[Homeroast] Questions about roasting and the Quest

Marshall, Larry lcm at marshap.com
Fri Apr 25 15:42:29 CDT 2014


Excuse the diversion, but I thought the maximum load was 200 gm. You can
use as much as a half pound?


On Fri, Apr 25, 2014 at 5:23 AM, Frank Parth <frank at fparth.com> wrote:

> John,
> A drop to 160C isn't bad. I put in 250 grams and the temp will drop from
> 200C (my starting point) to 110-120C.
>
> You'll find that different beans will start first crack at very different
> temperatures. I've had low altitude beans start first crack as low as 185C,
> and high altitude beans not start until over 200C. Once FC starts I'll turn
> the fan speed up to max (around 9 on my dial) and stretch out the time to
> second crack.
>
> HTH
>
> Frank Parth
>
>
> On Apr 25, 2014, at 2:52 PM, John Monteleone <johnmonteleone at gmail.com>
> wrote:
>
> > I've roasted eight batches with my new Quest and I had few questions.
> >
> > I've been having a hard time controlling my first pre-heat.  I've been
> > trying to pre-heat to 220 c and I've found myself coasting right threw to
> > 230 and 240.  Then I drop my beans and the temperature went down to 160
> c.
> > On another time when the preheat was lower, the temperature dropped to
> 130
> > c.  What is the impact of the starting point being so different.
> >
> > Also, if my intention is to never hit second crack, what temperatures
> > should I be targeting.  First crack has been happening at around 192 c.
> > Some roasts have coasted up to 210 and some have hung around 200 c.  Does
> > any have any comments on that as well.
> >
> > Thanks so much.
> > John
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