Home Repair (alt.home.repair) For all homeowners and DIYers with many experienced tradesmen. Solve your toughest home fix-it problems.

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
  #1   Report Post  
Posted to alt.home.repair,sci.electronics.repair
external usenet poster
 
Posts: 1,340
Default It pays to save electronics scrap.


It pays to save electronics scrap. I needed a short piece of thin but
not too thin single strand wire and I don't seem to have any except for
a collection of 8 wires soldered into an octal plug from a 1930's (or
40's or 50's?) radio. (the kind of plug that uses a tube socket)

IIRC, I got this 40 years ago and I think I got it from someone else's
scrap, so it's easily 60 years old. The red, blue, and brown wires are
quite pretty but the yellow? wires seem very dirty. I wonder why.

It's actually not single strand but the entire length of the
multi-strand is tinned.

Does that mean they used solder on 100's of thousands of miles of wire
when only a teeny tiny bit ever appeared out of the insulation? Isn't
that a big waste of tin and lead? Do they still do that?



Another interesting factoid: I needed to use for the first time some
liquid rosin flux (in a little bottle from MG Chemicals). I've had it
for 10 years unopened and it has one of those obnoxious caps that you
have to press down before turning. No matter how hard I pressed down,
it eventually ratcheted over what it was supposed to catch on. I tried
over and over, last night. This morning it opened on the second try!
The room temperature is about the same.
  #2   Report Post  
Posted to alt.home.repair
external usenet poster
 
Posts: 14,141
Default It pays to save electronics scrap.

On Sun, 02 May 2021 11:50:28 -0400, micky
wrote:


It pays to save electronics scrap. I needed a short piece of thin but
not too thin single strand wire and I don't seem to have any except for
a collection of 8 wires soldered into an octal plug from a 1930's (or
40's or 50's?) radio. (the kind of plug that uses a tube socket)

IIRC, I got this 40 years ago and I think I got it from someone else's
scrap, so it's easily 60 years old. The red, blue, and brown wires are
quite pretty but the yellow? wires seem very dirty. I wonder why.

It's actually not single strand but the entire length of the
multi-strand is tinned.

Does that mean they used solder on 100's of thousands of miles of wire
when only a teeny tiny bit ever appeared out of the insulation? Isn't
that a big waste of tin and lead? Do they still do that?


What did you want them to do?
Only tin the half inch they thought might be the end of the wire?
The difference in cost is minimal.

The fact is, tinning also provides a modicum of protection for the
whole length of the wire. If you want to start a fight, try to tell
someone on a boat board they don't need tinned wire in their cables.
From a production sense it makes soldering a lot easier. I am not sure
you can even "wave solder" untinned wire.
  #3   Report Post  
Posted to alt.home.repair,sci.electronics.repair
external usenet poster
 
Posts: 40,893
Default It pays to save electronics scrap.



"micky" wrote in message
...

It pays to save electronics scrap. I needed a short piece of thin but
not too thin single strand wire and I don't seem to have any except for
a collection of 8 wires soldered into an octal plug from a 1930's (or
40's or 50's?) radio. (the kind of plug that uses a tube socket)

IIRC, I got this 40 years ago and I think I got it from someone else's
scrap, so it's easily 60 years old. The red, blue, and brown wires are
quite pretty but the yellow? wires seem very dirty. I wonder why.

It's actually not single strand but the entire length of the
multi-strand is tinned.


Tinned anyway, yep, at times. I have some rubber
jacketed extension cords my dad used for an early
electric lawn mower that were done like that.

Isn't that a big waste of tin and lead?


Its very thin on the copper strand itself.

Do they still do that?


Havent noticed any.

Another interesting factoid: I needed to use for the first time some
liquid rosin flux (in a little bottle from MG Chemicals). I've had it
for 10 years unopened and it has one of those obnoxious caps that you
have to press down before turning. No matter how hard I pressed down,
it eventually ratcheted over what it was supposed to catch on. I tried
over and over, last night. This morning it opened on the second try!
The room temperature is about the same.


There is a real knack with some of those things.

  #4   Report Post  
Posted to alt.home.repair,sci.electronics.repair
external usenet poster
 
Posts: 15,560
Default Lonely Obnoxious Cantankerous Auto-contradicting Senile Ozzie Troll Alert!

