Hi all... If you're a sucker with "poor solder-sucker" RS desoldering braid,
try putting a little flux on the braid before use... ... On 8/19/20, B 9 <hacke...@gmail.com> wrote: > On Tue, Aug 18, 2020 at 7:58 PM Joshua O'Keefe <maj...@nachomountain.com> > wrote: > >> Given that my T is something I use almost daily that brings me a great >> deal of enjoyment and utility I consider the effort having been >> worthwhile >> even though it changed nothing about its behavior. If nothing else, it >> will live longer. > > > Thank you, that's a good point that I forget. All capacitors are supposed > to have a finite service lifetime, right? I'm not sure, but it looks like > 5,000 hours is typical and 8,000 is considered "good". If you use your > model T for eight hours a day, except weekends, the capacitors would be > shot within four years. … wait, I just double-checked before sending this > and learned about the "Arrhenius equation". > [image: image.png] > Manufacturers rate capacitors at the *maximum* temperature (105°C), and the > lifetime doubles for every 10°C reduction in ambient temperature. I don't > think Model T's run very hot — has anybody measured? — so maybe we can > expect them to live quite a bit longer. > > > On Wed, Aug 19, 2020 at 3:59 AM Josh Malone <josh.mal...@gmail.com> wrote: > >> [...] That said, console5 is a reputable supplier and if you have the >> experience and tools to recap the machine entirely, it probably won't >> hurt. >> > > When I was in school, I was taught that *“Experience is directly > proportional to the amount of equipment destroyed.”* I have not yet > destroyed enough equipment by desoldering, so I'll probably hold off on > recapping. > > >> [...] people damaging the machine because they don't know how to do the >> replacement properly (improper dwell times, wrong temps, clipping leads >> and >> soldering to existing joints), or use poor tools (unregulated irons, poor >> solder suckers). >> > > For desoldering, dwell time should be low and temp should be high, right? > I've got a regulated iron, but the desoldering braid I got from Radio-Shack > is so bad, it might as well have been labelled "this is a poor solder > sucker, but if you pay money for it, you'll be one too!" > > > On Wed, Aug 19, 2020 at 7:24 AM Gregory McGill <arcadeshop...@gmail.com> > wrote: > >> I sell the same kit in my store >> > > Thanks! I always prefer to shop from people I "know", even if only from > seeing them on mailing lists. For anyone searching, here's the link: > https://www.arcadeshopper.com/wp/store/#!/model-100-102-capacitor-kit/p/139509791/category=28313042 > > > On Wed, Aug 19, 2020 at 9:28 AM Jeffrey Birt <bir...@soigeneris.com> wrote: > >> I generally don’t recommend recapping any piece of vintage gear as a >> matter of course unless it has a history of cap problems or there is >> signs >> of leaking or other failures. As others have said many times folks make >> things worse by trying to install new capacitors without the proper tools >> or experience to do so. [...] >> > > Thank you. That's good advice! I enjoy watching your videos, by the way. > > If I’m doing a Model 100/102 for someone else I will more than likely recap >> it as the parts are cheap and the M100 is known for leaking caps. >> > > Do you know if the Tandy 200 had similar problems? > > —b9 >
