WW1 era Coal-fired ships - mechanical failures - Page 2 - Ships Nostalgia

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WW1 era Coal-fired ships - mechanical failures

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Old 19th September 2017, 07:10
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NoR NoR is offline  
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The propellor could become damaged necessitating slow steaming to keep the vibration down ?
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Old 19th September 2017, 07:33
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Originally Posted by oceanmariner View Post
A little late...
In WWII my father was on a liberty that an engineer allowed a boiler to get too hot, too much pressure and a large number of tubes expanded causing leaks and the ship had to drop behind. He called it a pregnant boiler. I think refers more to old scotch boilers.
Oceanmariner, in WW2 it would be a safe bet that half the steamships at sea would have been equipt with what was called two pass wet back Scotch marine fire tube boilers while the more modern steamers
Would of had the likes of Foster-Wheeler or Babcock and Wilcox water tube units to name a couple.
Too much pressure results in the safety valve lifting with little damage other than to the pride of the fireman or the engineer.
A large number of expanded tubes starting to leak might well point to a lowered water level below the upper tubes and the wet back combustion chamber crown. This would cause overheating of the tubes and crown that would soon result in far worse damage it not corrected, even an explosion.
Glad that I am not on board.

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Old 27th October 2017, 09:14
Billabong Billabong is offline  
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Thanks for your input Oceanmariner. I have finished that chapter now, but it was good to get further confirmation that I haven't written something ridiculously improbable.
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Old 6th November 2017, 10:17
George Bis George Bis is online now
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All this was before my time but in 1972 I was told that by an old Chief Mate that when he had sailed with coal the dust got everywhere.Another problem was that all the coal didn't necessarily go into the bunkers and ships could sail with some left on deck!
Another Mate told me that to him WW2 meant a big improvement to his living standards. His wage went from 30 shillings a month to 4 Also paid leave and a big improvement in food!
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