Well you have not been to Hell Michigan. I can 100% confirm it freezes over yearly
Sent from Yahoo Mail on Android On Mon, Oct 4, 2021 at 7:10 PM, jerry<je...@tr2.com> wrote: On 2021-10-04 15:12, Skip Jensen wrote: > I would put an LiPoly inside one of my radios right after it has been > reliably determined that hell has frozen over. *** How about Lithium Ion - the round cells? I have been playing with 18650 cells a bit - made up a pack for an ebike. Have gotten set up to weld the tabs. - Jerry KF6VB I used one for my KX1, > external on a pigtail. I got it at the RC store, about the size of a > small matchbox. I was in the Spartan Sprint one summer evening on the > deck, and it burst into flames while I was sending. Yanked the > pigtail loose and tossed it down onto a gravel driveway where it > fizzed and popped with flames for about 5 minutes. I have a friend > whose LiPoly in his RC airplane did the same thing. Sadly, all he > could do is watch the airplane go into a tight spin and "make > uncontrolled contact with the ground." [1] > > LiFePO4 batteries are very stable. LiPoly ... not so much. > > 73, > > Fred ["Skip"] K6DGW > Sparks NV DM09dn > Washoe County > > [1] A phrase often used in USAF A/C accident reports. See also NASA > -- "anomaly" which can be anything from a burned out light bulb to the > rocket landing pointy end down somewhere in the desert > > On 10/4/2021 10:09 AM, Rob Walker via Elecraft wrote: >> I have made myself a 14.8v lithium ion polymer battery, with battery >> management system and audible alarm, that fits inside the KX3. >> >> Ideally I would like to leave it in the KX3 to charge and charge it by >> connecting a 15v (max 15.5v) PSU to the DC connector of the KX3. >> >> If I connected my battery to pins 1 and 3 of the 10pin P3 connector >> would this battery power the KX3 and charge when connected to an >> external 15v PSU…. Without damaging the KX3 of course ? >> >> >> Kind Regards, >> >> >> Rob Walker >> ______________________________________________________________ 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 backhoe...@yahoo.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
