HomeRoast Digest


Topic: Larger-than-250g roaster? (was: Quest M3) (18 msgs / 721 lines)
1) From: Kysh
Let me preface this by saying that I've greatly enjoyed putting what
must be a couple hundred pounds of coffee through my hottop.  It's not
without its foibles, but overall it's been a great machine, and is
treating me amazingly well.
However, I find that my roasting sessions have begun to spread out
somewhat crazily and I've started to run rapid-cooldown serial
sessions, using a shopvac to suck the hot air out of the roaster by
the time the cooldown cycle finishes.  I've been roasting coffee for
myself, my co-workers, my roommates, and various special occasions,
but I've been getting a lot of people asking me if I can roast a batch
for them now and again,and I find myself typically doing five or six
batches of coffee back to back when I roast, a couple times a week.
I feel that this is becoming borderline abusive to my roaster,
metallurgically at the very least.
Ideally, I would like to be able to roast somewhere between 1lb and
1kg batches, since I -never- roast only a single 250lb batch--I always
roast two at minimum of any given coffee.
Recently, as discussion of the Quest has bounced around, I've seen a
few comment saying that there are lots of options for low-end in the
1lb-1.5kg range, but frankly I'm not familiar with them, and have been
looking around with little success.
I'm not looking for someone to do the work for me, but I was hoping I
might get some pointers as to where I should look if I wanted to scale
my roasting operation up just a little bit. Money is an object,of
course, but I'm willing to invest in something, providing it will last
me a good long time.
Thanks in advance  yall!
-Kysh
Homeroast mailing list
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2) From: Andy Thomas
http://www.rkdrums.com/Ron Kyle was a member of this list when he developed his RK Drum several ye=
ar =
ago. Sadly, he passed away suddenly a couple of years ago, but RK Drums are =
still available. I've never used one, but if I were looking for a larger =
roaster, it would be near the top of my list of possibilities.
 
Andy
Let me preface this by saying that I've greatly enjoyed putting what
must be a couple hundred pounds of coffee through my hottop.  It's not
without its From getpop Sat Dec 18 10:00:02 2010
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From: Kysh 
To: "A list to discuss home coffee roasting. There are rules for this list,
	available athttp://www.sweetmarias.com/maillistinfo.html"	
Subject: [Homeroast] Larger-than-250g roaster? (was: Quest M3)
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Let me preface this by saying that I've greatly enjoyed putting what
must be a couple hundred pounds of coffee through my hottop.  It's not
without its foibles, but overall it's been a great machine, and is
treating me amazingly well.
However, I find that my roasting sessions have begun to spread out
somewhat crazily and I've started to run rapid-cooldown serial
sessions, using a shopvac to suck the hot air out of the roaster by
the time the cooldown cycle finishes.  I've been roasting coffee for
myself, my co-workers, my roommates, and various special occasions,
but I've been getting a lot of people asking me if I can roast a batch
for them now and again,and I find myself typically doing five or six
batches of coffee back to back when I roast, a couple times a week.
I feel that this is becoming borderline abusive to my roaster,
metallurgically at the very least.
Ideally, I would like to be able to roast somewhere between 1lb and
1kg batches, since I -never- roast only a single 250lb batch--I always
roast two at minimum of any given coffee.
Recently, as discussion of the Quest has bounced around, I've seen a
few comment saying that there are lots of options for low-end in the
1lb-1.5kg range, but frankly I'm not familiar with them, and have been
looking around with little success.
I'm not looking for someone to do the work for me, but I was hoping I
might get some pointers as to where I should look if I wanted to scale
my roasting operation up just a little bit. Money is an object,of
course, but I'm willing to invest in something, providing it will last
me a good long time.
Thanks in advance  yall!
-Kysh
Homeroast mailing list
Homeroasthttp://www.sweetmariascoffee.com/gallery/main.php?g2_itemIdx20">http://lists.sweetmariascoffee.com/mailman/listinfo/homeroast_lists.sweetmariascoffee.comHomeroast community pictures -upload yours!) :http://www.sweetmariascoffee.com/gallery/main.php?g2_itemIdx20

3) From: Andy Thomas
http://www.rkdrums.com/Ron Kyle was a member of this list when he developed his RK Drum several ye=
ar =
ago. Sadly, he passed away suddenly a couple of years ago, but RK Drums are =
still available. I've never used one, but if I were looking for a larger =
roaster, it would be near the top of my list of possibilities.
 
