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Replacing Bullet Connectors In Loom


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#16 Ethel

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Posted 15 February 2016 - 08:39 PM

The factory used crimps for a reason. Solder is more prone to fatigue

#17 ChopperHarris

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Posted 16 February 2016 - 12:32 AM

The factory used crimps for a reason. Solder is more prone to fatigue


True about the fatigue, but if you use heatshrink that negates the problem. I tin the wire, crimp the front section and then solder it. As it cools, I crimp the rear section on the insulation, followed up by sliding the heat shrink into place and heating. This was how we were taught in the REME workshops. If it works on vehicles as abused as Army kit.........

#18 Itsaminithing

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Posted 16 February 2016 - 01:19 AM

 


True about the fatigue, but if you use heatshrink that negates the problem. I tin the wire, crimp the front section and then solder it. As it cools, I crimp the rear section on the insulation, followed up by sliding the heat shrink into place and heating. This was how we were taught in the REME workshops. If it works on vehicles as abused as Army kit.........

 

MIL Spec always demanded adhesive heatshrink on the jobs i used to do (that or according to what i was building -glue.... the MOD were always keen on glue, lots of glue).

You also forgot to mention strain reducing service loops & concentric twisting.



#19 ChopperHarris

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Posted 16 February 2016 - 01:34 AM

 

 


True about the fatigue, but if you use heatshrink that negates the problem. I tin the wire, crimp the front section and then solder it. As it cools, I crimp the rear section on the insulation, followed up by sliding the heat shrink into place and heating. This was how we were taught in the REME workshops. If it works on vehicles as abused as Army kit.........

 

MIL Spec always demanded adhesive heatshrink on the jobs i used to do (that or according to what i was building -glue.... the MOD were always keen on glue, lots of glue).

You also forgot to mention strain reducing service loops & concentric twisting.

 

Sounds like you were on the development side? Im familiar with strain reducing service loops but whats concentric twisting? I guess its axial? Although kit came in with lots of various glues, we were not equipped to use it in the field so its use was discouraged at base.



#20 Itsaminithing

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Posted 16 February 2016 - 12:36 PM

You didn't use the glue!!! They LOVED glue on their electronic modular systems, that & enough cable ties to garrote a slice of lemmings! (Yup, it's a 'slice'- i looked it up)

Let's face it i doubt the guys in the field had access to an oscilloscope if something was NFU (not an acronym the upper echelons approved of ;-)) so you whip it out & replace the complete module.

Anyway this is all a bit off-topic -yes, unsoldered crimped terminals is the cost effective automotive standard.... but crimped/soldered/adhesive lined heat-shrink is far better for most applications.


Edited by Itsaminithing, 16 February 2016 - 12:38 PM.


#21 ChopperHarris

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Posted 16 February 2016 - 01:11 PM

mmm a slice of lemming in a G&T

#22 Itsaminithing

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Posted 16 February 2016 - 07:14 PM

I think a 'slice' of Lemmings is a bit like a 'flange' of baboons (God bless Gerald the gorilla) .

I wonder what the collective noun is for people who spend all their time & money fixing/restoring /resurrecting old minis?



#23 ChopperHarris

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Posted 16 February 2016 - 08:42 PM

a "buffoon"




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