[DeTomaso] Does anybody know anyone who can repair bent or cracked Magnesium wheels
Ed Mendez
edducati at mac.com
Fri May 15 22:52:20 EDT 2015
Ok thanks
Sent from my iPhone 6 Plus
> On May 15, 2015, at 19:27, Don Thomas <don.thomas.ieee at gmail.com> wrote:
>
> Ed,
>
> Call Steve Strope. I talked to him once about repairing a magnesium wheel, and he knows a person that can weld, and refurbish a mag rim.
>
> Call me if you need his number.
>
> Cheers !
>
> -dt
>
>
>
>> On Fri, May 15, 2015 at 2:00 PM, Jack DeRyke via DeTomaso <detomaso at poca.com> wrote:
>> Yup- all that is true. The welding of bulk mag depends on its extremely
>> high thermal conduction wicking heat from the molten weld puddle to the
>> rest of the piece, and the use of expensive inert gasses over the
>> molten area to suppress ignition. That last is also how casting of mag
>> is done. For laughs, I once published an ad in the Newsletter from the
>> '50s for hot-rod cast-magnesium pistons! The company said they were so
>> light your flathead Ford could rev to the moon. They weren't in
>> business very long....
>> Bulk mag thermally expands so much, my certified welder friend says it
>> looks like the part is trying to crawl away from the TIG-torch. He
>> clamps parts down to a steel weld bench to stop most of this.
>>
>> -----Original Message-----
>> From: Boyd Casey <boyd411 at gmail.com>
>> To: Ed Mendez <edducati at mac.com>
>> Cc: Jack DeRyke <JDeRyke at aol.com>; detomaso <detomaso at poca.com>
>> Sent: Fri, May 15, 2015 8:17 am
>> Subject: Re: [DeTomaso] Does anybody know anyone who can repair bent or
>> cracked Magnesium wheels
>> I worked with magnesium in the lab when I was in college. The problem
>> with trying to weld it is when it gets
>> heated ti high temps it ignites. It is what is used in military night
>> time illumination flares. It burns extremely hat and can't be put out
>> using conventional fire suppression means , It will burn in an
>> atmosphere of Nitrogen,Carbon Dioxide, and under water. It must be
>> covered with sand to deprive it of any atmosphere. It can burn at temps
>> as high as 5610 degrees F. So this is not something that you want to
>> fool around with.
>> Check this sight or j ust google welding and repairing Campagnolo
>> magnesium wheel. Good Luck , Your going to need it!
>> Boyd
>> On Thu, May 14, 2015 at 2:12 AM, Ed Mendez <[1]edducati at mac.com> wrote:
>>
>> Thank you Jack, I'll pass it on.
>> On OR, at 13:16, [1][2]JDeRyke at aol.com wrote:
>> Most shops that advertise the repair of alloy wheels are talking
>> about
>> aluminum and will not touch magnesium. Some -especially in CA-
>> are
>> worried about liability. A couple of the Pantera vendors (Larry
>> Stock's
>> shop is one) have it done by outside specialists. Welding,
>> heat-treating/annealing and maybe X-ray inspection should
>> accompany any
>> such repairs. It goes without saying that a U.S. certified welder
>> should be involved. Lots of people can TIG-weld including me, but
>> not
>> all (again including me) are competent to weld-repair a magnesium
>> road
>> or race wheel. The displayed wheel is from a Mangusta so once its
>> verified to actually be magnesium- some are aluminum- it will
>> likely be
>> worth the high cost of repair due to its rarity. I've seen
>> mistakes
>> made- someone once brought me a cracked magnesium formula car
>> wheel
>> that had been TIG-welded with aluminum, which destroyed any
>> chance of
>> repair. Others are simply un-fixable. Pro crew chiefs often will
>> not
>> touch a repaired wheel.