Andy
Let me preface this by saying that I've greatly enjoyed putting what
must be a couple hundred pounds of coffee through my hottop.  It's not
without its From getpop Sat Dec 18 10:00:02 2010
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From: Kysh 
To: "A list to discuss home coffee roasting. There are rules for this list,
	available athttp://www.sweetmarias.com/maillistinfo.html"	
Subject: [Homeroast] Larger-than-250g roaster? (was: Quest M3)
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Let me preface this by saying that I've greatly enjoyed putting what
must be a couple hundred pounds of coffee through my hottop.  It's not
without its foibles, but overall it's been a great machine, and is
treating me amazingly well.
However, I find that my roasting sessions have begun to spread out
somewhat crazily and I've started to run rapid-cooldown serial
sessions, using a shopvac to suck the hot air out of the roaster by
the time the cooldown cycle finishes.  I've been roasting coffee for
myself, my co-workers, my roommates, and various special occasions,
but I've been getting a lot of people asking me if I can roast a batch
for them now and again,and I find myself typically doing five or six
batches of coffee back to back when I roast, a couple times a week.
I feel that this is becoming borderline abusive to my roaster,
metallurgically at the very least.
Ideally, I would like to be able to roast somewhere between 1lb and
1kg batches, since I -never- roast only a single 250lb batch--I always
roast two at minimum of any given coffee.
Recently, as discussion of the Quest has bounced around, I've seen a
few comment saying that there are lots of options for low-end in the
1lb-1.5kg range, but frankly I'm not familiar with them, and have been
looking around with little success.
I'm not looking for someone to do the work for me, but I was hoping I
might get some pointers as to where I should look if I wanted to scale
my roasting operation up just a little bit. Money is an object,of
course, but I'm willing to invest in something, providing it will last
me a good long time.
Thanks in advance  yall!
-Kysh
Homeroast mailing list
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4) From: miKe mcKoffee
I'm not sure where you got the idea there are "lots of options for low-end
in the 1lb-1.5kg range". Do it (build it) yourself maybe, ready built off
the shelf targeting home roasters exactly zero that I know of.
As Andy mentioned there is the RKDrum (and some copycats) made to use with a
gas grill, not much else if anything. But really what you're looking for AND
the activities of roasting up to 3.3lb batches for more than yourself and
immediate family IS entering the realm of commercial roasting and as such
you'll need to look at real commercial roasters if you're serious about
moving forward. Then yes there are options, but not low-end or low cost. 
Slave to the Bean  miKe mcKoffee
www.CompassCoffeeRoasting.com
URL to Rosto mods, FrankenFormer, some recipes etc:http://www.mckoffee.com/Ultimately the quest for Koffee Nirvana is a solitary path. To know I must
first not know. And in knowing know I know not. Each Personal enlightenment
found exploring the many divergent foot steps of Those who have gone before.
Sweet Maria's List - Searchable Archiveshttp://themeyers.org/HomeRoast/
<Snip>
 
