Re: [AFMUG] OT having fun

[Chuck McCown via AF]

Furnace, I got corrected the other day, if you are above 500 degrees (not sure 
if that is C or F) it is a furnace.  

From: Chuck McCown via AF 
Sent: Monday, January 3, 2022 9:33 AM
To: AnimalFarm Microwave Users Group 
Cc: Chuck McCown 
Subject: Re: [AFMUG] OT having fun

Sintering oven for making carbide inserts.  You need to get up to about 1500C 
for this.  

From: Cameron Crum 
Sent: Monday, January 3, 2022 8:58 AM
To: AnimalFarm Microwave Users Group 
Subject: Re: [AFMUG] OT having fun

What is the goal of the project? 


On Sat, Jan 1, 2022 at 9:28 PM Chuck McCown via AF  wrote:

  Pretty sure these consumer grade microwave ovens are robust from mismatch 
issues.  
  They have to be considering all the different loads you can put in the oven.  
An open waveguide is actually a pretty good antenna with a return loss of 
around 10 dB.  But then it is piped into a box that is totally reflective.  In 
my case I aim the field at a layer of silicon carbide to absorb the energy and 
convert it to heat.  


  From: Jan-GAMs 
  Sent: Saturday, January 1, 2022 8:14 PM
  To: af@af.afmug.com 
  Subject: Re: [AFMUG] OT having fun

  Yeah, and it's likely to blow the magnatron from the VSWR mismatch.  It's 
been 50 years since I worked with that stuff and had the fancy government 
tools.  Kind of miss it.


  On 1/1/22 18:50, Chuck McCown via AF wrote:

If you get hit from an open waveguide it feels like flame.  



From: Jan-GAMs 
Sent: Saturday, January 1, 2022 5:03 PM
To: af@af.afmug.com 
Subject: Re: [AFMUG] OT having fun

1250 watts of 5GHz radiation or 2GHz of radiation (whichever spectrum it 
was designed for) is damn dangerous if not shielded.  I knew people who died 
from that.  Someone turned on a radar while the array was being worked on.  He 
died.  You could pull a Daniel Jackson, but Olma won't ascend you.


On 1/1/22 09:04, Chuck McCown via AF wrote:

  Yeah, I have a radiation alarm.  It was going off continually, for a 
moment I thought it was defective.
  Turns out I had a thermocouple wire leaking some RF.  Burnt the piss out 
of my fingers, like picking up a red hot paper clip.  Shut off the magnetron 
and the wire was totally cool to the touch.  Bit of aluminum foil as a choke 
and all was well.  Next step is coupling a second magnetron to this cavity.  


  From: Jan-GAMs 
  Sent: Saturday, January 1, 2022 4:08 AM
  To: af@af.afmug.com 
  Subject: Re: [AFMUG] OT having fun

  the warning about eyes and testes should be noted.  
https://www.fda.gov/radiation-emitting-products/resources-you-radiation-emitting-products/microwave-oven-radiation


  On 12/31/21 16:48, Jaime Solorza wrote:

Pee on it...it works

On Fri, Dec 31, 2021, 1:37 PM Chuck McCown via AF  
wrote:

  Got a pretty bad RF burn from some leakage.  No blister.





  Sent from my iPhone
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Re: [AFMUG] OT having fun

[Chuck McCown via AF]

Sintering oven for making carbide inserts.  You need to get up to about 1500C 
for this.  

From: Cameron Crum 
Sent: Monday, January 3, 2022 8:58 AM
To: AnimalFarm Microwave Users Group 
Subject: Re: [AFMUG] OT having fun

What is the goal of the project? 


On Sat, Jan 1, 2022 at 9:28 PM Chuck McCown via AF  wrote:

  Pretty sure these consumer grade microwave ovens are robust from mismatch 
issues.  
  They have to be considering all the different loads you can put in the oven.  
An open waveguide is actually a pretty good antenna with a return loss of 
around 10 dB.  But then it is piped into a box that is totally reflective.  In 
my case I aim the field at a layer of silicon carbide to absorb the energy and 
convert it to heat.  


