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Re: APPLES & ORANGES and hunks of metal

To: "Jim Dincau" <jdincau@qnet.com>, <FastmetalBDF@aol.com>,
Subject: Re: APPLES & ORANGES and hunks of metal
From: "Keith Turk" <kturk@ala.net>
Date: Sat, 13 Jan 2001 20:14:56 -0600
That would be them.... In my case there was a mismatch in angle of the
flange and they had to be pulled together which caused a crack.... I just
filled it in.... not a biggie...

Jack's work was very pretty... except that angle issue... which I thought
was an honest mistake..

Keith
----- Original Message -----
From: "Jim Dincau" <jdincau@qnet.com>
To: "Keith Turk" <kturk@ala.net>; <FastmetalBDF@aol.com>;
<land-speed@autox.team.net>
Sent: Saturday, January 13, 2001 7:54 PM
Subject: Re: APPLES & ORANGES and hunks of metal


> Keith are they welded and ground smooth on the inside face of the flange?
> Some headers are done this way with the outside gap filled with braze to
> keep them from cracking due to vibration.
> Jim in Palmdale where it actually rained yesterday
>
> ----- Original Message -----
> From: Keith Turk <kturk@ala.net>
> To: <FastmetalBDF@aol.com>; <land-speed@autox.team.net>
> Sent: Saturday, January 13, 2001 5:42 PM
> Subject: Re: APPLES & ORANGES and hunks of metal
>
>
> > I was under the impression that when I use a Brass Rod and Flux out of a
> can
> > on Steel that was called Brazing...
> >
> > My headers were built by Jack Davis ... of Davis headers in Ontario
> > California.... they are 2...2 1/8th...2 1/4" steps all done with a gas
> > torch.. they are steel against Steel in all but the flanges which are
> Heated
> > and connected with this Shiny Gold Rod that looks like Brass... when it
> > cracked from an installation requirement.... I took my gas torch and
fixed
> > it with that Brass rod....
> >
> > Hmmm Bruce you know way to much for me to argue with you on this one....
I
> > just wouldn't know what else to call it other then Brazing.... hmmm
> >
> > Keith
> > ----- Original Message -----
> > From: <FastmetalBDF@aol.com>
> > To: <kturk@ala.net>; <land-speed@autox.team.net>
> > Sent: Saturday, January 13, 2001 12:49 PM
> > Subject: APPLES & ORANGES and hunks of metal
> >
> >
> > >           Keith :
> > >                    GAS  WELDING  IS  NOT  THE  SAME  AS  BRAZING .
> > >
> > >      Brazing is a form of soldering, with flux and brass rod ...... it
> has
> > its
> > > place in some things automotive ..... building headers is not one of
> these
> > .
> > >      Way back in the distant 50s, before I got an arc welder, I gas
> welded
> > > tow bars, bumper brackets, engine hoisting rigs and stands, and
> everything
> > > else that needed to be hitched ..... out of sheer necessity !    I
have
> > even
> > > gas welded 3 / 8 "steel plate successfully ( but would never do it
> again,
> > for
> > > a number of obvious reasons ..... plus the heat hitting my face from
> that
> > > largest welding tip would make a hot day on the salt seem like a cool
> > > breeze by comparison ..... a VERY inappropriate way to weld
thicknesses
> > > like that, even if it stood the test of time !    I do not own a TIG
set
> > up,
> > > unfortunately, but it is basically gas welding without the shielding
gas
> > > ......
> > > while I am proud of the headers I gas welded in the early 60s, they do
> > > not measure up to the excellent TIG welds Doug got on the headers we
> > > built for Black Radon ..... TIG  IS the way to fly on most racecar
stuff
> > !
> > >       I used to even stick weld flanges on headers and exhaust systems
> > > using 6013 AC rod, and it worked very well ..... but nowadays I would
> > > utilize MIG ( electronic caulking ! ) on this and many other jobs that
I
> > > formerly handled with stick welding ..... we used MIG when we chopped
> > > Darrell' s Impala ..... but like Joe from Delaware says ..... it does
> > produce
> > > a hard weld bead !   I agree with both Joe' s statements, and those of
> > > Dave the hayseed ..... stick welding can produce welds with excellent
> > > penetration, strength, and still look very good, too ..... I have seen
> > many
> > > very good cages that were stick welded ( and some awful ones, both
> > > stick and MIG welded ! )   Most good welding depends on good surface
> > > preparation, and the welder' s SKILL , of course ..... the old  "
> Practice
> > > makes Perfect " bit . Those tin side V8 60s did have pretty fair
> welding,
> > > but next time you see an unpainted aircraft bellytank, check out the
> > > full circumference welds on the seams ...... absolute JEWELRY !!!
> > > ( because machines have steadier " hands " than we do ! )
> > >       Just a few of my thoughts on this, Keith, but remember, next
time
> > > you are BRAZING two pieces of metal together in your shop ......
> > >        you are NOT gas welding  !
> > >      Bruce, who learned that while the price was RIGHT, the coat
hangers
> > > from my Mom' s closet did not make the BEST welds .......
> > >                      FORTY  FIVE  years ago !

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