I would not solder any battery packs, particularly those subject to vibration and shock.
There are plenty of low-cost DIY solutions for spot-welding. On Mon, Feb 8, 2021 at 4:58 PM Peri Hartman via EV <[email protected]> wrote: > Right. That's why I was mentioning solder. I could have been more > careful with my wording, but the point was to provide a better solder > connection. > > << Annoyed by leaf blowers ? https://quietcleanseattle.org/ >> > > ------ Original Message ------ > From: "Jim Walls via EV" <[email protected]> > To: [email protected] > Cc: "Jim Walls" <[email protected]> > Sent: 08-Feb-21 4:40:36 PM > Subject: Re: [EVDL] Calculating nickel strip amp carrying power > > >On 02/08/2021 15:31, Peri Hartman via EV wrote: > >>Just a thought, here. Years ago I played around with electronics using > bread boards and wire wrapping. The wire wrap causes a really tight bond, I > was told, at the molecular level. I wonder if you can do something similar > for connecting cells. At the very least, if you have several turns of wire, > your solder will make a larger and stronger connection. > > > >Done thousands and thousands of wire wrap connections. Remember, that > most wire wrap stuff was working in the milli amp range. As for the > connection, think about this. You have a square pin with normally solid > wire wrapped around it. The only place that has any real tension holding > the wire and pin together is at the corners of the square pin. At the > corners, there is likely a pretty good amount of pressure holding them > together, but it's a very small area of contact. > >Note that some wire wrap pins are round rather than square, so a wire > wrapped around it would have a larger contact area, but at less tension. > > > >-- 73 > >------------------------------------- > >Jim Walls - K6CCC > >[email protected] > >Ofc: 818-548-4804 > >http://members.dslextreme.com/users/k6ccc/ > >AMSAT Member 32537 - WSWSS Member 395 > > > >_______________________________________________ > >UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > >ARCHIVE: http://www.evdl.org/archive/ > >LIST INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org > > _______________________________________________ > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > ARCHIVE: http://www.evdl.org/archive/ > LIST INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20210208/99a301ba/attachment.html> _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub ARCHIVE: http://www.evdl.org/archive/ LIST INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org