  From: Jan-GAMs 
  Sent: Saturday, January 1, 2022 8:14 PM
  To: af@af.afmug.com 
  Subject: Re: [AFMUG] OT having fun

  Yeah, and it's likely to blow the magnatron from the VSWR mismatch.  It's 
been 50 years since I worked with that stuff and had the fancy government 
tools.  Kind of miss it.


  On 1/1/22 18:50, Chuck McCown via AF wrote:

If you get hit from an open waveguide it feels like flame.  



From: Jan-GAMs 
Sent: Saturday, January 1, 2022 5:03 PM
To: af@af.afmug.com 
Subject: Re: [AFMUG] OT having fun

1250 watts of 5GHz radiation or 2GHz of radiation (whichever spectrum it 
was designed for) is damn dangerous if not shielded.  I knew people who died 
from that.  Someone turned on a radar while the array was being worked on.  He 
died.  You could pull a Daniel Jackson, but Olma won't ascend you.


On 1/1/22 09:04, Chuck McCown via AF wrote:

  Yeah, I have a radiation alarm.  It was going off continually, for a 
moment I thought it was defective.
  Turns out I had a thermocouple wire leaking some RF.  Burnt the piss out 
of my fingers, like picking up a red hot paper clip.  Shut off the magnetron 
and the wire was totally cool to the touch.  Bit of aluminum foil as a choke 
and all was well.  Next step is coupling a second magnetron to this cavity.  


  From: Jan-GAMs 
  Sent: Saturday, January 1, 2022 4:08 AM
  To: af@af.afmug.com 
  Subject: Re: [AFMUG] OT having fun

  the warning about eyes and testes should be noted.  
https://www.fda.gov/radiation-emitting-products/resources-you-radiation-emitting-products/microwave-oven-radiation


  On 12/31/21 16:48, Jaime Solorza wrote:

Pee on it...it works

On Fri, Dec 31, 2021, 1:37 PM Chuck McCown via AF  
wrote:

  Got a pretty bad RF burn from some leakage.  No blister.





  Sent from my iPhone
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Re: [AFMUG] OT having fun

[Cameron Crum]

What is the goal of the project?


On Sat, Jan 1, 2022 at 9:28 PM Chuck McCown via AF  wrote:

> Pretty sure these consumer grade microwave ovens are robust from mismatch
> issues.
> They have to be considering all the different loads you can put in the
> oven.  An open waveguide is actually a pretty good antenna with a return
> loss of around 10 dB.  But then it is piped into a box that is totally
> reflective.  In my case I aim the field at a layer of silicon carbide to
> absorb the energy and convert it to heat.
>
> *From:* Jan-GAMs
> *Sent:* Saturday, January 1, 2022 8:14 PM
> *To:* af@af.afmug.com
> *Subject:* Re: [AFMUG] OT having fun
>
>
> Yeah, and it's likely to blow the magnatron from the VSWR mismatch.  It's
> been 50 years since I worked with that stuff and had the fancy government
> tools.  Kind of miss it.
> On 1/1/22 18:50, Chuck McCown via AF wrote:
>
> If you get hit from an open waveguide it feels like flame.
>
>
>
> *From:* Jan-GAMs
> *Sent:* Saturday, January 1, 2022 5:03 PM
> *To:* af@af.afmug.com
> *Subject:* Re: [AFMUG] OT having fun
>
>
> 1250 watts of 5GHz radiation or 2GHz of radiation (whichever spectrum it
> was designed for) is damn dangerous if not shielded.  I knew people who
> died from that.  Someone turned on a radar while the array was being worked
> on.  He died.  You could pull a Daniel Jackson, but Olma won't ascend you.
> On 1/1/22 09:04, Chuck McCown via AF wrote:
>
> Yeah, I have a radiation alarm.  It was going off continually, for a
> moment I thought it was defective.
> Turns out I had a thermocouple wire leaking some RF.  Burnt the piss out
> of my fingers, like picking up a red hot paper clip.  Shut off the
> magnetron and the wire was totally cool to the touch.  Bit of aluminum foil
> as a choke and all was well.  Next step is coupling a second magnetron to
> this cavity.
>
>
> *From:* Jan-GAMs
> *Sent:* Saturday, January 1, 2022 4:08 AM
> *To:* af@af.afmug.com
> *Subject:* Re: [AFMUG] OT having fun
>
>
> the warning about eyes and testes should be noted.
> https://www.fda.gov/radiation-emitting-products/resources-you-radiation-emitting-products/microwave-oven-radiation
> On 12/31/21 16:48, Jaime Solorza wrote:
>
> Pee on it...it works
>
> On Fri, Dec 31, 2021, 1:37 PM Chuck McCown via AF  wrote:
>
>> Got a pretty bad RF burn from some leakage.  No blister.
>>
>>
>>
>> Sent from my iPhone
>> --
>> AF mailing list
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>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com
>>
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Re: [AFMUG] OT having fun

