[Homeroast] Alpenrost - end of service

Starfinder Stanley coffee at starf.org
Sat Aug 28 09:14:36 CDT 2010


Yes, fuse, that's what I meant ---and, true, I was tempted to bypass the
wretched thing, but I have already gotten enough flack from my wife over
inadvertently setting fire to things, so I figured prudence was the better
part of valor here....

On Sat, Aug 28, 2010 at 1:50 AM, <raymanowen at gmail.com> wrote:

> "...the thermal cutoff switch.
> You'd need to take it apart to access the switch, but as I recall it didn't
> even require soldering, and you can get a replacement switch for something
> $5 at radio shack (though that one will probably crap out eventually too."
>
> Are you not talking about the Fth or thermal fuse? In the infinite wisdom
> of
> Big Government, UL approval depends upon the inclusion of a "gimmick" to
> make sure you don't operate your hobby appliance on too great a duty cycle,
> like the commercial machine it isn't.
>
> Radio Shack doesn't know this one, but they actually sell a thermal fuse
> replacement on a continuous roll. It's a roll like teletype paper, actually
> 18-Ga copper wire. Current-wise, it can handle 16 A in an under-chassis
> location like roaster innards, so you might have to depend on the 15 A
> circuit breaker in a standard home installation. Current protection still
> exists.
>
> Temperature-wise, you need not worry. Short of a thermonuclear exchange,
> the
> 1900° F melting point of copper will not give the failures nur das Leben
> zur
> Hölle lostreten. Thermal protection triumphs.
>
> "Fuse" means melt.  A fusible wire carrying current generates a little
> heat.
>  In some kind of cartridge, especially glass, the heat is trapped and
> builds. With current flowing at less than the rated capacity over an
> extended time, the fusible link still gets hot and melts out.
>
> Understand, if you install the upgraded Fth, the machine will operate more
> reliably but you must commit to watch it. No texting, no online shopping
> while el-roasto is el-roasting.
>
> Cheers, Mabuhay, bitte Schicken Sie den Kaffee ein -RayO, aka Opa!
> --
> Persist in old ways; expect new results - suborn Insanity...
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