Fire tubes

Fire tubes

This topic has 3 replies, 3 voices, and was last updated 26 October 2021 at 21:38 by nigel jones 5.

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26 October 2021 at 10:37 #568295
Peter Simpson 3
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@petersimpson3
What fit should be achieved when fitting fire tubes to the tube plate prior to silver soldering ? I have my 5" gauge fire box fabricated and I'm now looking to assemble the tube stack. As per other info the tubes pass through both front and rear tube plates with out rubbing, Do the tubes require swaging into position. If so how do you swag the fire box end of the tubes with the fire box fabricated ?
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26 October 2021 at 10:37 #11001
Peter Simpson 3
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@petersimpson3
26 October 2021 at 13:26 #568319
duncan webster 1
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@duncanwebster1
Buy a copy of Keith Hales book from Cup alloys. Don't listen to anyone who says to make them a tight fit
26 October 2021 at 21:38 #568402
nigel jones 5
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@nigeljones5
I wouldnt take advise from anyone other than a boiler maker – feel free to pm me.
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