[Chuck McCown via AF]

Pretty sure these consumer grade microwave ovens are robust from mismatch 
issues.  
They have to be considering all the different loads you can put in the oven.  
An open waveguide is actually a pretty good antenna with a return loss of 
around 10 dB.  But then it is piped into a box that is totally reflective.  In 
my case I aim the field at a layer of silicon carbide to absorb the energy and 
convert it to heat.  


From: Jan-GAMs 
Sent: Saturday, January 1, 2022 8:14 PM
To: af@af.afmug.com 
Subject: Re: [AFMUG] OT having fun

Yeah, and it's likely to blow the magnatron from the VSWR mismatch.  It's been 
50 years since I worked with that stuff and had the fancy government tools.  
Kind of miss it.


On 1/1/22 18:50, Chuck McCown via AF wrote:

  If you get hit from an open waveguide it feels like flame.  



  From: Jan-GAMs 
  Sent: Saturday, January 1, 2022 5:03 PM
  To: af@af.afmug.com 
  Subject: Re: [AFMUG] OT having fun

  1250 watts of 5GHz radiation or 2GHz of radiation (whichever spectrum it was 
designed for) is damn dangerous if not shielded.  I knew people who died from 
that.  Someone turned on a radar while the array was being worked on.  He died. 
 You could pull a Daniel Jackson, but Olma won't ascend you.


  On 1/1/22 09:04, Chuck McCown via AF wrote:

Yeah, I have a radiation alarm.  It was going off continually, for a moment 
I thought it was defective.
Turns out I had a thermocouple wire leaking some RF.  Burnt the piss out of 
my fingers, like picking up a red hot paper clip.  Shut off the magnetron and 
the wire was totally cool to the touch.  Bit of aluminum foil as a choke and 
all was well.  Next step is coupling a second magnetron to this cavity.  


From: Jan-GAMs 
Sent: Saturday, January 1, 2022 4:08 AM
To: af@af.afmug.com 
    Subject: Re: [AFMUG] OT having fun

the warning about eyes and testes should be noted.  
https://www.fda.gov/radiation-emitting-products/resources-you-radiation-emitting-products/microwave-oven-radiation


On 12/31/21 16:48, Jaime Solorza wrote:

  Pee on it...it works

  On Fri, Dec 31, 2021, 1:37 PM Chuck McCown via AF  wrote:

Got a pretty bad RF burn from some leakage.  No blister.





Sent from my iPhone
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Re: [AFMUG] OT having fun

[Jan-GAMs]

Yeah, and it's likely to blow the magnatron from the VSWR mismatch.  
It's been 50 years since I worked with that stuff and had the fancy 
government tools.  Kind of miss it.


On 1/1/22 18:50, Chuck McCown via AF wrote:

If you get hit from an open waveguide it feels like flame.
*From:* Jan-GAMs
*Sent:* Saturday, January 1, 2022 5:03 PM
*To:* af@af.afmug.com
*Subject:* Re: [AFMUG] OT having fun

1250 watts of 5GHz radiation or 2GHz of radiation (whichever spectrum 
it was designed for) is damn dangerous if not shielded.  I knew people 
who died from that. Someone turned on a radar while the array was 
being worked on.  He died.  You could pull a Daniel Jackson, but Olma 
won't ascend you.


