Daily history for 6/11/12 - Torch
Started by
Lone Wolf
, Jun 11 2012 08:25 AM
8 replies to this topic
#1
Lone Wolf
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Posted 11 June 2012 - 08:25 AM
Really cool item here in my opinion. I guess only the Big Guns had one of these. Look at those NOS cartridges made by Kidde. Also showing the ill fated Solder paint. Don't know if this idea ever took off. Enjoy
Joe Lupo
#2
TSR
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Posted 11 June 2012 - 12:35 PM
Solder paint was used to build every single Pactra and Competition brands chassis. 
I had one of these torches, but the bottles leaked all the time so it was a case of "use'em now or lose'em"!
I had one of these torches, but the bottles leaked all the time so it was a case of "use'em now or lose'em"!
Philippe de Lespinay
#3
Pete L.
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Posted 11 June 2012 - 02:49 PM
Guys,
Could anyone shed some light on the solder paint , as I'm unfamiliar with product and it's use ?
Thanks,
Pete L.
Could anyone shed some light on the solder paint , as I'm unfamiliar with product and it's use ?
Thanks,
Pete L.
Peter J. Linszky
6/30/54-6/27/22
Requiescat in Pace
6/30/54-6/27/22
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#4
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Posted 11 June 2012 - 03:58 PM
Pete,
It was a paste made of soldering flux mixed with powdered 60/40 solder. In commercial uses, a paint brush was used to paint it on brass and steel parts that were held on a fixture, then heated through a oven in the shape of a tunnel. The heated paste melted, the flux cleaning the metal bits allowing the solder to bite. The assembled chassis emerged from the other side of the "tunnel", cooled to normal temperature and was then cleaned by dipping the parts in a special acidic solvent.
On individual uses, the heating was achieved with a torch or an iron.
It was a paste made of soldering flux mixed with powdered 60/40 solder. In commercial uses, a paint brush was used to paint it on brass and steel parts that were held on a fixture, then heated through a oven in the shape of a tunnel. The heated paste melted, the flux cleaning the metal bits allowing the solder to bite. The assembled chassis emerged from the other side of the "tunnel", cooled to normal temperature and was then cleaned by dipping the parts in a special acidic solvent.
On individual uses, the heating was achieved with a torch or an iron.
Philippe de Lespinay
#5
Pete L.
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Posted 11 June 2012 - 07:28 PM
Philippe,
Thanks for the education...interesting concept.
Thanks for the education...interesting concept.
Peter J. Linszky
6/30/54-6/27/22
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6/30/54-6/27/22
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#6
slotbaker
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Posted 11 June 2012 - 08:33 PM
Haven't used solder paint for a long while, but it is still available in various brands/forms.
You can also get silver solder paste, with granules of silver solder in the flux paste for easy application.
You can also get silver solder paste, with granules of silver solder in the flux paste for easy application.
Steve King
#7
Pete L.
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Posted 12 June 2012 - 08:15 AM
Fellas,
Sounds like it could be used on some interesting applications...thanks again !
Sounds like it could be used on some interesting applications...thanks again !
Peter J. Linszky
6/30/54-6/27/22
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6/30/54-6/27/22
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#8
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Posted 12 June 2012 - 10:56 AM
Pete,
The problem is that the solder itself in those pots is junk and the joints would not be very strong... example: the Cobra and Phaze III chassis that used that process and that fall apart right inside their bags!
You really need acid to clean the joints as standard non-corrosive flux is simply not efficient enough, and that's not possible to use acid in a paste because the mix would eventually eat the solder in time!
The problem is that the solder itself in those pots is junk and the joints would not be very strong... example: the Cobra and Phaze III chassis that used that process and that fall apart right inside their bags!
You really need acid to clean the joints as standard non-corrosive flux is simply not efficient enough, and that's not possible to use acid in a paste because the mix would eventually eat the solder in time!
Philippe de Lespinay
#9
tjallen
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Posted 17 May 2018 - 10:30 AM
On the back of my Kemtron 1818 Kit is an ad for solder paint.
I was just going to ask about this stuff!
Jimmy Allen
