[Homeroast] Quest M3 Arrives, Is it worth it?

Robert Yoder robotyonder at hotmail.com
Thu Dec 9 21:32:10 CST 2010


Thank you, Joe, for your thoughtful contribution!  This group can be a wonderful source!
 
Happy Roasting,
 
robert yoder 
 

 
> Date: Thu, 9 Dec 2010 18:32:05 -0800
> From: theotherjo at gmail.com
> To: homeroast at lists.sweetmariascoffee.com
> Subject: Re: [Homeroast] Quest M3 Arrives, Is it worth it?
> 
> Robert,
> Not exactly. I would agree with you if the beans came out toasted on the
> outside and not done on the inside. Coffee that comes out of the Behmor is
> usually done throughout depending on who is at the helm. I do see your
> analogy though, my toaster oven ( which looks very close to the Behmor )
> does a great job broiling a game hen with electric elements.
> Regarding your subject of wire mesh vers. solid drums, miKe covered this
> nicely. Most of my roasting experience after a home roasting intro. has been
> with a Probat 5L. Until a few minutes ago I was under the impression my
> Probat had a solid 1/2" cast iron drum 14" deep. I'm glad I looked. Of all
> the lists I post to, this is one I do not want to pass bogus information on.
> I got this impression from the person that sold the roaster to me and one
> other who I'm sure knew even less. As it turns out the first 3" is 1/2" cast
> iron but the last 11"are what appears to be steel alloy of maybe 1/8". Great
> air flow but not the air control that miKe has with his USRC.
> When I started this post I was all prepared to tout the benefits of roasting
> in a cast iron solid drum, cast iron being so good at distributing heat like
> all the cast iron some of us used to cook with. Now I realize the drum is
> not that different from the USRC or Quest. I think the USRC is stainless.
> Does the Quest have a stainless drum?
> My profiles with the Probat are rock solid as it sounds like the Quest will
> be also. You all have me thinking the Quest might make a very nice sample /
> and or shop roaster for everyone to gather around.
> Keep posting all your Quest notes. Great to hear how well you are all
> enjoying it.
> Joe
> 
> On Thu, Dec 9, 2010 at 11:01 AM, Robert Yoder <robotyonder at hotmail.com>wrote:
> 
> >
> > Thank you, Mike! I think the Behmor also uses reflected radiation from the
> > shiny surfaces of the chaff collector (even the inside of the mesh), etc.
> > The thermocouple I installed shows that the ET is also a contributor, so I
> > imagine that, even in the Behmor, the beans are "falling through heated
> > air", as you say. So it's a coffee Broiler! So much to digest!
> >
> > Happy Roasting,
> >
> > robert yoder
> >
> > > From: mchet at charter.net
> > > To: homeroast at lists.sweetmariascoffee.com
> > > Date: Thu, 9 Dec 2010 10:55:13 -0500
> > > Subject: Re: [Homeroast] Quest M3 Arrives, Is it worth it?
> > >
> > > With a solid or fine perforated drum, you get a true drum roast. The gas
> > > burner or electric element heats the drum and it transfers the heat to
> > its
> > > inside. The beans are heated slightly by contact with the hot metal
> > > (conduction) but spend most of the time falling through heated air and
> > are
> > > heated by gentle convection. With an open mesh screen such as the Behmor
> > > has, you have some heating through conduction and convection, but the
> > mass
> > > of the drum is much less and less heat is transferred these ways. The
> > > infrared energy from the element passes through the mesh and strikes the
> > > beans directly heating them also, and this provides most of the heat
> > > transfer. (You can think of it as the difference between roasting a piece
> > > of meat and broiling it. Both methods get it cooked, but the results
> > taste
> > > differently) There is nothing wrong with the infrared heating done in the
> > > Behmor, you just need to understand the difference and adjust for it if
> > > using a profile from a true drum roaster.
> > >
> > > Mike Chester
> > >
> > > -----Original Message-----
> > > From: Robert Yoder
