X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail-ey0-f180.google.com ([209.85.215.180] verified) by logan.com (CommuniGate Pro SMTP 5.3.10) with ESMTP id 4521523 for flyrotary@lancaironline.net; Wed, 20 Oct 2010 20:45:36 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.215.180; envelope-from=msteitle@gmail.com Received: by eyd9 with SMTP id 9so1230896eyd.25 for ; Wed, 20 Oct 2010 17:45:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:content-type; bh=FhG4odgP4Jxxz1xzo6rLAOIzmW5qJIXTzFmv3xg2fFA=; b=v7voGNc9J9ZvI5EsLuRzR+U1jD7trcIG8pyg5EJgbCXPP/x24m4JP6Q/yyHN/BqvVm mG5MggrrLOwXWiq96B2eL5zddaB1q6UhQAvQx2bEncjo9zUPBqYpXQgNFEoqCVCRLs5z RwB4Zz1kA3uFASr+9IBfac2Q+CYiN33XDMJOc= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=SuD0IiWJ+/5gsYY1uaxB8IwHGkl7Nr/GodPDUP80lwyHo6FenbERn4pJs+7SLinRnF b58MjG5KLqQEtT66lrrNhKjrvmPLioVHm8ec3nnueCDzz2D8Nhtqtk/z6gXOkm+yPx9h QttnHEHYlnfiUYaPZm58t8fdrmPhxNzcM0QSk= MIME-Version: 1.0 Received: by 10.213.32.199 with SMTP id e7mr7246400ebd.69.1287621898993; Wed, 20 Oct 2010 17:44:58 -0700 (PDT) Received: by 10.213.33.131 with HTTP; Wed, 20 Oct 2010 17:44:58 -0700 (PDT) In-Reply-To: References: Date: Wed, 20 Oct 2010 19:44:58 -0500 Message-ID: Subject: Re: [FlyRotary] Re: header parts source From: Mark Steitle To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary=0015174bf23ee4fef2049315d5c6 --0015174bf23ee4fef2049315d5c6 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable Brian, According to the label on the box, I ordered the inconel 625 filler rod fro= m Incoweld (http://www.incoweld.com/products.aspx). I found them by searchin= g the internet, so you may be able to do better, but at least they had what I needed. Mark On Wed, Oct 20, 2010 at 4:15 PM, George Lendich wrote= : > Brian, > That's way too much to have to pay. > Worst comes to worst, go to a welding shop and buy some from them. > George (down under) > > Where did you get the inconel rod? Central welding up here in Washinton > wants $35 a pound, minimum order of ten pounds. I've got an inconel exhau= st > that is tacked together right now, but can't proceed until I get some 625 > Inconel rod. > > Brian Trubee > > > > Tracy, > > I used inconel filler rod (which I had to purchase from an aerospace supp= ly > firm in California) and TIG welded my current inconel exhaust. Welding 6= 25 > Inconel was about the same as welding 321 SS, i.e. no special skills > requried. > > Mark S. > > On Tue, Oct 19, 2010 at 8:47 PM, Tracy wrote: > >> IF you use thick enough material, even mild steel will work. I used 321 >> for 2 reasons. You can go thinner with it than 304 and reduce the weigh= t. >> I put 900+ hours on a set of headers made from .035 321 SS with no signs= of >> deterioration (other than the metal turning a dark color). 321 SS is t= he >> nicest welding alloy I've ever worked with. I tried welding Inconel wit= h no >> luck at all so I would have needed professional help if I used that. >> >> Tracy >> >> >> On Tue, Oct 19, 2010 at 8:22 PM, Jeff Luckey wrote= : >> >>> >>> I thought that people were commonly using 321 for Rotary exhaust system= s >>> because it has a higher temp rating. >>> >>> It's been a while, but I vaguely remember looking it up, and the max >>> working >>> temps were something like this: >>> >>> 304 =3D 1200F >>> 321 =3D 1600F >>> >>> So, my question is, are people using 304 successfully for Rotary exhaus= t >>> systems. If so, that's great, because it's cheaper & more readily >>> available. >>> >>> >>> >>> -----Original Message----- >>> From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On >>> Behalf Of Ernest Christley >>> Sent: Tuesday, October 19, 2010 07:51 >>> To: Rotary motors in aircraft >>> Subject: [FlyRotary] Re: header parts source >>> >>> Jeff Luckey wrote: >>> > Does Columbia now carry 321 stainless. IIRC, I pinged them about a >>> year >>> > ago and they did not carry 321 stainless=85 >>> > >>> > >>> >>> I also bought bends from Columbia. Their service and delivery was >>> excellent. >>> >>> I don't see any mention of 321, but I wasn't really concerned about it. >>> Given the diameter of tube we have to use for >>> exhaust flow, and the thickness we need to contain the exhaust pulse, a= nd >>> the corrosion resistance characteristics of >>> the alloys at elevated temperatures, I couldn't see enough of a >>> difference >>> to stress over. >>> >>> > >>> > >>> -----------------------------------------------------------------------= - >>> > >>> > *From:* Rotary motors in aircraft [mailto:flyrotary@lancaironline.net= ] >>> > *On Behalf Of *kevin lane >>> > *Sent:* Monday, October 18, 2010 22:03 >>> > *To:* Rotary motors in aircraft >>> > *Subject:* [FlyRotary] header parts source >>> > >>> > >>> > >>> > I have been happy with Columbia mandrel bending. they make their own >>> > parts, family run, and significantly cheaper than burns. >>> > http://www.mandrel-bends.com/catalog/ >>> > >>> > last week I finally got the v-band, another 90=B0, a flex joint, and >>> > muffler added to this header. >>> > >>> > >>> > >>> > >>> > >>> > KevinLane Carpentry >>> > www.KevinLaneCarpentry.com < >>> http://www.KevinLaneCarpentry.com > >>> > >>> >>> >>> >>> -- >>> Homepage: http://www.flyrotary.com/ >>> Archive and UnSub: >>> http://mail.lancaironline.net:81/lists/flyrotary/List.html >>> >>> >>> -- >>> Homepage: http://www.flyrotary.com/ >>> Archive and UnSub: >>> http://mail.lancaironline.net:81/lists/flyrotary/List.html >>> >> >> > --0015174bf23ee4fef2049315d5c6 Content-Type: text/html; charset=windows-1252 Content-Transfer-Encoding: quoted-printable Brian,

