed, though.
The WWII series numbering 2.700 and 500+ units are still unbeaten so far, but they are, except for the Libertys, now being challenged.

Although I am from Denmark I have no emotional ties or other to the Triple Es, nor to MAERSK for that matter. But I can not help being awed by the sheer size of the project. Four million GT! That still places these ships among the top ten in history. Now convert this to numbers of crewmembers handling the amount of goods carried per type (tons per person, even taking crew on leave into consideration). . .

below appears my previous list slightly updated.
(Sorry for the appalling formatting, I can't make html formatting work.)

greetings

Uwe

Type            number - avg. size(GT) - number*size - example
Liberty            2.710    7.000  18.970.000  Hellas Liberty
Victory              531    7.000   3.717.000  American Victory
T2                 < 500   10.000   5.000.000  Amoco Virginia
C1-A                  67    5.000     335.000  Wairata
C1-B                  95    7.000     665.000  Flying Enterprise (not in Shipspotting)
C1-M                 233    4.000     932.000  Rio Dale
C2                   325    7.000   2.275.000  Charles E. Dant
C3                   465    8.000   3.720.000  Mormacland
C4                    75   12.000     900.000       
                     
                     
post WWII:                     
SDARI Dolphin 57     450   33.000  14.850.000  APJ Kais
SDARI Dolphin 64     372   36.000  13.392.000  Amber Champion
SD14                 211    9.000   1.899.000  Lotus Island
Imabari            > 200   17.000   3.400.000  Eastern Cape
Tsuneishi Kamsarmax  192   43.000   8.256.000  Saita I
Mitsui 56            176   36.000   6.336.000  Clipper Excelsior
TESS 58              172   32.000   5.504.000  Lowlands Patrasche
green dolphin 38      80           
triple E              20  195.000   3.900.000  Matz Maersk
TESS 98                ?   53.000              GL Xiushan
crown 63               ?           

Offline Craig

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Re: from Liberty to Triple E
« Reply #8 on: August 25, 2014, 07:03:20 AM »
Back in the 80's a chap by the name of Robert Scott wrote 2 books published by FairPlay  titled Standard Ship Designs which had small drawings of the major ships offered by various builders it also listed the built examples with their original names, The two volumes are on Bulk/Tankships and General Cargo/ RORo ships, they are well out of date now but still a valuable reference. A modern version would be great but it would be a huge task to tabulate the data.  The books were published 1985 and reprinted 1993. I have the 1993 versions so don't know if they were altered/updated between publications.
Rgds
Craig
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