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Oops. Wrong solder

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art(at)zemon.name
Guest

Posted: Sun Apr 24, 2016 8:06 am Post subject: Oops. Wrong solder

Folks,



I went over to the local electronics supply store yesterday and bought a Weller WES51 and some DB-9 connectors and some solder so that I could make a practice project. The good news is that my practice worked and I ended up with a good cable and I learned a lot. The bad news is that I had a brain fart while in the store and bought a pound of Kester 60/40 solder instead of 63/37. Is this a $38 mistake? Or can I use 63/37 for my plane? I'm inclined to replace the solder in order to reduce the likelihood of cold solder joints.

    -- Art Z.



-- 

http://CheerfulCurmudgeon.com/"If I am not for myself, who is for me? And if I am only for myself, what am I? And if not now, when?" Hillel

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edpav8r(at)yahoo.com
Guest

Posted: Sun Apr 24, 2016 9:04 am Post subject: Oops. Wrong solder

You did fine.  The only thing magic about 63/37 (tin/lead) solder is that it transitions directly from solid to liquid states (at 183°C) without passing through a plastic state -- a so-called eutectic composition.  60/40 solder has a slightly higher melting point (186°C) and passes through a brief plastic state between solid and liquid.  60/40 has fractionally lower tensile strength than 63/37, but for our purposes it makes no difference.  Personally, I buy whichever is cheaper on the day I'm looking.

Eric



On Apr 24, 2016, at 9:05 AM, Art Zemon <art(at)zemon.name (art(at)zemon.name)> wrote:

 	  Quote: 	
		  The bad news is that I had a brain fart while in the store and bought a pound of Kester 60/40 solder instead of 63/37. Is this a $38 mistake? Or can I use 63/37 for my plane? I'm inclined to replace the solder in order to reduce the likelihood of cold solder joints.

    -- Art Z.

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ceengland7(at)gmail.com
Guest

Posted: Sun Apr 24, 2016 10:45 am Post subject: Oops. Wrong solder

On 4/24/2016 11:05 AM, Art Zemon wrote:

     

      	  Quote: 	
		         Folks,         

         

         I went over to the local electronics supply store yesterday           and bought a Weller WES51 and some DB-9 connectors and some           solder so that I could make a practice project. The good news           is that my practice worked and I ended up with a good cable           and I learned a lot. The bad news is that I had a brain fart           while in the store and bought a pound of Kester 60/40 solder           instead of 63/37. Is this a $38 mistake? Or can I use 63/37           for my plane? I'm inclined to replace the solder in order to           reduce the likelihood of cold solder joints.

         

         

             -- Art Z.           

           

           -- 

                        http://CheerfulCurmudgeon.com/                              "If                 I am not for myself, who is for me? And if I am only for                 myself, what am I? And if not now, when?" Hillel

             

           

         

       

     	
     

I was an electronics tech in a couple of previous 'lives', &       never had any problems using 60/40 solder. It's still electronics       grade solder. Just keep the joint stable & let it cool       naturally (don't blow on it). It will still cool quickly so that's       not a big deal.     

Either will work fine, as long as it's rosin core for electronics       work, and not acid core for plumbing. Not likely that you would       have gotten plumbing solder at an electronics supply house.     

BTW, I've enjoyed prowling through your build site. Looking       forward to seeing you fly the BD-4C; I owned an old trigear BD-4       for a while & might have kept it if it had been a C model (not       available back then). 

          

Charlie

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nuckolls.bob(at)aeroelect
Guest

Posted: Sun Apr 24, 2016 11:02 am Post subject: Oops. Wrong solder

At 11:05 AM 4/24/2016, you wrote:

  	  Quote: 	
		  Folks,



 I went over to the local electronics supply store yesterday and bought a Weller WES51 and some DB-9 connectors and some solder so that I could make a practice project. The good news is that my practice worked and I ended up with a good cable and I learned a lot. The bad news is that I had a brain fart while in the store and bought a pound of Kester 60/40 solder instead of 63/37. Is this a $38 mistake? Or can I use 63/37 for my plane? I'm inclined to replace the solder in order to reduce the likelihood of cold solder joints.