According to the label on the box, I ordered the = inconel 625 filler rod from Incoweld (http://www.incoweld.com/products.aspx). =A0I found them by= searching the internet, so you may be able to do better, but at least they= had what I needed. =A0

Mark=A0

On Wed, Oct 2= 0, 2010 at 4:15 PM, George Lendich <lendich@aanet.com.au> wrote:
Brian,
That's way too much to have to pay.<= /div>
Worst comes to worst, go to a welding shop and = buy some=20 from them.
George (down under)
=A0
Where did you get the inconel rod? Central welding up here in Washinto= n=20 wants $35 a pound, minimum order=A0of ten pounds. I've got an inconel e= xhaust=20 that is tacked together right now, but can't proceed until I get some 6= 25=20 Inconel rod.
=A0
Brian Trubee



Tracy,
=A0
I used=A0inconel filler rod (which I had to purchase from an aerospace= =20 supply firm in California) and TIG welded my current inconel exhaust.=A0=20 Welding 625 Inconel was about=A0the same as welding 321 SS, i.e. no special= =20 skills requried.
=A0
Mark=A0S.=A0

On Tue, Oct 19, 2010 at 8:47 PM, Tracy <= tracy@rotaryaviation.com>=20 wrote:
IF you use thick enough material, eve= n mild steel will=20 work.=A0 I used 321 for 2 reasons.=A0 You can go thinner with it than=20 304 and reduce the weight.=A0 I put 900+ hours on a set of headers made= =20 from .035 321 SS with no signs of deterioration (other than the metal tur= ning=20 a dark color).=A0=A0 321 SS is the nicest welding alloy I've ever wor= ked=20 with.=A0 I tried welding Inconel with no luck at all so I would have need= ed=20 professional help if I used that.

Tracy=20


On Tue, Oct 19, 2010 at 8:22 PM, Jeff Luckey <= span dir=3D"ltr"><JLuckey@pacbell.net>=20 wrote:

I thought that peop= le were commonly using 321 for=20 Rotary exhaust systems
because it has a higher temp rating.

I= t's=20 been a while, but I vaguely remember looking it up, and the max=20 working
temps were something like this:

304 =3D 1200F
321 = =3D=20 1600F

So, my question is, are people using 304 successfully for= =20 Rotary exhaust
systems. =A0If so, that's great, because it's= cheaper=20 & more readily
available.



-----Original=20 Message-----
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.n= et]=20 On
Behalf Of Ernest Christley
Sent: Tuesday, October 19, 2010=20 07:51
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: head= er=20 parts source

Jeff Luckey wrote:
> Does Columbia now carry = 321=20 stainless. =A0IIRC, I pinged them about a year
> ago and they did= =20 not carry 321 stainless=85
>
>

I also bought bends f= rom=20 Columbia. =A0Their service and delivery was
excellent.

I don&= #39;t=20 see any mention of 321, but I wasn't really concerned about it.
= Given the=20 diameter of tube we have to use for
exhaust flow, and the thickness = we=20 need to contain the exhaust pulse, and
the corrosion resistance=20 characteristics of
the alloys at elevated temperatures, I couldn'= ;t see=20 enough of a difference
to stress over.

>
>=20 -----------------------------------------------------------------------= -
>
>=20 *From:* Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]
>= ;=20 *On Behalf Of *kevin lane
> *Sent:* Monday, October 18, 2010=20 22:03
> *To:* Rotary motors in aircraft
> *Subject:* [FlyRo= tary]=20 header parts source
>
>
>
> I have been happy w= ith=20 Columbia mandrel bending. =A0they make their own
> parts, family= =20 run, and significantly cheaper than burns.
> http://www.mandrel-bends.co= m/catalog/
>
> last=20 week I finally got the v-band, another 90=B0, a flex joint, and
>= =20 muffler added to this=20 header.
>
>
>
>
>
> KevinLane=20 Carpentry
> www.KevinLaneCarpentry.com <http://www.KevinLaneCarpentry.com&= gt;
>



--
Homepage:=20 =A0http://www.f= lyrotary.com/
Archive and UnSub:
http://mail.lancai= ronline.net:81/lists/flyrotary/List.html


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



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