On 1/1/22 09:04, Chuck McCown via AF wrote:
Yeah, I have a radiation alarm.  It was going off continually, for a 
moment I thought it was defective.
Turns out I had a thermocouple wire leaking some RF.  Burnt the piss 
out of my fingers, like picking up a red hot paper clip.  Shut off 
the magnetron and the wire was totally cool to the touch.  Bit of 
aluminum foil as a choke and all was well.  Next step is coupling a 
second magnetron to this cavity.

*From:* Jan-GAMs
*Sent:* Saturday, January 1, 2022 4:08 AM
*To:* af@af.afmug.com
*Subject:* Re: [AFMUG] OT having fun

the warning about eyes and testes should be noted. 
https://www.fda.gov/radiation-emitting-products/resources-you-radiation-emitting-products/microwave-oven-radiation


On 12/31/21 16:48, Jaime Solorza wrote:

Pee on it...it works
On Fri, Dec 31, 2021, 1:37 PM Chuck McCown via AF  
wrote:


Got a pretty bad RF burn from some leakage.  No blister.



Sent from my iPhone
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Re: [AFMUG] OT having fun

[Bill Prince]

Live by the sword. Die by the sword.

--
bp
part15sbs{at}gmail{dot}com


On Sat, Jan 1, 2022 at 6:51 PM Chuck McCown via AF  wrote:

> If you get hit from an open waveguide it feels like flame.
>
>
>
> *From:* Jan-GAMs
> *Sent:* Saturday, January 1, 2022 5:03 PM
> *To:* af@af.afmug.com
> *Subject:* Re: [AFMUG] OT having fun
>
>
> 1250 watts of 5GHz radiation or 2GHz of radiation (whichever spectrum it
> was designed for) is damn dangerous if not shielded.  I knew people who
> died from that.  Someone turned on a radar while the array was being worked
> on.  He died.  You could pull a Daniel Jackson, but Olma won't ascend you.
> On 1/1/22 09:04, Chuck McCown via AF wrote:
>
> Yeah, I have a radiation alarm.  It was going off continually, for a
> moment I thought it was defective.
> Turns out I had a thermocouple wire leaking some RF.  Burnt the piss out
> of my fingers, like picking up a red hot paper clip.  Shut off the
> magnetron and the wire was totally cool to the touch.  Bit of aluminum foil
> as a choke and all was well.  Next step is coupling a second magnetron to
> this cavity.
>
>
> *From:* Jan-GAMs
> *Sent:* Saturday, January 1, 2022 4:08 AM
> *To:* af@af.afmug.com
> *Subject:* Re: [AFMUG] OT having fun
>
>
> the warning about eyes and testes should be noted.
> https://www.fda.gov/radiation-emitting-products/resources-you-radiation-emitting-products/microwave-oven-radiation
> On 12/31/21 16:48, Jaime Solorza wrote:
>
> Pee on it...it works
>
> On Fri, Dec 31, 2021, 1:37 PM Chuck McCown via AF  wrote:
>
>> Got a pretty bad RF burn from some leakage.  No blister.
>>
>>
>>
>> Sent from my iPhone
>> --
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>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com
>>
>
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Re: [AFMUG] OT having fun

[Chuck McCown via AF]

If you get hit from an open waveguide it feels like flame.  



From: Jan-GAMs 
Sent: Saturday, January 1, 2022 5:03 PM
To: af@af.afmug.com 
Subject: Re: [AFMUG] OT having fun

1250 watts of 5GHz radiation or 2GHz of radiation (whichever spectrum it was 
designed for) is damn dangerous if not shielded.  I knew people who died from 
that.  Someone turned on a radar while the array was being worked on.  He died. 
 You could pull a Daniel Jackson, but Olma won't ascend you.


On 1/1/22 09:04, Chuck McCown via AF wrote:

  Yeah, I have a radiation alarm.  It was going off continually, for a moment I 
thought it was defective.
  Turns out I had a thermocouple wire leaking some RF.  Burnt the piss out of 
my fingers, like picking up a red hot paper clip.  Shut off the magnetron and 
the wire was totally cool to the touch.  Bit of aluminum foil as a choke and 
all was well.  Next step is coupling a second magnetron to this cavity.  


