I agree. The point of a good crimper is to get a controlled force on the joint to create a reliable mechanical-electrical joint. Putting something springy in there, like insulation, is asking for trouble.
wunder K6WRU On Dec 11, 2013, at 3:48 PM, bill conkling <[email protected]> wrote: > Crimping the wire over the insulation doesn't seem too good to me. > > I have used a dab of hot melt glue to stabilize the wire at the rear of the > PP Plastic. > > ...bill nr4c > > Sent from my Verizon Wireless 4G LTE DROID > > EricJ <[email protected]> wrote: > >> I don't usually do that because the wire exiting the APP barrel is still >> just a small strand that flexes easily and can eventually break. It >> gives you a lot more surface area for crimping, but needs strain relief >> to be secure in the long run. >> >> What I do is strip the wire the same length as normal, then fold it back >> over the insulation. I insert the wire and insulation into the barrel >> with the wire down (away from the split in the barrel), then crimp >> normally. This makes a solid electrical connection with the stiffness of >> the wire insulation which also provides more than adequate strain relief. >> >> I've mentioned it here before and some are aghast, but I have maybe a >> dozen connections like that currently in my shack and not one of them >> has ever failed in the 10 years I've been doing it with APPs. But any >> connection where this is necessary is a low voltage, low current DC >> connection so what's it going to hurt? It isn't any worse electrically >> than using a small wire nut which is considered safe enough even for >> house wiring. >> >> Eric >> KE6US >> >> >> >> On 12/11/2013 9:41 AM, Edward R Cole wrote: >>> A little off topic: >>> >>> I wonder if any of you do what I do when using wires are too small for >>> crimp connectors? I strip twice as much insulation from the end of >>> the wire and then fold the bare wire over double. May have to squeeze >>> using small nose pliers to get it doubled tight enough to fit inside >>> the crimp connector. The crimps hold the undersized wire very well >>> with this procedure. >>> >>> BTW this works for solid conductor wire, like hookup wire. Bend the >>> conductor double and there is something for the crimp to hold. >>> >>> I do not know if this will work with powerpole connectors. My problem >>> was having too large diameter wire for the powerpole connectors which >>> inhibited proper crimping; solution chose proper size connector for >>> the wire size selected. >>> >>> 73, Ed - KL7UW >>> >>> --------------------- >>> Date: Wed, 11 Dec 2013 09:00:11 -0500 >>> From: Don Wilhelm <[email protected]> >>> To: "Charlie T, K3ICH" <[email protected]>, [email protected] >>> Subject: Re: [Elecraft] K3 Powerpole Replacement >>> Message-ID: <[email protected]> >>> Content-Type: text/plain; charset=ISO-8859-1; format=flowed >>> >>> Charlie, >>> >>> The PowerWerx crimper is good. Just be certain to fill the cavity with >>> wire - for instance the 30 amp connectors are sized for #12 wire - if >>> the wire is smaller, it may be loose, so in addition to filling the >>> barrel with as many wire strands as I can, I add some solder for extra >>> security. >>> >>> 73, >>> Don W3FPR >>> >>> >>> >>> 73, Ed - KL7UW >>> http://www.kl7uw.com >>> [email protected] >>> "Kits made by KL7UW" >>> ______________________________________________________________ >>> Elecraft mailing list >>> Home: http://mailman.qth.net/mailman/listinfo/elecraft >>> Help: http://mailman.qth.net/mmfaq.htm >>> Post: mailto:[email protected] >>> >>> This list hosted by: http://www.qsl.net >>> Please help support this email list: http://www.qsl.net/donate.html >>> >>> >> >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:[email protected] >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html -- Walter Underwood [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
