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 Post subject: Re: PRR 1361 Update
PostPosted: Sun Nov 19, 2017 6:43 pm 

Joined: Tue Sep 14, 2004 7:52 am
Posts: 2558
Location: Strasburg, PA
It needs the full 1472 reverse engineering and analysis, which seems to have never been done. The roof needs its original 3/8" (now wasted to less than 5/16") sheet replaced with a 1/2" thick sheet.

Regarding the rest of the boiler, I don't know. The 1472 analysis would tell.


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 Post subject: Re: PRR 1361 Update
PostPosted: Sun Nov 19, 2017 6:51 pm 

Joined: Sun Aug 22, 2004 7:19 am
Posts: 6394
Location: southeastern USA
It's a Belpaire - roof sheet. I seem to recall some sort of lack of consistency between the PRR way of designing and the currently mandated way of calculating stresses. Kind of reminds me of all those Baldwins with 5/16" inside door sheets with damn little margin in them for loss........

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