X-Virus-Scanned: clean according to Sophos on Logan.com From: "David Leonard" Received: from mail-ig0-f176.google.com ([209.85.213.176] verified) by logan.com (CommuniGate Pro SMTP 6.1.9) with ESMTPS id 8574668 for flyrotary@lancaironline.net; Wed, 13 Apr 2016 14:39:27 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.213.176; envelope-from=wdleonard@gmail.com Received: by mail-ig0-f176.google.com with SMTP id gy3so128358672igb.0 for ; Wed, 13 Apr 2016 11:39:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to; bh=Hcqvbfhd/rbmfMTPqD/R/NBR7dae3EVU62CqoKe7gjo=; b=Ag8by8KAF45ef+1BpIVfLhHF65bRnFC9GKnRTkSSf7n/CCIoWpPJivYuwpFIgIzmKk k090m5CRwHSmKAOG1tk6FshyX3dbzgHSm68LdC/d8OXmpJfbz14Clu8tWnO1UVDH1s+9 BRsBfEtlObbnr5Nl15C/iIVT5GxySZI70/nxXG89afw2UNTPQ3q7IUJpTVBM8NV169J3 3l2Kt6YcnIJB3ZmaOezD7DQ0ADh/75TEZTqMoKkzCJyrgKJ4bxPKQ/4CjE86SvnXeJiC ATjsR8nrHDzzWoyvR5faDgy2EfKduW2OYS5BynwnYulZVyXfdJ+EuY7ioYjI3HzHs4K/ 5y4Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to; bh=Hcqvbfhd/rbmfMTPqD/R/NBR7dae3EVU62CqoKe7gjo=; b=GyKxJga51WkXBDm/ZoyCO2R16+eFCW0oRYs3G5iyjE6DTlUzogOISSKg90YsQcvAgP 2EbNtrMZlDSxkTDBBGLXiwR+FVypSb+3HcnC+F4w5hZzH5p2ZqT6+PIgtCBpudd3DDd2 C3+EvqDPh5aToyc4xlk7JgtRQv4M9ATVGfKVIm8WZNpO19Ivh6B41plFU8F4uh5ZuYlK H3cMmNXr7EAMxz7yL1C2owqffHsBvVc7wSWLh+93c1+FniktyPblGbMPkOx8WTpBD7oj tIFOPu1n91ukrv91UO8trKUUtv8EiQnT4cu1ThYO90VwmtrpJDF343XRAjjRrOiocVRK /q4Q== X-Gm-Message-State: AD7BkJKzcGg7nwmKmatsdTHhO2po/6VRHZb3LdI7XJwjSp0iX5OvqroJgGVOXuqo8r3O14h98oBVwF6labLyRw== MIME-Version: 1.0 X-Received: by 10.50.16.200 with SMTP id i8mr33457195igd.21.1460572749230; Wed, 13 Apr 2016 11:39:09 -0700 (PDT) Received: by 10.79.69.129 with HTTP; Wed, 13 Apr 2016 11:39:09 -0700 (PDT) In-Reply-To: References: Date: Wed, 13 Apr 2016 11:39:09 -0700 Message-ID: Subject: Re: [FlyRotary] Re: Welding Update To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary=f46d04426c62e311630530621787 --f46d04426c62e311630530621787 Content-Type: text/plain; charset=UTF-8 on gosh, that adds another wrinkle... Can I use a generic propane torch? Dave Leonard On Tue, Apr 12, 2016 at 5:09 PM, William Jepson wrote: > Dave, > The tig is great. One thing to remember is to anneal the area around welds > whenever possible. Tig allows you to weld many metals but annealing > prevents cracking right next to the weld later. If it is a motor mount it > is a good idea to shot peen as well. > > Bill Jepson > On Apr 12, 2016 5:02 PM, "David Leonard" > wrote: > >> Charlie, >> Your post below reminded me that I wanted to thank everyone who suggested >> I get a TIG system rather than some other form of welding set-up. After >> getting up to speed on the benefits of the different types of welding, it >> is clear that TIG was the only solution for my needs (most versatile and >> most appropriate for the lighter gauge metals used in aircraft). After >> spending a couple weeks learning to not destroy everything I touch with it, >> I can finally create ugly looking things that would loosely fall into the >> category of a weld. But is is fun, and great to have the ability to fix a >> lot of things that were previously thrown out or limped along with JB weld. >> >> I have been able to repair cracks in my exhaust system and beef up my >> 4130 engine mount, not to mention a ton of projects at home. >> >> Wish I did it sooner. >> >> David Leonard >> >> On Tue, Apr 12, 2016 at 3:28 PM, Charlie England < >> flyrotary@lancaironline.net> wrote: >> >>> Several years ago, some rotary users tried various flattened exhaust >>> tips, as seen on a lot of European homebuilts. (Supposed to help with >>> making exhaust tone less irritating.) IIRC, everyone found that the rotary >>> would destroy the tips very quickly. Well, while walking through the >>> Fantasy of Flight museum about a week ago, I noticed these tips on (IIRC) a >>> P-40. Looks like they maintained a curved shape but were still able to have >>> the pinched outlet. Don't know if it would actually work with a rotary, but >>> it should have a better chance than the purely flat tips. >>> >>> Charlie >>> >>> -- >>> Homepage: http://www.flyrotary.com/ >>> Archive and UnSub: >>> http://mail.lancaironline.net:81/lists/flyrotary/List.html >>> >>> >> --f46d04426c62e311630530621787 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
on gosh, =C2=A0that adds another wrinkle...=C2=A0 Can I us= e a generic propane torch?