  From: Jan-GAMs 
  Sent: Saturday, January 1, 2022 4:08 AM
  To: af@af.afmug.com 
  Subject: Re: [AFMUG] OT having fun

  the warning about eyes and testes should be noted.  
https://www.fda.gov/radiation-emitting-products/resources-you-radiation-emitting-products/microwave-oven-radiation


  On 12/31/21 16:48, Jaime Solorza wrote:

Pee on it...it works

On Fri, Dec 31, 2021, 1:37 PM Chuck McCown via AF  wrote:

  Got a pretty bad RF burn from some leakage.  No blister.





  Sent from my iPhone
  -- 
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Re: [AFMUG] OT having fun

[Jan-GAMs]

1250 watts of 5GHz radiation or 2GHz of radiation (whichever spectrum it 
was designed for) is damn dangerous if not shielded. I knew people who 
died from that.  Someone turned on a radar while the array was being 
worked on.  He died.  You could pull a Daniel Jackson, but Olma won't 
ascend you.


On 1/1/22 09:04, Chuck McCown via AF wrote:
Yeah, I have a radiation alarm.  It was going off continually, for a 
moment I thought it was defective.
Turns out I had a thermocouple wire leaking some RF. Burnt the piss 
out of my fingers, like picking up a red hot paper clip.  Shut off the 
magnetron and the wire was totally cool to the touch.  Bit of aluminum 
foil as a choke and all was well.  Next step is coupling a second 
magnetron to this cavity.

*From:* Jan-GAMs
*Sent:* Saturday, January 1, 2022 4:08 AM
*To:* af@af.afmug.com
*Subject:* Re: [AFMUG] OT having fun

the warning about eyes and testes should be noted. 
https://www.fda.gov/radiation-emitting-products/resources-you-radiation-emitting-products/microwave-oven-radiation


On 12/31/21 16:48, Jaime Solorza wrote:

Pee on it...it works
On Fri, Dec 31, 2021, 1:37 PM Chuck McCown via AF  
wrote:


Got a pretty bad RF burn from some leakage.  No blister.



Sent from my iPhone
-- 
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Re: [AFMUG] OT having fun

[Chuck McCown via AF]

Yeah, I have a radiation alarm.  It was going off continually, for a moment I 
thought it was defective.
Turns out I had a thermocouple wire leaking some RF.  Burnt the piss out of my 
fingers, like picking up a red hot paper clip.  Shut off the magnetron and the 
wire was totally cool to the touch.  Bit of aluminum foil as a choke and all 
was well.  Next step is coupling a second magnetron to this cavity.  


From: Jan-GAMs 
Sent: Saturday, January 1, 2022 4:08 AM
To: af@af.afmug.com 
Subject: Re: [AFMUG] OT having fun

the warning about eyes and testes should be noted.  
https://www.fda.gov/radiation-emitting-products/resources-you-radiation-emitting-products/microwave-oven-radiation


On 12/31/21 16:48, Jaime Solorza wrote:

  Pee on it...it works

  On Fri, Dec 31, 2021, 1:37 PM Chuck McCown via AF  wrote:

Got a pretty bad RF burn from some leakage.  No blister.





Sent from my iPhone
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Re: [AFMUG] OT having fun

[Bill Prince]

  
  
High tech birth control.


bp

On 1/1/2022 3:08 AM, Jan-GAMs wrote:


  
  the warning about eyes and testes should be noted.  https://www.fda.gov/radiation-emitting-products/resources-you-radiation-emitting-products/microwave-oven-radiation
  
  On 12/31/21 16:48, Jaime Solorza
wrote:
  
  

Pee on it...it works


  On Fri, Dec 31, 2021, 1:37
PM Chuck McCown via AF 
wrote:
  
  

  Got a pretty bad RF burn from some
leakage.  No blister.


  
  
  Sent from my iPhone

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Re: [AFMUG] OT having fun

[Jan-GAMs]

the warning about eyes and testes should be noted. 
https://www.fda.gov/radiation-emitting-products/resources-you-radiation-emitting-products/microwave-oven-radiation


On 12/31/21 16:48, Jaime Solorza wrote:

Pee on it...it works

On Fri, Dec 31, 2021, 1:37 PM Chuck McCown via AF  wrote:

Got a pretty bad RF burn from some leakage. No blister.



