*EXPERT LEVEL* Solder Splice Tutorial TTC Avionics

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[@stevenstaubach1061]

I appreciate the value of these videos as a technician, and felt like I needed to add something to contribute to this: When stripping larger diameter wiring sleeves (like coax) and/or longer lengths of sleeves (such as anything above 1 in/2.5 cm) wiring with smaller/weaker diameter wire such as 22ga aluminum wires such as those found in electrified door hinges; It is important that you strip the cable multiple times at 1 in/2.5 cm until you achieve your desired strip length. The stress of pulling the sleeves beyond that can break the wiring or stress/stretch the material, allowing for faster oxidation and a shorter lifespan of the wire.

[@familyplans3788]

this is just amazing stuff , i love the attention to detail and i am baffled by the comments of people who have no idea about soldering !!

[@seitengewehr98]

Wow, look at all of these avionics wiring experts here. OK, so this isn't soldering for DIYers who are just learning what a conductor is: This is for the repair of AIRPLANE WIRING. You know, those things that kill hundreds of people if they fall out of the sky?

[@discofishing]

Man, I wish I got this kind of training back when I was an aircraft electrician in the Army. Apaches are flying wire harnesses and took tons of battle damage in Iraq and Stan. Army training was the worst. Thanks for sharing this.

[@ChuckMaureen]

Back in the day, we referred to that type of splice as a "short tie", a variation of the Western Union splice (used heavily in telegraph / telephony wiring back then). It is a mechanically strong splice. Avionics soldering requirements include cleaning at each step with the goal of removing contaminants that could infiltrate the connection. Contaminants could lead to eventual destruction of the connection.

[@aaaaaa-lt2tl]

Beautiful, just what i wanted - a professional, not some internet yahoo telling me what to do. Thanks!

[@jaberwocky6669]

People of the Internet: this is next level soldering meant for space shuttles and aircraft. Do you need to do this if you're soldering the crappy xPlode subwoofer that you currently have hand twisted and duct taped in the back of your Honda Civic? No.

[@joshdenham8404]

jaberwocky6669 Hell ya you do! Its done this way because engineers figured out its the best way to do it. Why not do it the best way?

[@isaackarjala7916]

Josh Denham this splice is actually designed to carry mechanical tension, in audio you're probably not worried about your wires carrying mechanical tension but rather about how faithfully they carry a signal. Which might not be this. Before recycling an engineered solution make sure the problem it's a solution to matches yours.

[@dreece2000]

Yes and no. You need to know the information yes. No I don’t think you would need to put a xplode subwoofer in a civic.

[@TheRyanAkers2]

"Hey where should I film this? "I dunno like ten feet away."

[@cinmay05]

Thanks :D Love your soldering videos :D

[@johnmichaelrichards]

Great video showing the technique. Love the Panavise workstation setup

[@DemonKingOFFICIAL]

What is the thing that’s he’s trying to avoid by wiping oils from his finger from the place he’s going to solder?

[@dberry99]

We used alcohol later on, but most of my cleaning was done with trifuoroethane which works well, but is nasty stuff.

[@rlamb51]

I'm always looking for ways to improve/expand my knowledge. The comments section is interesting on this one.

[@nived3211]

It's really nice when the wire your working on isnt installed in a confined space.

[@lazartomic6674]

Give that man a cookie!

[@johnyoung1128]

I would be surprised to find such a splice on a large transport rated aircraft. In my experience on Boeing 767 and 747 aircraft Raychem splices are used most often. For those not familiar with that type of splice it consists of a metal tube with a notch cut in the centre into which the stripped wire ends are inserted until the ends are visible in the notch and then crimped with the appropriate crimpers, the splice is then covered with a self sealing heat shrink tube.

[@iknowsstuff]

ok so this is soldering for folks with ocd

[@paulkazjack]

It does seem strange to tin the wire before splicing together,strand breakage will occur as the strands lose their flexibility to move freely whilst being twisted.

[@rossbonnes698]

For the life of me I can't find the AC 43.13 reference for the "western union" or "solder splice"

[@SunilAruldas]

One and half inches? You might have strained the wire itself! Do half inch thrice, easy

[@paulkazjack]

Very good.thanks

[@bradlubbers9892]

OMG, it is not that hard and drawn out to solder wire. Way overkill to take 7 1/2 minutes to solder two wire together. The constant alcohol cleaning is laughable, especially cleaning the solder itself before using it. Agree that if you are twisting wires, do not tin first. Also he forgot to say put the heat shrink on before soldering since usually the wire ends will not be accessible.

[@PurpleReignUWdawgs]

Brad Lubbers I hope to god you don't work on equipment that could kill mass amounts of people if it fails.

[@dosx]

I feel you. There's got to be a better way to speed things up. And yes. Putting on the heat shrink before is a must. I've learned that the hard way.

[@antigen4]

this is AVIONIC level soldering - this is not dicking around

[@JordyValentine]

I thought you were supposed to pull the splice together after you wrap them

[@antigen4]

it's already pretty locked down - if you did it properly in the first place I'm not certain you CAN - not without fatiguing the copper

[@rtoebak76]

You lost me..zzzzzzzzz