Dave Leonard

On Tue, Apr 12, 2016 a= t 5:09 PM, William Jepson <flyrotary@lancaironline.net> wrote:

Dave,
The tig is great. One thing to remember is to anneal the area around welds = whenever possible. Tig allows you to weld many metals but annealing prevent= s cracking right next to the weld later. If it is a motor mount it is a goo= d idea to shot peen as well.

Bill Jepson

On Apr 12, 2016 5:02 PM, "David Leonard&quo= t; <fly= rotary@lancaironline.net> wrote:
Charlie,
Your post below reminded = me that I wanted to thank everyone who suggested I get a TIG system rather = than some other form of welding set-up.=C2=A0 After getting up to speed on = the benefits of the different types of welding, it is clear that TIG was th= e only solution for my needs (most versatile and most appropriate for the l= ighter gauge metals used in aircraft).=C2=A0 After spending a couple weeks = learning to not destroy everything I touch with it, I can finally create ug= ly looking things that would loosely fall into the category of a weld.=C2= =A0 But is is fun, and great to have the ability to fix a lot of things tha= t were previously thrown out or limped along with JB weld.

I have been able to repair cracks in my exhaust system and beef up= my 4130 engine mount, not to mention a ton of projects at home. =C2=A0

Wish I did it sooner.

David = Leonard

On Tue= , Apr 12, 2016 at 3:28 PM, Charlie England <flyrotary@lancaironl= ine.net> wrote:
Several yea= rs ago, some rotary users tried various flattened exhaust tips, as seen on = a lot of European homebuilts. (Supposed to help with making exhaust tone le= ss irritating.) IIRC, everyone found that the rotary would destroy the tips= very quickly. Well, while walking through the Fantasy of Flight museum abo= ut a week ago, I noticed these tips on (IIRC) a P-40. Looks like they maint= ained a curved shape but were still able to have the pinched outlet. Don= 9;t know if it would actually work with a rotary, but it should have a bett= er chance than the purely flat tips.

Charlie

--
Homepage:=C2=A0 http://www.flyrotary.com/
Archive and UnSub:=C2=A0 =C2=A0http://mail= .lancaironline.net:81/lists/flyrotary/List.html



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