>> -----Original Message-----
>> From: Ed Mendez <[2][3]edducati at mac.com>
>> To: DeTomaso Forum <[3][4]detomaso at poca.com>
>> Sent: Tue, May 12, 2015 11:25 pm
>> Subject: [DeTomaso] Does anybody know anyone who can repair bent
>> or
>> cracked Magnesium wheels
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>> References
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-------------- next part --------------
Ok thanks
Sent from my iPhone 6 Plus
On May 15, 2015, at 19:27, Don Thomas <[1]don.thomas.ieee at gmail.com>
wrote:
Ed,
Call Steve Strope. I talked to him once about repairing a magnesium
wheel, and he knows a person that can weld, and refurbish a mag rim.
Call me if you need his number.
Cheers !
-dt
On Fri, May 15, 2015 at 2:00 PM, Jack DeRyke via DeTomaso
<[2]detomaso at poca.com> wrote:
Yup- all that is true. The welding of bulk mag depends on its
extremely
high thermal conduction wicking heat from the molten weld puddle
to the
rest of the piece, and the use of expensive inert gasses over the
molten area to suppress ignition. That last is also how casting
of mag
is done. For laughs, I once published an ad in the Newsletter
from the
'50s for hot-rod cast-magnesium pistons! The company said they
were so
light your flathead Ford could rev to the moon. They weren't in
business very long....
Bulk mag thermally expands so much, my certified welder friend
says it
looks like the part is trying to crawl away from the TIG-torch.
He
clamps parts down to a steel weld bench to stop most of this.
-----Original Message-----
From: Boyd Casey <[3]boyd411 at gmail.com>
To: Ed Mendez <[4]edducati at mac.com>
Cc: Jack DeRyke <[5]JDeRyke at aol.com>; detomaso
<[6]detomaso at poca.com>
Sent: Fri, May 15, 2015 8:17 am
Subject: Re: [DeTomaso] Does anybody know anyone who can repair
bent or
cracked Magnesium wheels
I worked with magnesium in the lab when I was in college. The
problem
with trying to weld it is when it gets
heated ti high temps it ignites. It is what is used in military
night
time illumination flares. It burns extremely hat and can't be
put out
using conventional fire suppression means , It will burn in an
atmosphere of Nitrogen,Carbon Dioxide, and under water. It must
be
covered with sand to deprive it of any atmosphere. It can burn at
temps
as high as 5610 degrees F. So this is not something that you want
to
fool around with.
Check this sight or j ust google welding and repairing
Campagnolo
magnesium wheel. Good Luck , Your going to need it!
Boyd
On Thu, May 14, 2015 at 2:12 AM, Ed Mendez
<[1][7]edducati at mac.com> wrote:
Thank you Jack, I'll pass it on.
On OR, at 13:16, [1][2][8]JDeRyke at aol.com wrote:
Most shops that advertise the repair of alloy wheels are
talking
about
aluminum and will not touch magnesium. Some -especially in
CA-
are
worried about liability. A couple of the Pantera vendors
(Larry
Stock's
shop is one) have it done by outside specialists. Welding,
heat-treating/annealing and maybe X-ray inspection should
accompany any
such repairs. It goes without saying that a U.S. certified
welder
should be involved. Lots of people can TIG-weld including
me, but
not
all (again including me) are competent to weld-repair a
magnesium
road
or race wheel. The displayed wheel is from a Mangusta so
once its
verified to actually be magnesium- some are aluminum- it
will
likely be
worth the high cost of repair due to its rarity. I've seen
mistakes
made- someone once brought me a cracked magnesium formula
car
wheel
that had been TIG-welded with aluminum, which destroyed any
chance of
repair. Others are simply un-fixable. Pro crew chiefs often
will
not
touch a repaired wheel.
-----Original Message-----
From: Ed Mendez <[2][3][9]edducati at mac.com>
To: DeTomaso Forum <[3][4][10]detomaso at poca.com>
Sent: Tue, May 12, 2015 11:25 pm
Subject: [DeTomaso] Does anybody know anyone who can repair
bent
or
cracked Magnesium wheels
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