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HomeAircraftHelicopterHelicopter Main Discussion › What Solder?
05-26-2015 10:54 PM  3 years agoPost 1
kineticheli

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Turlock, CA

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I have been using the silver solder from Radio Shack for years. Since Radios Shacks are closed now at least around here, I wanted to see what people are using for solder.
Thanks - Jeff.

Citizen #130

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05-26-2015 11:00 PM  3 years agoPost 2
Ace Dude

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USA

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Kester #44 63/37.

  

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05-26-2015 11:23 PM  3 years agoPost 3
tomtek

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ga

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I googled it and can find it nowhere. They are saying to use 63/40.

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05-26-2015 11:25 PM  3 years agoPost 4
Heli 770

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USA.

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05-26-2015 11:35 PM  3 years agoPost 5
Ace Dude

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USA

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I ordered mine from HMC Electronics last year. HMC has been bought out by Hisco and it appears they no longer carry Kester wire solder.

However, a quick Google search turned this up. Note it's available in several different diameters so you'll need to choose accordingly.

0.031" Would be good for bullet connectors.

http://www.amazon.com/Kester-Rosin-...l/dp/B00068IJX6

http://www.amazon.com/Kester-Rosin-...l/dp/B00068IJWC

  

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05-26-2015 11:42 PM  3 years agoPost 6
Ace Dude

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USA

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Per the link you provided:

"COMMENTS:
NOT for use with electronic applications"

Perhaps it contains an acid flux which should never be used when soldering electronics.

  

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05-27-2015 12:14 AM  3 years agoPost 7
Heli 770

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USA.

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Ace Dude
Note taking, but the stuff I have has no rosin or acid core and I use it with liquid electrical flux.

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05-27-2015 12:17 AM  3 years agoPost 8
RM3

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Killeen, Texas - USA

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the ubiquitous 7447 BCD to 7 segment decoder IC... surprised you didnt show a 555
you got any 7490s to got with that?

showing a preference will only get you into trouble, 90% of everything is crap...

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05-27-2015 12:39 AM  3 years agoPost 9
EEngineer

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TX

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Or a 74c90...less power consumption....

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05-27-2015 01:34 AM  3 years agoPost 10
dkshema

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Cedar Rapids, IA

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StaBrite itself has no rosin or acid core. It is a solid wire type solder. It can be purchased alone, or with a bottle of flux (flux not designed for electrical work). But used with an acceptable electronics flux, StaBrite is good stuff.

http://www.harrisproductsgroup.com/...stay-brite.aspx

The bottle of flux is Zinc Chloride, not for electronics. But the solder itself, good.

-----

Or --

http://www.mouser.com/Tools-Supplie...+solder&FS=True

Mouser has a large selection of lead-free solder, typically Sn/Ag/Cu -- Tin, Silver, Copper alloys. Various diameters, various sized spools, and with electronics grade fluxes.

Mouser is cool, they accept small orders, credit cards, and ship fast.

-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz

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05-27-2015 02:26 AM  3 years agoPost 11
Ace Dude

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USA

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I would not recommend using lead free solder.

  

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05-27-2015 02:48 AM  3 years agoPost 12
Aaron29

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USA

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The usual 60/40 rosin core stuff, here. No issues, yet. Knock on wood.

Edit: for my EC5 and bullet style connectors.

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05-27-2015 02:57 AM  3 years agoPost 13
dkshema

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Cedar Rapids, IA

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I guess someone should ask what is being soldered. The OP asked about silver solder.

-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz

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05-27-2015 03:20 AM  3 years agoPost 14
Cobra 46

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Cambridge il usa

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That's what I was wondering. What is he soldering ?
I just use my electrical solder for my ec5 s. Is that wrong ??

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05-27-2015 03:45 AM  3 years agoPost 15
dkshema

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Cedar Rapids, IA

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I use plain old 63/37 Sn/Pb solder for electrical duties. The StaBrite gets used for mechanical stuff -- joining music wire, whose joints are wrapped in solid copper wire to make landing gear or cabane struts.

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Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz

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05-27-2015 03:56 AM  3 years agoPost 16
EEngineer

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TX

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Seems lost in the thread, but...

The reason 60/40 solder is preferred, compared to the lead-free solder, is that a good solder joint is "shiny" after the joint cools.

A "cold" joint is easily spotted as being "dull".

With the new "lead free" solder types, a good joint will look "dull" compared to that of lead solder.

At least that's why I prefer 60/40.

In addition to the soldering advice mentioned(all good), just be patient when applying the heat to power connectors. Use that flux paste to boil and sizzle....give it time....and use very thin solder to feed in little by little...until you see the "fillet" as was mentioned above...

If you have "overflow" on the outside of the power connector, just use an Xacto knife to "shave" the excess lead solder off....little by little...as the plating on the connector is of a harder metal than the solder....and you can feel the shaving of the excess lead..so you don't "dig" into the connector plating.

Electronic shops have "flux remover" solvents in a spray can....that and a "stiff bristled" brush will clean the joint up nice and shiny....add shrink....job done.

FWIW

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05-27-2015 04:42 AM  3 years agoPost 17
Ace Dude

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USA

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Here's what an ideal fillet looks like.

  

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05-27-2015 04:48 AM  3 years agoPost 18
EEngineer

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TX

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That's the ticket...nice and shiny, too...

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05-27-2015 05:19 AM  3 years agoPost 19
Al Austria

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Sacramento, CA - USA

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For the OP, Kester PN:"KS4462-21" SN62/PB36/AG02(2% silver). It's my absolute favorite to work with on most electronics. Unfortunately, it's expensive.

For allot less, you can't go wrong with regular Kester 44 SN63/PB37. Eutectic for me.

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05-27-2015 05:34 AM  3 years agoPost 20
JEEPWORLD2002/2

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Blue Bell, Pa

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I use the kester k100ld they have a couple 247 & 275 ?? It's LF can be bought on amazon or techi tool or google for closer to u it's the best LF u can work with. We are trying lock tite new gc10 solder paste. They also have roll solder too under parent company Henkel products ?? Google it. It's been working great so

Trex600n,Trex500,MR25,MikadoLoGo5003d/KDE,Goblin 380XNova,CastleCreations,Ys,JR XG8,Tags Mini XBus Dmss//FAA# FA3NYC9TAP

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HomeAircraftHelicopterHelicopter Main Discussion › What Solder?
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