[TheForge] Welding advice -- Now Heavy Welds

[Kevin Donahoe]

An old blacksmithing buddy from Bellingham had worked as a loftsman in a
shipyard during WWII, and I recall him saying something about the first
boats being welded together with plates set end to end.  After some cracked
up in rough water they started stagering the plates.  IIRC.

Kevin Donahoe
Flying Pig Forge
Morrow, OH 45152
flyinpig at go-concepts.com

  >-----Original Message-----
  >From: theforge-bounces at mailman.qth.net
  >[mailto:theforge-bounces at mailman.qth.net]On Behalf Of David E. Smucker
  >Sent: Wednesday, March 02, 2005 8:19 PM
  >To: Sponsored by ABANA
  >Subject: Re: [TheForge] Welding advice -- Now Heavy Welds
  >
  >
  >Chuck / James -- this all make sense -- the use of riveted
  >structures for
  >ships -- As almost all heavy industrial structural steel was still using
  >riveted design well into the 1950's.  (I know that based on older mill
  >building in the company I worked for being riveted
  >construction.)  In fact
  >if I remember this correctly some of the first welded ship
  >construction was
  >the "Liberty" Ships built during WWII and a number of these
  >ended up with
  >stress cracking failures while at sea.
  >
  >Use of the riveted construction that allowed ships to "work" was an
  >extension of the timber construction that did the same.  It is
  >interesting
  >to read about ships of the early 1800's and how much active
  >rebuilding that
  >was always going on all of the time, some even while at sea.
  >The first of
  >the iron clad (1860's) of course where wrought iron plates on wooden
  >superstructures.  This ended the all wooden ship for most war ships.
  >
  >Dave Smucker
  >----- Original Message -----
  >From: "Chuck Robinson" <robi5515 at bellsouth.net>
  >To: "Sponsored by ABANA" <theforge at mailman.qth.net>
  >Sent: Wednesday, March 02, 2005 2:26 PM
  >Subject: Re: [TheForge] Welding advice -- Now Heavy Welds
  >
  >
  >> OK so they are heavy rivets.
  >> Chuck
  >> ----- Original Message -----
  >> From: "James Binnion" <jbin at well.com>
  >> To: "Sponsored by ABANA" <theforge at mailman.qth.net>
  >> Sent: Wednesday, March 02, 2005 11:40 AM
  >> Subject: Re: [TheForge] Welding advice -- Now Heavy Welds
  >>
  >>
  >>> Armor plate was bolted in place. see
  >>> http://www.usswashington.com/pnybuild/pny_55.htm and
  >>> http://www.usswashington.com/pnybuild/pny_56.htm
  >>>
  >>>>In the 20's ships hull plates were riveted not welded. It
  >wasn't till the
  >>>>40's before the process to weld hulls was perfected enough so
  >that the
  >>>>hulls could flex enough in heavy sea states so they wouldn't
  >stress crack
  >>>>and fail.
  >>>>Chuck
  >>>>----- Original Message ----- From: "Andrew Vida" <osan at netlabs.net>
  >>>>To: "Sponsored by ABANA" <theforge at mailman.qth.net>
  >>>>Sent: Tuesday, March 01, 2005 6:59 PM
  >>>>Subject: Re: [TheForge] Welding advice -- Now Heavy Welds
  >>>>
  >>>>>
  >>>>>
  >>>>>David E. Smucker wrote:
  >>>>>>As to Andy's original question I would guess that the heavy plate
  >>>>>>sections were welded using a submerged arc weld system.
  >>>>>
  >>>>>But how would they have done it in the 1920s?
  >>>>>
  >>>>>
  >>>>>--
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  >>> --
  >>> Jim Binnion
  >>>
  >>> James Binnion Metal Arts
  >>> Phone (360) 756-6550
  >>> Toll Free (877) 408 7287
  >>> Fax (360) 756-2160
  >>> http://www.mokume-gane.com
  >>> jbin at mokume-gane.com
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