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--------------0159B4A6BFFE80E483D0C009 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Hi There . Yes maybe that is a good choise . When I went to welding school , they started us off on oxy-acetylene . It gives you the time to learn technique . Get some good instruction and practice . Remember to do as much prep work as possiable , and dont over heat ,and warp you tubing. Lots of luck with your endeavor. Gordon L. Slivinski BlueMax wrote: > Okay Owen- > > You convinced me- oxy/acetylene it is. Ill be spending my Christmas money > tomorrow. Thanks much! > > Bluemax > > Owen Davies wrote: > > > BlueMax asked: > > > > > If a welding wanabee were to have to make a single choice on which type > > > of welding outfit to buy for assembling a 4130 tubular airframe (and > > > some miscellaneous stuff) which should it be? I want to limit responses > > > to choices, not stuff like, "...you dont know what youre doing...." I > > > know that already. If it makes you feel better- then just think that > > > Im getting it- so my welding buddy doesnt have to drag his monster > > > welder over to my house when he welds my airframe....yeah...thats it.. > > > > > Oxy/Acetylene - TIG - MIG - Plasma Cutter - Arc ac/dc - did I leave any > > > out? > > > > With respect to the folks who wrote the two answers that have come > > across our local newsgroup server so far, their suggestions baffle me. > > There is nothing you need to do in building an airplane that cant be done > > with a torch. 4130 is easy. Aluminum just takes a good filter and a bit > > more > > practice. Even Richard Finch, in "Performance Welding," admits that for a > > one-off, youre probably better off with oxyacetylene, and he loves TIG. > > > > Also, you said "a single choice." That limits you to gas welding. After > > debating the point for years (largely under the influence of Finch and a few > > like-minded weldors), Ive finally come to the conclusion that critical > > welds in > > such places as wing attach fittings and landing gear really should be re- > > heated after welding. You will need a torch for that anyway. Why blow > > big bucks on a TIG unit you dont really need when you cant escape paying > > for a torch that will do it all? > > > > Well, okay, I can see two possible reasons: You plan to dump your > > present career and become a professional weldor. Or you expect to make > > some of your fittings out of titanium. There might be a third reason, but > > it doesnt have anything to do with normal homebuilding. > > > > Suggestion: Go to www.tinmantech.com and buy Kent Whites > > videotapes on welding up 4130 airframes. Best $70 and four hours > > youll ever spend. Youll see torches everywhere you look. Not TIGs. > > > > Check in with Deja News as well. This topic has been debated here > > ad nauseum, and occasionally at sci.engr.joining.welding. > > > > Best of luck, > > > > Owen Davies --------------0159B4A6BFFE80E483D0C009 Content-Type: text/x-vcard; charset=us-ascii; name="reelflyt.vcf" Content-Transfer-Encoding: 7bit Content-Description: Card for Gordon L. Slivinski Content-Disposition: attachment; filename="reelflyt.vcf" begin:vcard n:Slivinski;Gordon x-mozilla-html:FALSE adr:;;;;;; version:2.1 note;quoted-printable:Reel Flight Hang Gliders and Trikes =0D=0AEdmonton , Alberta , Canada fn:Gordon L. Slivinski end:vcard --------------0159B4A6BFFE80E483D0C009-- |
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