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Science Forum Index » Engineering - Joining (Welding) Forum » welding vw crankcase (AS41)
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| Guest |
 Posted: Thu Feb 08, 2007 1:07 pm |
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i've got some welding i'd like to have done to my crankcase (as41) i
have mate who's a welder (tig) but we don't know what sort of filler
rod to use can some one please tell me? |
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| Potblak |
| Posted: Thu Feb 08, 2007 6:47 pm |
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<prof_pat_pending@theyliveonline.net> wrote in message
news:1170954466.096365.163100@a34g2000cwb.googlegroups.com...
Quote: i've got some welding i'd like to have done to my crankcase (as41) i
have mate who's a welder (tig) but we don't know what sort of filler
rod to use can some one please tell me?
Brave man!
AS41 composition is
4.3% Al , .35% Mn , 1.0% Si , remainder MAGNESIUM!
Why do you think it is that VW's burn so well? |
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| Stupendous Man |
| Posted: Thu Feb 08, 2007 10:08 pm |
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I started out as a VW tech in the early 70s and have seen many cases that
cracked and were welded with a variety of techniques including gussets and
full surround braces. All re-cracked and leaked. Save yourself time and
money, and buy a new one. |
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| brian458666 |
| Posted: Fri Feb 09, 2007 5:25 am |
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On Feb 8, 6:08 pm, "Stupendous Man" <s...@trap.com> wrote:
Quote: I started out as a VW tech in the early 70s and have seen many cases that
cracked and were welded with a variety of techniques including gussets and
full surround braces. All re-cracked and leaked. Save yourself time and
money, and buy a new one.
Is there a reason you left out the warping? |
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| Vernon |
| Posted: Fri Feb 09, 2007 10:22 pm |
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Yeah, buddy! I had a '63 Karmann Ghia go up one summer night. I
think it was spontaneous combustion from some rags in the back
floorboard. The fire department responded. The more water they
poured on it the faster and brighter it burned!
V
Quote:
Brave man!
AS41 composition is
4.3% Al , .35% Mn , 1.0% Si , remainder MAGNESIUM!
Why do you think it is that VW's burn so well? |
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| Potblak |
| Posted: Sat Feb 10, 2007 8:33 am |
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The classic mode of combustion went something like
:just stop the engine right after a hot run.
:fuel in carby boils due to rising engine heat and spills over onto top of
crankcase (and distributor!)
:Engine is re-started before fuel boils away
:sparks from distributor ignite fuel
:goodbye VW!
The Australian bush is littered with wrecks of VW beetles and combis.
Definitely a cold climate car.
"Vernon" <vtuck@tucklings.com> wrote in message
news:1171074130.682552.211090@v45g2000cwv.googlegroups.com...
Quote: Yeah, buddy! I had a '63 Karmann Ghia go up one summer night. I
think it was spontaneous combustion from some rags in the back
floorboard. The fire department responded. The more water they
poured on it the faster and brighter it burned!
V
Brave man!
AS41 composition is
4.3% Al , .35% Mn , 1.0% Si , remainder MAGNESIUM!
Why do you think it is that VW's burn so well?
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| Vernon |
| Posted: Sat Feb 10, 2007 9:44 am |
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Guest
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On Feb 10, 6:33 am, "Potblak" <Inva...@Invalid.net> wrote:
Quote: The classic mode of combustion went something like
:just stop the engine right after a hot run.
:fuel in carby boils due to rising engine heat and spills over onto top of
crankcase (and distributor!)
:Engine is re-started before fuel boils away
:sparks from distributor ignite fuel
:goodbye VW!
The Australian bush is littered with wrecks of VW beetles and combis.
Definitely a cold climate car."
Potblak,
Or a ruptured in-line fuel filter or other fuel hose leak. That's
what was so odd about my Karmann. Being a six volt system with a bad
starter I always left it parked on a hilltop about 1/2 mile from where
I was building a really tall A-frame house. I was sleeping in a
hammock strung from the rafters under the stars. There wasn't even
any decking on 'em never mind a roof.
I was awakened at about 3:00am by familiar voices from the local
volunteer fire department. They yelled up "Vern! Are you up there?"
I yelled down, "Yeah!". They said, "Your Karmann Ghia just burned
up. Any idea what caused the fire?"
I yelled down "No. But you can definitely rule out an insurance
job!" (being uninsured). I always thought that was a pretty clever
comeback coming out of a dead to the world slumber.
When I saw it the next morning there was just ash where the engine had
been.
V |
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| Stupendous Man |
| Posted: Sat Feb 10, 2007 12:51 pm |
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We used to take cracked cases out to the Anza Borrego Desert and put one in
the fire in the evening and go buggying at night. Look for the glow on the
horizon and that's the way to camp.
We also put them in fires at keggers on Mission Bay in San Diego and it was
lots of fun, especially on the occasions when the fire dept. would try to
put them out.
--
Stupendous Man,
Defender of Freedom, Advocate of Liberty |
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| Potblak |
| Posted: Sun Feb 11, 2007 3:51 am |
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"Stupendous Man" <spam@trap.com> wrote in message
news:536bg1F1r7ie5U1@mid.individual.net...
Quote: We used to take cracked cases out to the Anza Borrego Desert and put one
in the fire in the evening and go buggying at night. Look for the glow on
the horizon and that's the way to camp.
We also put them in fires at keggers on Mission Bay in San Diego and it
was lots of fun, especially on the occasions when the fire dept. would try
to put them out.
--
Stupendous Man,
Defender of Freedom, Advocate of Liberty
In the UK I used to have a small racing yacht, and its trailer had alloy
wheels improvised from ex Vulcan Bomber stock.
Sea launching was always exciting! Those wheels used to make the water boil
with Hydrogen.
The only non-powered watercraft with a smoking ban during launching.
 |
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