Sent from my iPhone
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Re: [AFMUG] OT having fun

[Chuck McCown via AF]

I am using a material that is good at absorbing RF and converting it to 
heat.silicon carbide foam

Sent from my iPhone

> On Nov 22, 2021, at 5:51 PM, Robert  wrote:
> 
>  I think that's how he's generating so much heat..
> 
> On 11/22/21 1:56 PM, dmmoff...@gmail.com wrote:
>> Doesn’t metal in the microwave produce a lot of arcing? 
>>  
>> From: AF  On Behalf Of Chuck McCown via AF
>> Sent: Monday, November 22, 2021 3:51 PM
>> To: af@af.afmug.com
>> Cc: Chuck McCown 
>> Subject: [AFMUG] OT having fun
>>  
>> I melted stainless steel in a consumer grade microwave oven this morning.  
>> The melting temp of stainless was a bench mark temp I am trying to hit.  A 
>> consumer grade infrared thermometer that is supposed to go to 3000 F said it 
>> was 300F.  Can’t use thermocouples due to the high RF field inside.  Still 
>> looking for a way to measure the temp of the heating zone.
>>  
>> This is something I have been working on for a while.  It really works well. 
>>  I have some silicon carbide foam that absorbs microwaves embedded in some 
>> super high temp insulation.  I got it so hot it actually melted a hole in 
>> the foam and made a crater in the fire brick it was setting on.  No evidence 
>> of plasma, just pumping 1250 watts of energy into a very well insulated 
>> item.  I was astounded that it was glowing through the insulation. 
>> 
>> 
> 
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Re: [AFMUG] OT having fun

[Robert]

I think that's how he's generating so much heat..

On 11/22/21 1:56 PM, dmmoff...@gmail.com wrote:


Doesn’t metal in the microwave produce a lot of arcing?

*From:* AF  *On Behalf Of *Chuck McCown via AF
*Sent:* Monday, November 22, 2021 3:51 PM
*To:* af@af.afmug.com
*Cc:* Chuck McCown 
*Subject:* [AFMUG] OT having fun

I melted stainless steel in a consumer grade microwave oven this 
morning.  The melting temp of stainless was a bench mark temp I am 
trying to hit.  A consumer grade infrared thermometer that is supposed 
to go to 3000 F said it was 300F.  Can’t use thermocouples due to the 
high RF field inside.  Still looking for a way to measure the temp of 
the heating zone.


This is something I have been working on for a while.  It really works 
well.  I have some silicon carbide foam that absorbs microwaves 
embedded in some super high temp insulation.  I got it so hot it 
actually melted a hole in the foam and made a crater in the fire brick 
it was setting on.  No evidence of plasma, just pumping 1250 watts of 
energy into a very well insulated item.  I was astounded that it was 
glowing through the insulation.



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Re: [AFMUG] OT having fun

[dmmoffett]

Doesn’t metal in the microwave produce a lot of arcing?  

 

From: AF  On Behalf Of Chuck McCown via AF
Sent: Monday, November 22, 2021 3:51 PM
To: af@af.afmug.com
Cc: Chuck McCown 
Subject: [AFMUG] OT having fun

 

I melted stainless steel in a consumer grade microwave oven this morning.  The 
melting temp of stainless was a bench mark temp I am trying to hit.  A consumer 
grade infrared thermometer that is supposed to go to 3000 F said it was 300F.  
Can’t use thermocouples due to the high RF field inside.  Still looking for a 
way to measure the temp of the heating zone.

 

This is something I have been working on for a while.  It really works well.  I 
have some silicon carbide foam that absorbs microwaves embedded in some super 
high temp insulation.  I got it so hot it actually melted a hole in the foam 
and made a crater in the fire brick it was setting on.  No evidence of plasma, 
just pumping 1250 watts of energy into a very well insulated item.  I was 
astounded that it was glowing through the insulation.  

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Re: [AFMUG] OT having fun

[Nate Burke]

I used to cook frozen pizza in the microwave in college.  The packaging 
specifically said not to, but I figured after 30 minutes anything that 
might have killed me would be dead.  So if you microwave anything for 
long enough, you'll get a result.