On Mon, 3 May 2021 03:58:26 +1000, cantankerous trolling geezer Rodent
Speed, the auto-contradicting senile sociopath, blabbered, again:


Tinned anyway, yep, at times. I have some rubber
jacketed extension cords my dad used


Talking about your dad: did he, too, consider you an abnormal sick asshole
like everyone else does?

--
The Natural Philosopher about senile Rodent:
"Rod speed is not a Brexiteer. He is an Australian troll and arsehole."
Message-ID:
  #5   Report Post  
Posted to alt.home.repair,sci.electronics.repair
external usenet poster
 
Posts: 152
Default It pays to save electronics scrap.

In article , NONONOmisc07
@fmguy.com says...
Does that mean they used solder on 100's of thousands of miles of wire
when only a teeny tiny bit ever appeared out of the insulation? Isn't
that a big waste of tin and lead? Do they still do that?


Yes, it is one of the ways that "marine grade" wire is made more
expensive! The idea is that at sea you cannot guarantee that bare copper
wire will be protected from corrosion by the insulation.


  #6   Report Post  
Posted to alt.home.repair
external usenet poster
 
Posts: 4,564
Default It pays to save electronics scrap.

On Sun, 02 May 2021 11:50:28 -0400, micky
wrote:


It pays to save electronics scrap. I needed a short piece of thin but
not too thin single strand wire and I don't seem to have any except for
a collection of 8 wires soldered into an octal plug from a 1930's (or
40's or 50's?) radio. (the kind of plug that uses a tube socket)

IIRC, I got this 40 years ago and I think I got it from someone else's
scrap, so it's easily 60 years old. The red, blue, and brown wires are
quite pretty but the yellow? wires seem very dirty. I wonder why.

It's actually not single strand but the entire length of the
multi-strand is tinned.

Does that mean they used solder on 100's of thousands of miles of wire
when only a teeny tiny bit ever appeared out of the insulation? Isn't
that a big waste of tin and lead? Do they still do that?


Not very comman any more but there is still "fully tinned" multisctand
copper wire - It is used in mrine environments, some aircroft wiring -
and even on things like flourescent lamp ballasts - although many of
those are now single strand copper

Another interesting factoid: I needed to use for the first time some
liquid rosin flux (in a little bottle from MG Chemicals). I've had it
for 10 years unopened and it has one of those obnoxious caps that you
have to press down before turning. No matter how hard I pressed down,
it eventually ratcheted over what it was supposed to catch on. I tried
over and over, last night. This morning it opened on the second try!
The room temperature is about the same.



You got stronger after your nap - - -
  #7   Report Post  
Posted to alt.home.repair,sci.electronics.repair
external usenet poster
 
Posts: 1,910
Default It pays to save electronics scrap.

In sci.electronics.repair micky wrote:

It pays to save electronics scrap. I needed a short piece of thin but
not too thin single strand wire and I don't seem to have any except for
a collection of 8 wires soldered into an octal plug from a 1930's (or
40's or 50's?) radio. (the kind of plug that uses a tube socket)

IIRC, I got this 40 years ago and I think I got it from someone else's
scrap, so it's easily 60 years old. The red, blue, and brown wires are
quite pretty but the yellow? wires seem very dirty. I wonder why.

It's actually not single strand but the entire length of the
multi-strand is tinned.

Does that mean they used solder on 100's of thousands of miles of wire
when only a teeny tiny bit ever appeared out of the insulation? Isn't
that a big waste of tin and lead? Do they still do that?


I've seen this wire- it looked like the standard cloth covered wire in a
old TV or radio set, but was completely solderered, not just tinned. Not
sure what the reason for this was either.

Another interesting factoid: I needed to use for the first time some
liquid rosin flux (in a little bottle from MG Chemicals). I've had it
for 10 years unopened and it has one of those obnoxious caps that you
have to press down before turning. No matter how hard I pressed down,
it eventually ratcheted over what it was supposed to catch on. I tried
over and over, last night. This morning it opened on the second try!
The room temperature is about the same.


How does flux go "bad"? I use the liquid type in what looks like a paint
marker and it still works fine, way past the "use by" date.
  #8   Report Post  
Posted to alt.home.repair,sci.electronics.repair
external usenet poster
 
Posts: 16
Default It pays to save electronics scrap.

