X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 2 [X] Return-Path: Received: from smtp104.sbc.mail.mud.yahoo.com ([68.142.198.203] verified) by logan.com (CommuniGate Pro SMTP 5.1.7) with SMTP id 1917662 for flyrotary@lancaironline.net; Mon, 12 Mar 2007 21:27:12 -0400 Received-SPF: none receiver=logan.com; client-ip=68.142.198.203; envelope-from=downing.j@sbcglobal.net Received: (qmail 5002 invoked from network); 13 Mar 2007 01:26:26 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=sbcglobal.net; h=Received:X-YMail-OSG:Message-ID:From:To:Subject:Date:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE; b=MAWOYjX7jnS4bHMb45zKcz3o5hNgBpPJpbHov2/HgoKQBOvMTnLI3wwhOILX3XmXNUe9kWUlg9VctAJGZgEDEamEVUQ/tTy1tFtcrm0eWaCBVBNVIssWH70EWCMN1/aJK797976kRuE1NHJMTt2TtwciwECfheYoas83QJyggSI= ; Received: from unknown (HELO mom) (downing.j@sbcglobal.net@75.40.224.46 with login) by smtp104.sbc.mail.mud.yahoo.com with SMTP; 13 Mar 2007 01:26:26 -0000 X-YMail-OSG: cl_9RGgVM1mlSxE4A2n6ueTQ7Lgqsg9153PHcYMbHuxJT6NLA0iH_AJP4ms2eSgROE6JfI506glPIw4sGn73OkIEzLwfoFTzZFzZtDzfe67cjlhDL69fbH8izM1mLXDQ8_LX3HMmG.eYGjM- Message-ID: <001d01c7650e$b487e1a0$4001a8c0@gateway.2wire.net> From: "John Downing" To: "flyrotary" Subject: Rust Date: Mon, 12 Mar 2007 20:27:02 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_001A_01C764E4.CB1AC9C0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1409 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1409 This is a multi-part message in MIME format. ------=_NextPart_000_001A_01C764E4.CB1AC9C0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Charlie, you had the right idea about the aluminum bottle. I had the = propane bottle built and there was some petroleum residue in there that = the acid didn't want to touch, so I'm thinking that I can just saw the = bottle in half and clean it, weld back together again, no big deal. I = didn't notice anything unusual about welding when I welded the fittings = on the side and filled the vent holes in the top that I drilled to purge = the bottle, but when l tried to weld the bottle back together, it = started to bulge and crack along the weld and I just couldn't get it = welded even trying to stress relieve it. So tomorrow I'll order up some = weld bungs for the fire extinguisher bottle, as I have two or three of = them lying around here. Some times all the welding experience in the = world doesn't prepare you for the unknown. JohnD If we homebuilders charged ourselves time at the going rate we = would have some very expensive aircraft ------=_NextPart_000_001A_01C764E4.CB1AC9C0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Charlie, you had the right idea about = the aluminum=20 bottle. I had the propane bottle built and there was some = petroleum=20 residue in there that the acid didn't want to touch, so I'm thinking = that I can=20 just saw the bottle in half and clean it, weld back together again, no = big=20 deal. I didn't notice anything unusual about welding when I welded = the=20 fittings on the side and filled the vent holes in the top that I drilled = to=20 purge the bottle, but when l tried to weld the bottle back together, it = started=20 to bulge and crack along the weld and I just couldn't get it welded even = trying=20 to stress relieve it. So tomorrow I'll order up some weld bungs = for the=20 fire extinguisher bottle, as I have two or three of them lying around=20 here. Some times all the welding experience in the world doesn't = prepare=20 you for the unknown. JohnD

If=20 we homebuilders charged ourselves time at the going rate we would have = some very=20 expensive aircraft

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