Return-Path: Received: from [216.145.187.8] (HELO inwave.com) by logan.com (CommuniGate Pro SMTP 4.1.5) with ESMTP id 2625316 for flyrotary@lancaironline.net; Sun, 05 Oct 2003 20:58:49 -0400 Received: from 1a [206.190.22.40] by inwave.com (SMTPD32-7.12) id AE4F12670048; Sun, 05 Oct 2003 19:58:55 -0500 Message-ID: <00aa01c38ba4$8ee251c0$2816bece@1a> From: "wiechman" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: I welded!!! Date: Sun, 5 Oct 2003 19:55:36 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00A7_01C38B7A.A4DE2A00" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4522.1200 This is a multi-part message in MIME format. ------=_NextPart_000_00A7_01C38B7A.A4DE2A00 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message Subject: [FlyRotary] I welded!!! My first practice session was short, thankfully, because I got the = nastiest "sunburn" you can imagine. Lesson one, when they say don't = have any uncovered skin in the vicinity of the TIG arc, they aren't = kidding. Despite the sunburn, I managed to stick a few pieces of steel = together. =20 Cheers, Rusty (but will it work on cast aluminum) =20 Rusty, SPF sunblock 45 lotion will save your skin on those hot days when a = long sleeved shirt is out of the question. For aluminum, use a pure tungsten electrode (green stripe) that is = sized for the increased amperage needed. Use a larger diameter ceramic = cup and increase argon flow. What machine and torch are you using? A 400 degree preheat will help on large pieces or if you're down on = amperage. Larry Wiechman ------=_NextPart_000_00A7_01C38B7A.A4DE2A00 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
 
Subject: [FlyRotary] I = welded!!!

 
My first = practice=20 session was short, thankfully, because I got the nastiest "sunburn" = you can=20 imagine.  Lesson one, when they say don't have any uncovered = skin in=20 the vicinity of the TIG arc, they aren't kidding.  Despite the = sunburn,=20 I managed to stick a few pieces of steel = together.
 
Cheers,
Rusty (but = will it work=20 on cast aluminum)

   =20

Rusty,

SPF sunblock 45 lotion will save your = skin on=20 those hot days when a long sleeved shirt is out of the = question.

For aluminum, use a pure tungsten = electrode=20 (green stripe) that is sized for the increased amperage needed. Use = a larger=20 diameter ceramic cup and increase argon flow. What machine and torch = are you=20 using?

A 400 degree preheat will help on = large pieces or=20 if you're down on amperage.

Larry=20 Wiechman

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