On 02/05/2021 20:30, Mike Coon wrote:
In article , NONONOmisc07
@fmguy.com says...
Does that mean they used solder on 100's of thousands of miles of wire
when only a teeny tiny bit ever appeared out of the insulation? Isn't
that a big waste of tin and lead? Do they still do that?


Yes, it is one of the ways that "marine grade" wire is made more
expensive! The idea is that at sea you cannot guarantee that bare copper
wire will be protected from corrosion by the insulation.



some military grade wires are "made more expensive" by being silver
plated - although they might look like they are tinned.

Also, the insulation is often of teflon instead of PVC

AT
  #9   Report Post  
Posted to alt.home.repair,sci.electronics.repair
external usenet poster
 
Posts: 3
Default It pays to save electronics scrap.

On 2021-05-03, Abandoned_Trolley wrote:

some military grade wires are "made more expensive" by being silver
plated - although they might look like they are tinned.

Also, the insulation is often of teflon instead of PVC


Sounds a lot like wire-wrap wire, a lot of them are ETFE or PTFE
coated (it most definitely isn't all Kynar), silver plated. The
plating is for corrosion resistance (particularly in wire wrapped
joints) although there are some theoretical advantages at high
frequencies I would generally consider the wire unsuitable at those
speeds.

--
Andrew Smallshaw

  #10   Report Post  
Posted to alt.home.repair,sci.electronics.repair
external usenet poster
 
Posts: 16
Default It pays to save electronics scrap.

On 03/05/2021 21:32, Andrew Smallshaw wrote:
On 2021-05-03, Abandoned_Trolley wrote:

some military grade wires are "made more expensive" by being silver
plated - although they might look like they are tinned.

Also, the insulation is often of teflon instead of PVC


Sounds a lot like wire-wrap wire, a lot of them are ETFE or PTFE
coated (it most definitely isn't all Kynar), silver plated. The
plating is for corrosion resistance (particularly in wire wrapped
joints) although there are some theoretical advantages at high
frequencies I would generally consider the wire unsuitable at those
speeds.


I was referring to "normal" multi stranded hook up wire - theres a
different set of rules for wire wrapping.

In some wrapping systems the insulation is left on the wire, and pierced
by the shapened corners of the post - similar to IDC technology. I guess
in those cases the trick is to pierce the insulation, but not the plating ?

AT


  #11   Report Post  
Posted to alt.home.repair
external usenet poster
 
Posts: 180
Default It pays to save electronics scrap.

On Thursday, May 6, 2021 at 4:59:51 AM UTC-4, Abandoned_Trolley wrote:
On 03/05/2021 21:32, Andrew Smallshaw wrote:
On 2021-05-03, Abandoned_Trolley wrote:

some military grade wires are "made more expensive" by being silver
plated - although they might look like they are tinned.

Also, the insulation is often of teflon instead of PVC


Sounds a lot like wire-wrap wire, a lot of them are ETFE or PTFE
coated (it most definitely isn't all Kynar), silver plated. The
plating is for corrosion resistance (particularly in wire wrapped
joints) although there are some theoretical advantages at high
frequencies I would generally consider the wire unsuitable at those
speeds.

I was referring to "normal" multi stranded hook up wire - theres a
different set of rules for wire wrapping.

In some wrapping systems the insulation is left on the wire, and pierced
by the shapened corners of the post - similar to IDC technology. I guess
in those cases the trick is to pierce the insulation, but not the plating ?


Saving power packs is a good idea.
Reply
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules

Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
What parts can I save from a scrap injection molder? Ignoramus30385 Metalworking 28 June 7th 14 01:10 PM
When is scrap too small to save? Keith Carlson Woodworking Plans and Photos 13 June 4th 08 09:30 PM
Johnny America is Challenging "The Corporate Bush Whores" to a Presidential Debate - Save Our Souls "The most important recording YOU'LL ever hear." Save Our Souls - Bushite troops asked if they would MURDER Americans for the Phil L UK diy 0 February 13th 08 12:46 AM
buy electronics, sell electronics , auction electronics new, used electronics marketplace rHnI electronics2 Electronics Repair 1 April 2nd 07 10:31 PM
Exclusive right to sell, who pays whom? John Home Ownership 12 April 25th 05 03:19 PM


All times are GMT +1. The time now is 09:23 AM.

Powered by vBulletin® Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Copyright 2004-2024 DIYbanter.
The comments are property of their posters.
 

About Us

"It's about DIY & home improvement"