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Old April 21st 04, 02:38 AM
dave d
 
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Default soldering with a lighter

Many of you probably figured this out already, but it was a revelation to
me. I recently had to do a quick field repair out of my car. I had a
voltage inverter and a small iron, but it didn't do very well. That iron
has always been wimpy, and between possibly low voltage and cold ambient
temperature it didn't work out. I then thought about how much my new
Scripto wind resistant long-necked lighter (the kind you use to light a
grill) looked like a small blow torch. It really puts out a good strong,
tight flame. It wasn't as precise as I would have liked, but it was plenty
hot and got the job done with only a few charred edges on the connector that
I was repairing. I tinned the free wire away from everything else, left a
small mouton blob hanging, quickly got it close to the multi-pin connector
where it had to go, and hit the connector very quickly with the flame. It
makes me wonder if a decent-quality little torch wouldn't be good for more
soldering jobs, especially on thick parts.


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Old April 21st 04, 03:50 AM
Yuri Blanarovich
 
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Default

It
makes me wonder if a decent-quality little torch wouldn't be good for more
soldering jobs, especially on thick parts.


They sell pencil point soldering torches, various configurations.

Yuri
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Old April 21st 04, 03:50 AM
Yuri Blanarovich
 
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Default

It
makes me wonder if a decent-quality little torch wouldn't be good for more
soldering jobs, especially on thick parts.


They sell pencil point soldering torches, various configurations.

Yuri
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Old April 21st 04, 07:31 AM
OK1SIP
 
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Default

I remember I have read about technology for soldering wires: Remove
the insulation and twist them together. Wrap the twisted wires with
thin solder (i.e. "wire" containing the alloy and flux). Pack all this
into aluminum foil tightly. Heat with a gas lighter for several
seconds. The aluminum foil helps to distribute heat, prevents the
solder alloy from dripping, the copper from oxidation and the flux and
the wire insulation from burning. It can be removed after the
connection cools or it may be left where it is.

BR from Ivan OK1SIP
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Old April 21st 04, 07:31 AM
OK1SIP
 
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Default

I remember I have read about technology for soldering wires: Remove
the insulation and twist them together. Wrap the twisted wires with
thin solder (i.e. "wire" containing the alloy and flux). Pack all this
into aluminum foil tightly. Heat with a gas lighter for several
seconds. The aluminum foil helps to distribute heat, prevents the
solder alloy from dripping, the copper from oxidation and the flux and
the wire insulation from burning. It can be removed after the
connection cools or it may be left where it is.

BR from Ivan OK1SIP


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Old April 21st 04, 07:57 AM
Ian White, G3SEK
 
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Default

dave d wrote:
Many of you probably figured this out already, but it was a revelation to
me. I recently had to do a quick field repair out of my car. I had a
voltage inverter and a small iron, but it didn't do very well. That iron
has always been wimpy, and between possibly low voltage and cold ambient
temperature it didn't work out. I then thought about how much my new
Scripto wind resistant long-necked lighter (the kind you use to light a
grill) looked like a small blow torch. It really puts out a good strong,
tight flame. It wasn't as precise as I would have liked, but it was plenty
hot and got the job done with only a few charred edges on the connector that
I was repairing. I tinned the free wire away from everything else, left a
small mouton blob hanging, quickly got it close to the multi-pin connector
where it had to go, and hit the connector very quickly with the flame. It
makes me wonder if a decent-quality little torch wouldn't be good for more
soldering jobs, especially on thick parts.


If you're out on the road, then whatever works is good.

Back home, a better use for a flame is as background heat for the
regular small soldering iron. The background heat provides most of the
temperature increase, but not enough to melt any solder. Then the small
iron *can* melt the solder, exactly where you want it.

This technique lets you do fine-detail soldering, even on large lumps of
metal.

Other background heat sources include an electric hot-air gun, a gas
torch (at a distance, never close-up) or sometimes the cooker hob.

This is definitely my preferred method for soldering PL-259s, even
outdoors in the cold: a quick blast from the hot-air gun onto the plug
body, and then the regular workbench iron works fine.

(Yes, I *do* have a traditional monster soldering iron, I *have* used it
and of course it *does* work. But not as well. This way works so much
better, I've forgotten where the monster iron is...)


