I populate, solder, cut, re-solder. 72 & 73, Bill K9YEQ FT’er for K2, KX1, KX3, KXPA100, KAT500, W2, etc.
-----Original Message----- From: elecraft-boun...@mailman.qth.net <elecraft-boun...@mailman.qth.net> On Behalf Of Nr4c Sent: Sunday, March 25, 2018 4:08 PM To: hawley, charles j jr <c-haw...@illinois.edu> Cc: elecraft@mailman.qth.net; JEROME SODUS <jso...@comcast.net> Subject: Re: [Elecraft] Resistor and capacitor installation techniques: trim before or after soldering? And trimming before soldering allows the exposed copper “end” of the lead to be coated with solder thus eliminating corrosion to the bare copper. Sent from my iPhone ...nr4c. bill > On Mar 25, 2018, at 2:05 PM, hawley, charles j jr <c-haw...@illinois.edu> > wrote: > > That's probably good advice from NASA. However in 50 years, I've never > cracked a solder joint by trimming off the excess lead after soldering. I can > see how it could be imagined to happen and safer for sure if you are not > going to be able to fix it should it ever happen. > > Chuck Hawley > c-haw...@illinois.edu > > Amateur Radio, KE9UW > aka Jack, BMW Motorcycles > ________________________________________ > From: elecraft-boun...@mailman.qth.net > [elecraft-boun...@mailman.qth.net] on behalf of JEROME SODUS > [jso...@comcast.net] > Sent: Saturday, March 24, 2018 10:40 PM > To: elecraft@mailman.qth.net > Subject: Re: [Elecraft] Resistor and capacitor installation techniques: trim > before or after soldering? > > About Message#15 copied below.... > > Sorry but cutting wires after soldering is "bad practice"; NASA wanted the > soldered connection left undisturbed. > > If I ever saw an assembler or tech doing that "bad practice", they'd get a > verbal warning that first time and a written warning if it ever happened > again; but I had good, conscientious people and never had to do that. > > So, tin the wires if needed; position the part and then trim wires before > doing the final soldering. > > 73 Jerry KM3K > > > > Message: 15 > Date: Sat, 24 Mar 2018 19:39:47 +0000 > From: Bill Johnson <k9...@live.com> > To: "ksto...@ac0h.net" <ksto...@ac0h.net>, 'Mark Petrovic' > <mspetro...@gmail.com>, "Elecraft@mailman.qth.net" > <Elecraft@mailman.qth.net> > Subject: Re: [Elecraft] Resistor and capacitor installation > techniques: trim before or after soldering? > Message-ID: > <ro1p152mb09079615622cf62bbae2b4949c...@ro1p152mb0907.lamp152.prod.out > LOOK.COM> > > Content-Type: text/plain; charset="us-ascii" > > Follow the instructions and solder as directed. There are components on both > sides as I recall with the majority on the top. The leads need be spread to > hold the components in place on the board. Once done soldering use a flush > cut wirecutter to remove the excess. Not a good idea to trim them before > soldering. > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to k9...@live.com ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
