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solder splices

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bobnoffs

Joined: 04 Jul 2012
Posts: 132
Location: northern wi.

Posted: Mon Sep 26, 2016 4:23 am Post subject: solder splices

hi all,



Â i know solder connections are generally frowned on, especially in engine compartment but my take on a solder splice in the middle of a 6'' run with the wire bundled with 6 others is that it is totally satisfactory. am i wrong that solder is ok if you pick your application sites?



Â bob noffs

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rnjcurtis(at)charter.net
Guest

Posted: Mon Sep 26, 2016 7:20 am Post subject: solder splices

i know solder connections are generally frowned on, especially in engine compartment but my take on a solder splice in the middle of a 6'' run with the wire bundled with 6 others is that it is totally satisfactory. am i wrong that solder is ok if you pick your application sites?

 

I was never aware that solder connections were frowned upon!Â  In fact my belief is that a well executed solder connection, with good mechanical connection, good solder flow, and a double insulation with heat shrink, is in fact more reliable than any other connection, over the long term.Â  Just my humble opinion!

 

Roger

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bobnoffs

Joined: 04 Jul 2012
Posts: 132
Location: northern wi.

Posted: Tue Sep 27, 2016 4:13 am Post subject: solder splices

i agree that the joint if undisturbed can't be beat. i was questioning if movement would become a factor in the condition i described.



Â bob noffs

On Mon, Sep 26, 2016 at 10:17 AM, Roger <rnjcurtis(at)charter.net (rnjcurtis(at)charter.net)> wrote:

 	  Quote: 	
		  

Â 

Â 

Â i know solder connections are generally frowned on, especially in engine compartment but my take on a solder splice in the middle of a 6'' run with the wire bundled with 6 others is that it is totally satisfactory. am i wrong that solder is ok if you pick your application sites?

Â 

I was never aware that solder connections were frowned upon!Â  In fact my belief is that a well executed solder connection, with good mechanical connection, good solder flow, and a double insulation with heat shrink, is in fact more reliable than any other connection, over the long term.Â  Just my humble opinion!

Â 

Roger

Â

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nuckolls.bob(at)aeroelect
Guest

Posted: Tue Sep 27, 2016 4:40 am Post subject: solder splices

At 07:07 AM 9/26/2016, you wrote:

  	  Quote: 	
		  hi all,

 Â i know solder connections are generally frowned on, especially in engine compartment but my take on a solder splice in the middle of a 6'' run with the wire bundled with 6 others is that it is totally satisfactory. am i wrong that solder is ok if you pick your application sites?

 Â bob noffs 	


   I don't know why it wouldn't be just fine ANYWHERE

   the materials, talents and tools are likely to

   produce a serviceable joining . . . irrespective

   of location.



   Soldering was 'frowned upon' on the 1960's

   production lines at Cessna because soldering irons

   burned people and melted carpets. At Boeing, I had

   to have a fireman come out and give me a permit

   to plug in an iron . . . just to make sure I wasn't

   working the task close to flammables.  It's process

   sensitive (meaning you gotta have the moves).

   But an artfully crafted solder joint is no

   more/less risky to meeting design goals than

   a crimped connection.



 

 

   Bob . . .

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bobnoffs

Joined: 04 Jul 2012
Posts: 132
Location: northern wi.

Posted: Tue Sep 27, 2016 3:58 pm Post subject: solder splices

ok, away we go. i like my soldered joints more than any crimped joint cuz i made them.



Â bob

On Tue, Sep 27, 2016 at 7:36 AM, Robert L. Nuckolls, III <nuckolls.bob(at)aeroelectric.com (nuckolls.bob(at)aeroelectric.com)> wrote:

 	  Quote: 	
		    At 07:07 AM 9/26/2016, you wrote:

  	  Quote: 	
		  hi all,

 Ã‚ i know solder connections are generally frowned on, especially in engine compartment but my take on a solder splice in the middle of a 6'' run with the wire bundled with 6 others is that it is totally satisfactory. am i wrong that solder is ok if you pick your application sites?

 Ã‚ bob noffs 	


 Â  I don't know why it wouldn't be just fine ANYWHERE

 Â  the materials, talents and tools are likely to

 Â  produce a serviceable joining . . . irrespective

 Â  of location.



 Â  Soldering was 'frowned upon' on the 1960's

 Â  production lines at Cessna because soldering irons

 Â  burned people and melted carpets. At Boeing, I had

 Â  to have a fireman come out and give me a permit

 Â  to plug in an iron . . . just to make sure I wasn't

 Â  working the task close to flammables.Â  It's process

 Â  sensitive (meaning you gotta have the moves).

 Â  But an artfully crafted solder joint is no

 Â  more/less risky to meeting design goals than

 Â  a crimped connection.



 

 

 Â  Bob . . .

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nuckolls.bob(at)aeroelect
Guest

Posted: Wed Sep 28, 2016 8:14 am Post subject: solder splices

At 06:55 PM 9/27/2016, you wrote:

  	  Quote: 	
		  ok, away we go. i like my soldered joints more than any crimped joint cuz i made them. 	


   Understand.



   See  http://tinyurl.com/dgg2nb if you haven't already.



 

 

   Bob . . .

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rv8iator(at)gmail.com
Guest

Posted: Wed Sep 28, 2016 10:12 am Post subject: solder splices

The stress riser that occurs at the interface between wire strands and solder filled wire strands if not mechanically supported is a candidate for fatigue failure due to vibration induced flexing.

This is true of field splices and soldiered pin/wire connection.

Good mechanical support/strain relief is imperative to prevent fatigue failure of the connection/soldier joint.

A good crimped connection does see a stress riser at the crimp/wire interface... BUT the transition is not as sharp as with soldier wicked into wire strands.Â Â Crimped pins the wireÂ are generally supported upstream from the crimp thus creating a mechanical support for the connection.

Chris Stone

Â 

On Tue, Sep 27, 2016 at 5:36 AM, Robert L. Nuckolls, III <nuckolls.bob(at)aeroelectric.com (nuckolls.bob(at)aeroelectric.com)> wrote:

 	  Quote: 	
		    At 07:07 AM 9/26/2016, you wrote:

  	  Quote: 	
		  hi all,

 Ã‚ i know solder connections are generally frowned on, especially in engine compartment but my take on a solder splice in the middle of a 6'' run with the wire bundled with 6 others is that it is totally satisfactory. am i wrong that solder is ok if you pick your application sites?

 Ã‚ bob noffs 	


 Â  I don't know why it wouldn't be just fine ANYWHERE

 Â  the materials, talents and tools are likely to

 Â  produce a serviceable joining . . . irrespective

 Â  of location.



 Â  Soldering was 'frowned upon' on the 1960's

 Â  production lines at Cessna because soldering irons

 Â  burned people and melted carpets. At Boeing, I had

 Â  to have a fireman come out and give me a permit

 Â  to plug in an iron . . . just to make sure I wasn't

 Â  working the task close to flammables.Â  It's process

 Â  sensitive (meaning you gotta have the moves).

 Â  But an artfully crafted solder joint is no

 Â  more/less risky to meeting design goals than

 Â  a crimped connection.



 

 

 Â  Bob . . .

- 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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