[Homeroast] Sucky decaf

Edward Bourgeois edbourgeois at gmail.com
Sat Jun 26 17:03:51 CDT 2010


I tend to

On Sat, Jun 26, 2010 at 4:11 PM, Michael Dhabolt
<michael.dhabolt at gmail.com> wrote:
> I fully concur with Edwards appraisal of the subject:
>
> On Sat, Jun 26, 2010 at 12:33 PM, Edward Bourgeois
> <edbourgeois at gmail.com> wrote:
>>
>> With a little patience a nice used 15 or 22amp. US made Staco variac
>> can be had on ebay for $60-$125.(I've bought several for less than
>> $100.in great condition) It will last for many years and maintain it's
>> original value and be very dependable. Just about all the China ones
>> I've heard roasters get have since met an early death. There will be
>> no voltage loss as will happen with a dimmer and can be used to
>> slightly boost if needed. Small ones to drive a fan can be had for
>> real cheap.
>
> There have been multiple threads on this list in the past concerning
> duty cycle of reputable US built, brand name variacs, I believe miKe
> mcKoffee wrote the seminal piece on the subject.  I believe the
> consensus has been that non-24-7 use in a
> non-heat-dissipation-challenged environment allows safe use of variacs
> rated somewhat below the actual current draw.  I've used a variac
> rated at 12 Amps for 15 Amp loads for several hours at a time many
> times with no discernible heat build up, I've used it for years and it
> is still kicking.
>
> Small variacs wired for voltage increase in the fan circuit provides
> approx. 138 Volts and substantially increases the green bean load
> capability of a P1 (chimney mandatory at this load).
>
> If anyone tries the router speed control course of action, I'd
> certainly hope they would post their results.
>
> Mike (just plain)
>
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-- 
Ed Bourgeois aka farmroast
Amherst MA.
http://coffee-roasting.blogspot.com/



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