[Homeroast] variac basics

raymanowen at gmail.com raymanowen at gmail.com
Sun Nov 14 17:41:22 CST 2010


Oh, Hey- How stuff works on Green network- Barista competition. Looks
delicious -ro

On Sun, Nov 14, 2010 at 8:59 AM, Edward Bourgeois <edbourgeois at gmail.com>wrote:

> I like using a variable transformer/variac over going PID. Been using
> one with my roaster for 5 years. From all I've heard over the years
> there have been many failures with the models out of China. Unless
> there have been recent improvements in these I highly recommend
> looking for a a US made model Staco, Superior etc., in good condition
> used. Many are priced high on ebay but if your patient they can be
> found for $50.-$100.
>
> On Sat, Nov 13, 2010 at 1:15 AM,  <msmb at suddenlink.net> wrote:
> >
> > After a good number of years I today tried roasting with an air popper
> once again.  I came across a 1250 Watt Proctor Silex one that was left in a
> rental property and couldn't resist the temptation of trying it.  I was
> amazed at how quickly it heated up and how powerfully it kept the beans --86
> gramms, same thing I used in my I-roast--  swirling around and ultimately
> how evenly it roasted.
> >
> > is it overkill to use a vaciac with this kind of roaster?  if it is not,
> can someone tell me about vaciacs; I have the scantest knowledge of what
> they are (I was just reading a bit online).  I take it that if I were to buy
> one i should get one that plugs into a whall outlet and that has an outlet
> into which I plug the popper.  Then there is typically a dial that you turn
> in order to set and  control the wattage of the popper and that by doing
> this you can carefully control the heat.  I assume that after using the
> popper enough you will become accustomed to what point on the control keeps
> the popper at a given temperature.  Is all fo this correct?
> >
> > Tne next question is what the capacity should be for a variac that will
> control a 1250 w device.  if i understood correctly I would divide 1250 by
> 84.5, which suggests a 15 AMP variac.  But that seems like a lot doesn't it?
> >
> > Then the next question, if it is permitted in this forum; where do you
> purchase a variac?
> >
> > _______________________________________________
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> >
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> >
>
>
>
> --
> Ed Bourgeois aka farmroast
> Amherst MA.
> http://coffee-roasting.blogspot.com/
>
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>



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