 	


   That will be just fine . . . there is very little differnce.

   Just don't let a wet joint wiggle as it crosses the cooling

   fence between molten and solid . . . an this is exceedingly

   EASY to do.



   I wish you'd hollered about needing some solder. Many

   Listers have designs that will install a few components

   that use/favor soldered joints. But few OBAM aviation projects

   will need more than an ounce of solder . . . except if you're

   installing honking terminals on fat wires . . . then you might

   need 2-3 ounces of solder. 



   I've got a lifetime supply (residuals from busier soldering

   days) and I'd be pleased to donate project-sized bits of 

   'the good stuff' to my reader's project.



   In any case, 60/40 is what I used for 25 or so years before

   I had ready access to a more refined product . . . 60/40 is

   okay.



 



 

   Bob . . .

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art(at)zemon.name
Guest

Posted: Sun Apr 24, 2016 11:41 am Post subject: Oops. Wrong solder

Well that's a relief  I found a local electronics store (not many of them left, sadly) and decided to support them rather than buying my stuff online. I sure didn't realize that an ounce or three would have been sufficient, though. Ah well....



    -- Art Z.



On Sun, Apr 24, 2016 at 2:00 PM, Robert L. Nuckolls, III <nuckolls.bob(at)aeroelectric.com (nuckolls.bob(at)aeroelectric.com)> wrote:

 	  Quote: 	
		    At 11:05 AM 4/24/2016, you wrote:

  	  Quote: 	
		  Folks,



 I went over to the local electronics supply store yesterday and bought a Weller WES51 and some DB-9 connectors and some solder so that I could make a practice project. The good news is that my practice worked and I ended up with a good cable and I learned a lot. The bad news is that I had a brain fart while in the store and bought a pound of Kester 60/40 solder instead of 63/37. Is this a $38 mistake? Or can I use 63/37 for my plane? I'm inclined to replace the solder in order to reduce the likelihood of cold solder joints.

 	


   That will be just fine . . . there is very little differnce.

   Just don't let a wet joint wiggle as it crosses the cooling

   fence between molten and solid . . . an this is exceedingly

   EASY to do.



   I wish you'd hollered about needing some solder. Many

   Listers have designs that will install a few components

   that use/favor soldered joints. But few OBAM aviation projects

   will need more than an ounce of solder . . . except if you're

   installing honking terminals on fat wires . . . then you might

   need 2-3 ounces of solder. 



   I've got a lifetime supply (residuals from busier soldering

   days) and I'd be pleased to donate project-sized bits of 

   'the good stuff' to my reader's project.



   In any case, 60/40 is what I used for 25 or so years before

   I had ready access to a more refined product . . . 60/40 is

   okay.



 



 

   Bob . . .  

	




-- 

http://CheerfulCurmudgeon.com/"If I am not for myself, who is for me? And if I am only for myself, what am I? And if not now, when?" Hillel

- The Matronics AeroElectric-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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art(at)zemon.name
Guest

Posted: Sun Apr 24, 2016 11:47 am Post subject: Oops. Wrong solder

On Sun, Apr 24, 2016 at 1:46 PM, Charlie England <ceengland7(at)gmail.com (ceengland7(at)gmail.com)> wrote:

 	  Quote: 	
		                     Either will work fine, as long as it's rosin core for electronics       work, and not acid core for plumbing. Not likely that you would       have gotten plumbing solder at an electronics supply house.

	




Thank you for the encouragement, Charlie.

 

 	  Quote: 	
		  

     

BTW, I've enjoyed prowling through your build site. Looking       forward to seeing you fly the BD-4C; I owned an old trigear BD-4       for a while & might have kept it if it had been a C model (not       available back then). 

	




You and I are both looking forward to seeming me fly my BD-4C 

Cheers,

    -- Art Z.



-- 

http://CheerfulCurmudgeon.com/"If I am not for myself, who is for me? And if I am only for myself, what am I? And if not now, when?" Hillel

- The Matronics AeroElectric-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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