> > > Sent: Thursday, December 09, 2010 12:40 AM
> > > To: homeroast at lists.sweetmariascoffee.com
> > > Subject: Re: [Homeroast] Quest M3 Arrives, Is it worth it?
> > >
> > >
> > > Hank,
> > >
> > > Thanks for your very informative posts!
> > >
> > > Can you provide a bit more info about the thermocouples and data-logger
> > you
> > > installed in the Quest?
> > >
> > > I'm still a bit confused about the relative merits of wire-mesh v solid
> > > drum. I imagine the solid drum has more thermal mass and is slower to
> > react
> > > to temperature changes, but what I don't get is why the solid drum is
> > > better, being slower and thus less-sensitive to control input, especially
> > > with the thermal lag of the electric heating elements.
> > >
> > > Any light you can provide would be very welcome.
> > >
> > > Thanks, and,
> > >
> > > Happy Roasting,
> > >
> > > robert yoder
> > >
> > > > Date: Tue, 7 Dec 2010 08:49:40 -0600
> > > > From: hankperkins at gmail.com
> > > > To: homeroast at lists.sweetmariascoffee.com
> > > > Subject: Re: [Homeroast] Quest M3 Arrives, Is it worth it?
> > > >
> > > > Scott/Mike,
> > > >
> > > > As I am not a pro roaster I offer the following:
> > > >
> > > > The Quest compared to the other roasters I have used is like comparing
> > > > a Wal Mart frying pan to a Le Cruset frying pan. They both cook but
> > > > they perform much differently and are built differently. I am totally
> > > > impressed with how well the Quest M3 is built. It does not look or
> > > > feel like some Chinese counter top appliance.
> > > >
> > > > I have been able to roast with a pro on a Deidrich IR once before.
> > > > Although the Quest is electric and not gas the experience is very
> > > > similar. Electric is slower to react both heating up and cooling
> > > > down. It does require the user to be a bit more proactive than gas
> > > > but you adjust fan speed instead of a damper, and element amps instead
> > > > of gas flow.
> > > >
> > > > I can't wait to have the thermocouples and data logger instead of the
> > > > analog thermometer. With the analog gauge it is very difficult to
> > > > determine the environmental rate of change to the adjustments I was
> > > > making. I was very lucky to hit the time on the Jimma as I did.
> > > >
> > > > Hank
> > > >
> > > > On Tue, Dec 7, 2010 at 8:14 AM, Scott Miller <peechdogg at gmail.com>
> > wrote:
> > > > > That was my thinking, too. The times when lots of samples just bog me
> > > > > down because I only have a single sample roaster is frustrating. Cost
> > > > > of a mutli barrel sample roaster is too much for me at the moment. A
> > > > > pair of QM3, I can live with and benefit from.
> > > > >
> > > > > cheers,
> > > > >
> > > > > Scott
> > > > >
> > > > > On Mon, Dec 6, 2010 at 10:26 PM, miKe mcKoffee <mcKona at comcast.net>
> > > > > wrote:
> > > > >> Scott, if it was me I'd go for a QM3. For the price of a commercial
> > > > >> sample
> > > > >> roaster you could have more than one QM3, and QM3 would afford more
> > > > >> versatility (profiling control capability) versus traditional barrel
> > > > >> sample
> > > > >> roaster. Unless you're talking about something like a USRC .5k as a
> > > > >> sample
> > > > >> roaster.
> > > > >>
> > > > >> I'm still using a CCR HotTop as my sample roaster but would rather
> > have
> > > > >> two
> > > > >> QM3 for what I paid for the CCR HT...or one QM3 and some halogens
> > for
> > > > >> vac:)
> > > > >>
> > > > >> Not that the CCR HT isn't pretty nifty, but I believe from all I've
> > > > >> read and
> > > > >> what I understand of how the the QM3 works that it's capable of
> > > > >> superior
> > > > >> roasts, close to if not on par with my USRC. QM3 fully manual of
> > course
> > > > >> so
> > > > >> doesn't have the automation advantage of the CCR HT, but I could
> > live
> > > > >> with
> > > > >> that.
> > > > >>
> > > > >
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> 
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