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Top The TRMA Discussion Forum topic #55374
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Subject: "RE: Funnel Plating " Previous topic | Next topic
Scott AndrewsMon Aug-07-17 12:33 PM
Member since Sep 18th 2004
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#55411, "RE: Funnel Plating "
In response to In response to 15


  

          

Hi Ralph,

Yes, Normandie had the "egg-crate" type of inner funnel as well. In fact, I've noticed this, and variations of this arrangement in other ships and, always, it sees to go hand-in-hand with the application of watertube boilers. The tops of upper inner funnels of the Ballin trio also appear to be divided fully to the top, based upon available aerial photos and others which allow a glance at the funnels from this vantage point. By way of contrast, it seems that all of the photos I've been able to find of large ships having many firetube boilers connected to a given funnel, it appears that the inner funnels were divided only as high as the casing tops, while the upper inner funnel was a simple undivided tube of the same cross-section as the outer "skin" which concealed it. It would seem to me that there must have been some advantage in draft to be gained in keeping the flues separated to the very top with watertube boilers, that didn't apply to the operation of Scotch boilers, whether they be coal- or oil-fired.

Regards,
Scott Andrews
TRMA Trustee

  

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Funnel Plating [View all] , s-bguzik, Tue Jul-25-17 09:36 PM
  RE: Funnel Plating , Ralph Currell, Jul 26th 2017, #1
RE: Funnel Plating , s-bguzik, Jul 26th 2017, #2
      RE: Funnel Plating , Titanic5972, Jul 26th 2017, #3
RE: Funnel Plating , leon, Jul 27th 2017, #4
RE: Funnel Plating , s-bguzik, Jul 27th 2017, #5
      RE: Funnel Plating , Art Braunschweiger, Jul 27th 2017, #6
           RE: Funnel Plating , s-bguzik, Jul 27th 2017, #7
RE: Funnel Plating , leon, Aug 01st 2017, #8
RE: Funnel Plating , leon, Aug 01st 2017, #9
RE: Funnel Plating , s-bguzik, Aug 01st 2017, #10
RE: Funnel Plating , Ralph Currell, Aug 03rd 2017, #11
      RE: Funnel Plating , bpread, Aug 03rd 2017, #12
           RE: Funnel Plating , Ralph Currell, Aug 04th 2017, #13
                RE: Funnel Plating , Scott Andrews, Aug 04th 2017, #14
                     RE: Funnel Plating , Ralph Currell, Aug 04th 2017, #15
                          RE: Funnel Plating , Scott Andrews, Aug 07th 2017 #16

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