--
73 from Ian G3SEK 'In Practice' columnist for RadCom (RSGB)

http://www.ifwtech.co.uk/g3sek
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Old April 21st 04, 07:57 AM
Ian White, G3SEK
 
Posts: n/a
Default

dave d wrote:
Many of you probably figured this out already, but it was a revelation to
me. I recently had to do a quick field repair out of my car. I had a
voltage inverter and a small iron, but it didn't do very well. That iron
has always been wimpy, and between possibly low voltage and cold ambient
temperature it didn't work out. I then thought about how much my new
Scripto wind resistant long-necked lighter (the kind you use to light a
grill) looked like a small blow torch. It really puts out a good strong,
tight flame. It wasn't as precise as I would have liked, but it was plenty
hot and got the job done with only a few charred edges on the connector that
I was repairing. I tinned the free wire away from everything else, left a
small mouton blob hanging, quickly got it close to the multi-pin connector
where it had to go, and hit the connector very quickly with the flame. It
makes me wonder if a decent-quality little torch wouldn't be good for more
soldering jobs, especially on thick parts.


If you're out on the road, then whatever works is good.

Back home, a better use for a flame is as background heat for the
regular small soldering iron. The background heat provides most of the
temperature increase, but not enough to melt any solder. Then the small
iron *can* melt the solder, exactly where you want it.

This technique lets you do fine-detail soldering, even on large lumps of
metal.

Other background heat sources include an electric hot-air gun, a gas
torch (at a distance, never close-up) or sometimes the cooker hob.

This is definitely my preferred method for soldering PL-259s, even
outdoors in the cold: a quick blast from the hot-air gun onto the plug
body, and then the regular workbench iron works fine.

(Yes, I *do* have a traditional monster soldering iron, I *have* used it
and of course it *does* work. But not as well. This way works so much
better, I've forgotten where the monster iron is...)


--
73 from Ian G3SEK 'In Practice' columnist for RadCom (RSGB)

http://www.ifwtech.co.uk/g3sek
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Old April 27th 04, 10:21 AM
Highland Ham
 
Posts: n/a
Default

[snip]
It really puts out a good strong,
tight flame. It wasn't as precise as I would have liked, but it was

plenty
hot and got the job done with only a few charred edges on the connector

that
I was repairing. I tinned the free wire away from everything else, left a
small mouton blob hanging, quickly got it close to the multi-pin connector
where it had to go, and hit the connector very quickly with the flame. It
makes me wonder if a decent-quality little torch wouldn't be good for more
soldering jobs, especially on thick parts.

==========================================
For many years I have used and still use a micro-torch with a well
controlable 'pointy' flame.
Last night I fitted a BNC plug and soldered the centre pin with the 'pointy'
flame' ,which I find easier than with the bit of a normal soldering iron.
Also desoldering is sometimes quicker with the micro-torch than with a
normal soldering iron, because of the instant high level of 'spot' energy.

For info of UK based readers : I use the Flame Master micro-torch available
from Maplin.

Frank GM0CSZ / KN6WH



  #9   Report Post  
Old April 27th 04, 10:21 AM
Highland Ham
 
Posts: n/a
Default

[snip]
It really puts out a good strong,
tight flame. It wasn't as precise as I would have liked, but it was

plenty
hot and got the job done with only a few charred edges on the connector

that
I was repairing. I tinned the free wire away from everything else, left a
small mouton blob hanging, quickly got it close to the multi-pin connector
where it had to go, and hit the connector very quickly with the flame. It
makes me wonder if a decent-quality little torch wouldn't be good for more
soldering jobs, especially on thick parts.

==========================================
For many years I have used and still use a micro-torch with a well
controlable 'pointy' flame.
Last night I fitted a BNC plug and soldered the centre pin with the 'pointy'
flame' ,which I find easier than with the bit of a normal soldering iron.
Also desoldering is sometimes quicker with the micro-torch than with a
normal soldering iron, because of the instant high level of 'spot' energy.

For info of UK based readers : I use the Flame Master micro-torch available
from Maplin.

Frank GM0CSZ / KN6WH



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