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Author Topic: When Titanic was the  (Read 337 times)

Brian60

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When Titanic was the
« on: December 16, 2018, 02:20:18 PM »

biggest ship on the seas - I wonder what its captain would say nowadays??
This is a scaled photo to show comparison sizes.

Netleyned

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Re: When Titanic was the
« Reply #1 on: December 16, 2018, 02:29:55 PM »

One is an ocean liner albeit flawed. The other is a flotel   8)
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Colin Bishop

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Re: When Titanic was the
« Reply #2 on: December 16, 2018, 02:46:39 PM »

Not quite all that it seems though.

I put together some comparisons between the old Queen Mary and the Queen Mary 2 a while back which are interesting. Dimensions and Tonnage.

The commonly quoted ‘size’ Comparison for passenger ships is gross tonnage which is actually a measurement of internal space. Queen Mary was 81,000 tons while QM2 is no less than 151,000 tons, almost twice as much. However, when it comes to displacement tonnage, which reflects the actual weight of the vessel, the two ships are much the same and in fact the earlier ship is quoted as 80,000 tons as opposed to QM2’s 76,000 tons. (The big American Nimitz class aircraft carriers displace over 100,000 tons!). Queen Mary was 1019 feet long (311m) with a beam of 118 feet (36m). QM2 is 1,132 feet long (345m) with a beam of 135 feet (41m).  But Queen Mary had a deeper draught of 39 feet (11.9m) compared with QM2’s 33 feet (10.1m) and a rather fuller underwater hull form. Basically what this means is that QM2 offers a huge amount of extra usable space on a similar displacement compared to Queen Mary which reflects shipbuilding progress over the last 70 years.

Titanic actually displaced 52,000 tons, the two new Cunarders Queen Victoria and Queen Elizabeth displace around 48,000 tons according to a source I have seen.
As a footnote, the carrier HMS Queen Elizabeth displaces around 65,000 tons, almost exactly the same as the Japanese Yamato, the largest battleship ever built whih is another interesting comparison.
 
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