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Top The TRMA Discussion Forum topic #47833
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Subject: "Double-bottom hull sections" Previous topic | Next topic
Eugene_S.S.Thu Oct-18-12 04:44 AM
Member since Feb 04th 2012
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#47833, "Double-bottom hull sections"


  

          

Hi people!

Could anybody help me with some particular info reg. these large double-bottom hull sections from under Boiler room #1, please?
Is there a data on their size (length by the width) and approx. weight?

It seems to me I read it somewhere, but – to my shame – I can’t remember where exactly…

Sorry for the dumb question, and thanks in advance,
Eugene.

Attachment #1, (jpg file)

  

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Roy MengotWed Oct-24-12 09:03 AM
Member since Nov 20th 2011
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#47882, "RE: Double-bottom hull sections"
In response to Reply # 0


          

Those double bottom sections have about 20 tons of basic steel in them per frame (3 feet, .92 meters). The forward section is about 12 frames (36ft X 92ft, 33m X 85m) but there irregularities on the exact length of the torn shell plating at the ends and sides. That puts the weight at about 240 tons plus any pipes, tanks, boiler mounts, or other fittings that we can't see. Call it 250 tons.

The aft section is about 10 frames long (~6ftft, 2m) shorter, but has additional bracing for the engines and probably has the forward engine mounts, some pumps and other engine plumbing still attached so it's weight may be roughly the the same or a little more.

The Ken Marschall drawings I have are rather poor quality. They show the break at frame 25 aft and that's where the greatest compression failure evidence is seen. That's why I think Titanic broke bottom-up.




Regards
Roy Mengot
TRMA Trustee

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Deep QuestWed Oct-24-12 01:15 PM
Member since Jul 21st 2011
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#47885, "RE: Double-bottom hull sections"
In response to Reply # 1


          

Hi all,

Mr Mengot, this evening I was reading your post.
Many thanks for these interesting information that could be useful for all modellers.

Two Ken Marshall drawings, in good quality and very detailed (lower, port, starboard, aft, forward views) are available between pages 24-25 of "Titanic's last secrets" (Brad Matsen) where are clearly visible frames numbers for each piece:
- aft section: frames from 35 to 25 (with enclosed WTB "K" at frame 29) - frames from 37 to 21 considering the outer fragments;
- forward section: frames from 25 to 13 (with enclosed WTB "J" at frame 18) - frames from 26 to 13 considering the outer fragments;

A good drawing (by William Barney) is available consulting the TRMA gallery:
- http://titanic-model.com/forum_archives/illustrations_new/pages/1268.html

Once again thanks.

Best regards

Livio

  

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Eugene_S.S.Wed Oct-24-12 07:25 PM
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#47891, "RE: Double-bottom hull sections"
In response to Reply # 2


  

          

PS. Thank you, Livio, for the helpful reference to the TRMA gallery, at least! This drawing by Mr. Barney is also very neat & descriptive, it seems!

  

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Eugene_S.S.Wed Oct-24-12 01:15 PM
Member since Feb 04th 2012
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#47886, "RE: Double-bottom hull sections"
In response to Reply # 1


  

          

Dear Mr. Mengot!

Actually this question was addressed to you mainly, since I was certain that you know the answer and you have this specific information! Now I thank you from _the_bottom_ of my heart for providing these essential data so kindly and openly!!
It's of a great importance for me, really! It gives a remarkable sense of scale and the understanding of the significance of these findings!

I even see the traces of antifouling carmine paint…

Pity that these double-bottom sections can not be raised like “The Big Piece” (due to such their size & weight)…

Special Spasibo for the Ken Marschall ‘s coolest drawing diagram, I’ve never seen this before (even in such a quality)! Of course, it’s hella interesting to examine the area of the compression failure in all the details… as the strongest evidence for your famous “Bottom-up” theory!
Btw, I write about it (in a measure of my understanding) in my forthcoming book to give Russian readers some education on this… 8)

Yours deeply thankful and respectful,
Eugene.

  

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