On 11/22/2021 3:24 PM, Chuck McCown via AF wrote:

Yes, very happy.  And they said I would need a vacuum furnace...

-Original Message- From: Robert Andrews
Sent: Monday, November 22, 2021 1:58 PM
To: af@af.afmug.com
Subject: Re: [AFMUG] OT having fun

Did you giggle like a mad scientist?

On 11/22/21 12:51 PM, Chuck McCown via AF wrote:
I melted stainless steel in a consumer grade microwave oven this 
morning. The melting temp of stainless was a bench mark temp I am 
trying to hit.  A consumer grade infrared thermometer that is 
supposed to go to 3000 F said it was 300F.  Can’t use thermocouples 
due to the high RF field inside. Still looking for a way to measure 
the temp of the heating zone.
This is something I have been working on for a while.  It really 
works well.  I have some silicon carbide foam that absorbs microwaves 
embedded in some super high temp insulation.  I got it so hot it 
actually melted a hole in the foam and made a crater in the fire 
brick it was setting on. No evidence of plasma, just pumping 1250 
watts of energy into a very well insulated item.  I was astounded 
that it was glowing through the insulation.







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Re: [AFMUG] OT having fun

[Chuck McCown via AF]

Yes, very happy.  And they said I would need a vacuum furnace...

-Original Message- 
From: Robert Andrews

Sent: Monday, November 22, 2021 1:58 PM
To: af@af.afmug.com
Subject: Re: [AFMUG] OT having fun

Did you giggle like a mad scientist?

On 11/22/21 12:51 PM, Chuck McCown via AF wrote:
I melted stainless steel in a consumer grade microwave oven this morning. 
The melting temp of stainless was a bench mark temp I am trying to hit.  A 
consumer grade infrared thermometer that is supposed to go to 3000 F said 
it was 300F.  Can’t use thermocouples due to the high RF field inside. 
Still looking for a way to measure the temp of the heating zone.
This is something I have been working on for a while.  It really works 
well.  I have some silicon carbide foam that absorbs microwaves embedded 
in some super high temp insulation.  I got it so hot it actually melted a 
hole in the foam and made a crater in the fire brick it was setting on. 
No evidence of plasma, just pumping 1250 watts of energy into a very well 
insulated item.  I was astounded that it was glowing through the 
insulation.




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Re: [AFMUG] OT having fun

[Robert Andrews]

Did you giggle like a mad scientist?

On 11/22/21 12:51 PM, Chuck McCown via AF wrote:
I melted stainless steel in a consumer grade microwave oven this 
morning.  The melting temp of stainless was a bench mark temp I am 
trying to hit.  A consumer grade infrared thermometer that is supposed 
to go to 3000 F said it was 300F.  Can’t use thermocouples due to the 
high RF field inside.  Still looking for a way to measure the temp of 
the heating zone.
This is something I have been working on for a while.  It really works 
well.  I have some silicon carbide foam that absorbs microwaves embedded 
in some super high temp insulation.  I got it so hot it actually melted 
a hole in the foam and made a crater in the fire brick it was setting 
on.  No evidence of plasma, just pumping 1250 watts of energy into a 
very well insulated item.  I was astounded that it was glowing through 
the insulation.




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[AFMUG] OT having fun

[Chuck McCown via AF]

I melted stainless steel in a consumer grade microwave oven this morning.  The 
melting temp of stainless was a bench mark temp I am trying to hit.  A consumer 
grade infrared thermometer that is supposed to go to 3000 F said it was 300F.  
Can’t use thermocouples due to the high RF field inside.  Still looking for a 
way to measure the temp of the heating zone.

This is something I have been working on for a while.  It really works well.  I 
have some silicon carbide foam that absorbs microwaves embedded in some super 
high temp insulation.  I got it so hot it actually melted a hole in the foam 
and made a crater in the fire brick it was setting on.  No evidence of plasma, 
just pumping 1250 watts of energy into a very well insulated item.  I was 
astounded that it was glowing through the insulation.  -- 
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[AFMUG] OT having fun

[chuck]

Liquidated the index fund (at least I have a pending order to sell at market).  
Moving it all to TSLA issuming TSLA is still low once the cash settles.  -- 
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