Author
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Topic: Apollo Saturn V tanks: type of welding machine
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Apolloman Member Posts: 148 From: Ledignan, Gard (30), France Registered: Mar 2009
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posted 05-02-2011 07:15 AM
A question about the welding tanks on the Saturn V launcher: Which were used? MIG? MAG? and then TIG?Would you have a photo or photos of the welding machine "at rest"? |
SpaceAholic Member Posts: 4437 From: Sierra Vista, Arizona Registered: Nov 1999
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posted 05-02-2011 07:49 AM
A footnote in Stages to Saturn offers some references which can probably provide images and details: The procedures used in the fabrication of stages borrowed from prior aircraft experience and from extant techniques used in military rocket boosters. A useful semitechnical overview of contemporaneous practice is Frank W. Wilson and Walter R. Prange, eds., "Tooling for Aircraft and Missile Manufacture" (New York, 1964). Nevertheless, production of the various stages of Saturn presented new problems in metallurgy, tooling, and welding. The evolution of the S-IVB upper stage presented many typical problems. See, for example, K. H. Boucher, "Saturn Third Stage S-IVB Manufacturing," Douglas Paper 3707(1965), and E. Harpoothian, "The Production of Large Tanks for Cryogenic Fuels," Douglas Paper 3155 (1964). For discussion of the S-IC, see George Alexander, "Boeing Faces Unique Fabrication Challenge." Aviation Week and Space Technology, 77 (13 Aug. 1962): 52-63; Whitney G. Smith, "Fabricating the Saturn S-IC Booster," AIAA Paper 65-294 (1965). The S-II stage was plagued by welding problems, as described in an anonymous article, "The Toughest Weld of All," Skyline (1968), an unpaged reprint in the SHP files. Despite an obvious bias, company magazines like North American's Skyline and Boeing's Boeing Magazine frequently carried valuable descriptive articles and illustrations. The authoritative articles in Aviation Week and Space Technology are also valuable for their depth and accuracy. |
Apolloman Member Posts: 148 From: Ledignan, Gard (30), France Registered: Mar 2009
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posted 05-02-2011 11:06 AM
Thank you... But where to find these papers? |
SpaceAholic Member Posts: 4437 From: Sierra Vista, Arizona Registered: Nov 1999
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posted 05-04-2011 10:58 PM
S-II tank fabrication: 

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Apolloman Member Posts: 148 From: Ledignan, Gard (30), France Registered: Mar 2009
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posted 05-05-2011 06:27 AM
Thanks, you've got a real little treasure. Unfortunately this does not advance me to know the type of welding done (MIG, MAG or TIG).Thank you for your efforts. Would there be an engineer in the room? |
SpaceAholic Member Posts: 4437 From: Sierra Vista, Arizona Registered: Nov 1999
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posted 05-05-2011 07:29 AM
TIG - pull a copy of Stages to Saturn and review the sections addressing tank fabrication. Also Saturn V Structural Elements for details and diagrams.For those otherwise interested - the latter document also provides good discussion of Apollo CSM fabrication |
wickball Member Posts: 107 From: Cleveland, Ohio, USA Registered: Jul 2005
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posted 05-05-2011 06:54 PM
Scott, Are the documents above available for download from a site that does not require a fee? |
SpaceAholic Member Posts: 4437 From: Sierra Vista, Arizona Registered: Nov 1999
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posted 05-05-2011 07:13 PM
Scribed has a fee structure which can be circumvented if a document is uploaded. I have a copy of the Saturn V Structural Elements (its 11.4 megs) and would be happy to upload to a free resource for the community if somebody wants to host it. |
Apolloman Member Posts: 148 From: Ledignan, Gard (30), France Registered: Mar 2009
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posted 05-06-2011 05:38 AM
quote: Originally posted by SpaceAholic: ...if somebody wants to host it.
On my site no problem with that would be fun (I am entitled to 500 GB at my site host). I can do a direct download link. |
Apolloman Member Posts: 148 From: Ledignan, Gard (30), France Registered: Mar 2009
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posted 05-06-2011 05:43 AM
About TIG welding process, I think the USA you call Gas Tungsten Arc Welding (GTAW). |
Apolloman Member Posts: 148 From: Ledignan, Gard (30), France Registered: Mar 2009
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posted 05-06-2011 07:36 AM
Finally... for all: Saturn V rocket structural elements |
mikej Member Posts: 481 From: Germantown, WI USA Registered: Jan 2004
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posted 05-06-2011 05:20 PM
If you don't want to bother with the Megaupload forced-wait time and nagging to sign up for the premium version of service, there's always the copy at the NASA Technical Report Server.Based on the markings on the front cover, it appears to be the same scan as on Scribd. |
wickball Member Posts: 107 From: Cleveland, Ohio, USA Registered: Jul 2005
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posted 05-06-2011 05:34 PM
Thanks Scott and Apolloman, just got it. |
mikej Member Posts: 481 From: Germantown, WI USA Registered: Jan 2004
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posted 05-13-2011 12:38 PM
The NASA Technical Report Server has recently posted a MSFC document called Selected Welding Techniques Technology Utilization Notes.The document is a collection of "lessons learned" type articles, rather than a detailed description of how each tank was welded (although it does reference how techniques were developed for particular problems on Saturn stages), but it may be of interest. |