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Top The TRMA Discussion Forum topic #55656
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Subject: "Air shafts for Engine Room and D deck galley." Previous topic | Next topic
Karol_WTue Nov-21-17 03:27 PM
Member since Dec 10th 2016
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#55656, "Air shafts for Engine Room and D deck galley."
Tue Nov-21-17 03:28 PMby Karol_W

          

Good Evening.

I know there was a topic about this issue in the past, but because of missing pictures, i don't know if users came to any conclusion about this.

I have serious problems with understanding how the C deck area between turbine room casing and aft 1st class staircase was actually planned in term of ventilation shafts. Looks like the galley air shaft is suddenly dissapearing from the ship on this deck and just appear again in D deck ceiling. While the Longitudinal Engine Rooms plan from 'Engineering' which shows this area, show that this shaft shuld be there. But it's not on BB deck plans. The 20" fan most likely do not have anything to do with galleys ventilation, but supplied warm air to 1st class cabins and corridors on C deck.

https://imgur.com/O9IN6t7

https://imgur.com/v0OPoAm

1st picture are parts of Titanic GA plan from ET, 2nd is a part of 'Engineering' Engine Room Longitudinal Plan.

Regards,

Karol

  

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Replies to this topic

Ralph CurrellSat Nov-25-17 05:42 PM
Member since Mar 31st 2007
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#55661, "RE: Air shafts for Engine Room and D deck galley."
In response to Reply # 0


          

Hi Karol,

It should be understood that the general arrangement plans are extremely simplified when it comes to ventilation.

The 'Engineering' profile is a bit more detailed (showing the galley flue and steam exhaust pipes rising up the funnel) but there would have been a number of smaller ventilating ducts running along the light and air shafts, that don't appear on the plans.

The 20-inch fan you mention was, on the Olympic, used to exhaust the nearby staterooms, and I expect it was the same on the Titanic.

Regards,
Ralph

  

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Bill WestSat Nov-25-17 09:46 PM
Member since Feb 02nd 2010
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#55662, "RE: Air shafts for Engine Room and D deck galley."
In response to Reply # 1
Sun Nov-26-17 02:32 AMby Bill West

          

Hi Karol.
I think Bruce just missed a dividing line within the light & air shaft area on C deck. I've marked my guesses in green on your pictures:



What is uncertain to me is whether shaft #2 connects to the C deck fan or to the galley. Likewise is #1 to the galley or the engine room or both? We need to look at the fans at the base of #4 funnel for more identification.

I hope Steve is looking here, the galley stove exhaust is visible on the ER ceiling. The duct from the ER Light shaft fan must run aft to one side of center.

Bill
PS: I got the picture to insert by pasting its address into my preview text and deleting the www in the address per Ralph's sticky before submitting the post

Attachment #1, (jpg file)

  

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Ralph CurrellSun Nov-26-17 12:39 PM
Member since Mar 31st 2007
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#55663, "RE: Air shafts for Engine Room and D deck galley."
In response to Reply # 0


          

Hi Bill,

As best I can figure out, this is how the two trunks work. The 20" fan on C deck seems to be located outside the trunk, and is either a supply or exhaust to the first class staterooms.



Regards,
Ralph

Attachment #1, (gif file)

  

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SteveFurySun Nov-26-17 08:26 PM
Member since Feb 20th 2017
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#55664, "RE: Air shafts for Engine Room and D deck galley."
In response to Reply # 3


          

Below are relevant sections of the ventilation plan for the Olympic 1920 refit. They're blurry but I think they may help:









-Steve

Steve Fury
from Atlanta,GA USA

  

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Ralph CurrellMon Nov-27-17 03:48 PM
Member since Mar 31st 2007
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#55667, "RE: Air shafts for Engine Room and D deck galley."
In response to Reply # 4


          

Hi Steve,

Those plans pretty much say it all. It was an elaborate system, especially around that dummy funnel. Titanic's arrangement was not identical to Olympic's but would have been similar.

Regards,
Ralph

  

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