<Snip>
 
<Snip>
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5) From: g paris p
Hi Kysh:
Greetings from Northern Arizona, where I roast all year in my Hot Top...
I was having the same issue a month or so ago; I wanted a larger batch
machine. I have used 3 Hot Tops, a Behmor, a Gene Cafe and a Fresh Roast.
Since I am selling coffee to my local Country Store and a cafe in town I
wanted
something with a larger capacity.
All are gone but my trusty Hot Top (older ones sold or parted out)  and I
have a new addition of the
Quest 3M.
After looking high and low at new or used small batch roaster 1 to 1 1/2
pounder
they wee simply too much money. I ended up with two choices at were in the
price
range I wanted to spend.
One was the Quest 3M, the other can be found here:http://koffeekosmo.com.au/The Kosmo Roaster has a sweet spot of
between 1 and 1 1/2 pounds. I will still most likely get on but not until
after the first of the year. My sister after listening to my emails about
roasters called Coffee Shrub and had them send me a Quest 3M.
Funny thing is I have not even used it yet because right before I got it I
broke my wrist
and my right hand is the one I will use to turn the knobs with...
The batch size is a lot smaller then Kosmo's roaster but I can run both the
Hot Top
and the Quest on top of my very large kitchen range since I have a hood that
will suck up a dog or two when it's turned up only to med so smoke is no
issues for me.
The final decision was simply dropped into my lap because of my sweet sister
but it will serve me in the long run because I can still roast a pound plus
at one
time but I will have the advantage of learning more about roasting since the
Quest is 100% manual.
Most of my coffee sales at this time are 1/2 pound bags; local folks seem to
like the idea of trying different coffees without having to buy a 1 pound
bag.
For me all works out. Please let us know what you decide.
Check out Kosmo's very cool roaster. You will also fine him on my forumhttp://www.homeroasters.org/php/news.phpwhere there is a complete thread on his roaster as well as many other
custom roasters.
regards,
ginny
On Tue, Dec 7, 2010 at 10:08 PM, Kysh  wrote:
<Snip>
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6) From: Hank Perkins
I looked at the RK Drum / Gas Grill seriously a year ago.  The big
concern I had here was repeatability.
As a general rule, with this type roaster, you roast outside in
variable wind and temperature conditions with a roaster that without
some serious engineering/modifications is susceptible to  the effect
of these environmental changes.  I never was able to resolve concerns
I had about roast repeatability with this type of set up.  Bringing
this type of roaster into an environment where you can control wind
and temp defeats the point of an affordable, higher volume roaster.
As a result I eliminated this as a choice for my needs.
I believe that to roast more than a pound at a time requires 220v at
higher amperage's (think dryer) or a gas driven roaster.  There are
some fluid bed roaster designs out there that you can build that will
do a pound or more using a 220v circuit. But, consider this 220v is
serious, dangerous power that will kill you.  I believe this is one
reason we don't see this type of roaster on the market.
Hank
On Wed, Dec 8, 2010 at 1:57 AM, miKe mcKoffee  wrote:
<Snip>
h a
<Snip>
AND
<Snip>
nt
<Snip>
re.
<Snip>
mariascoffee.com
<Snip>
ee.com/gallery/main.php?g2_itemId=7820
<Snip>
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7) From: Mike Koenig
This was the problem I had when I attempted a homebrew grill drum.  Airflow
in the grill was highly dependent upon the wind,  and control was difficult
due to the thermal mass of the grill making quick temperature changes rather
difficult.
I think if I wanted to hack my grill, I could have dealt with the issue, but
it was also a shared food grill, so I got a HotTop.
--mike
On Wed, Dec 8, 2010 at 10:36 AM, Hank Perkins  wrote:
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8) From: Kysh
<Snip>
Sorry.. I was a little exhausted yesterday and on re-reading, I did
indeed say that.  I think by 'low-end' I meant low batch size, or
low-end professional roasters; I certainly didn't mean to imply cheap.
<Snip>
I'm not looking for low-end or low-cost, or a gas grill.  I'm
definitely willing to go beyond that, but I don't need to roast, say,
12kg of coffee.
Sorry for the confusion!
-Kysh
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9) From: Kysh
<Snip>
t will
<Snip>
I'm definitely looking to stay with a drum roaster, but 220v or gas is
fine... although I rent, so I could only swing propane.
-Kysh
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10) From: Hank Perkins
Kysh,
With all due respect, based on my investigations, when you move to
roasting 1 pound plus you are dealing with commercial grade roasters.
Generally these systems require permanent installations and  custom
exhaust venting.  When I looked at these roasters the gas installation
and the vent installation were more than I was willing to deal with.
The roasters you are looking at start around $4,000 just for the
roaster.  Gas and ventilation is going to run at least another $1,000
and often require inspections by city inspectors. This can effect your
insurance.  If in fact you plan to roast in a leased facility this
could have lease  considerations with regard to the modifications and
the operation of the roaster depending on the lease.
On Wed, Dec 8, 2010 at 10:29 AM, Kysh  wrote:
<Snip>
at will
<Snip>
mariascoffee.com
<Snip>
ee.com/gallery/main.php?g2_itemId=7820
<Snip>
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11) From: Kysh
On Wed, Dec 8, 2010 at 9:08 AM, Hank Perkins  wrote:
<Snip>
Never a good way to start an email... ;>
<Snip>
That's not a problem, though something like the sample roaster Tom had
a few years back would have been great.
<Snip>
Hence the requirement for propane.
<Snip>
ed facility this
<Snip>
Again, I'm not looking for a Diedrich 12k at the moment, so I'm not
planning to make any modifications. I'm not roasting in my kitchen...
-Kysh
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12) From: Larry Dorman
The SCTO (Stir Crazy / Turbo Oven) setup works great and is extremely
affordable...  I set mine up several years ago with a total investment
of under $100 and I'm still using it today.  I roast one pound batches
without difficulty, though I do consider that pretty much the limit.
Here are some photos I took in 2005 (wow - I didn't know it was THAT
long ago)... http://www.flickr.com/photos/bestfx/sets/1071789/.I'd be happy to answer any questions...  I used to do all of my
roasting outside, but I've now setup in my garage with an old hood fan
venting out a window.
LarryD
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13) From: miKe mcKoffee
In that case some of the usual suspects:http://www.ambexroasters.com/coffee-roasters/ym2-coffee-roaster.htmlhttp://www.diedrichroasters.com/index.cfm?page=LabRoasterhttp://www.diedrichroasters.com/IRallTEXT.cfm?ID-02aTThttp://www.probatburns.com/commercial-coffee-equipment/commercial-coffee-roa">http://www.usroastercorp.com/3kiloroaster.htmhttp://www.usroastercorp.com/sample.htmhttp://www.ambexroasters.com/coffee-roasters/ym2-coffee-roaster.htmlhttp://www.diedrichroasters.com/index.cfm?page=LabRoasterhttp://www.diedrichroasters.com/IRallTEXT.cfm?ID-02aTThttp://www.probatburns.com/commercial-coffee-equipment/commercial-coffee-roa
sters/probatino-drum.phphttp://web.mac.com/victor.mondry/Site/Ambex_Ym-2_.htmlSome of the roasters/companies I checked out before choosing a USRC 3k...">http://www.coffeeper.com/SF-1LB.htmlhttp://primoroasting.com/article_36_Lab-Roaster.cfmhttp://web.mac.com/victor.mondry/Site/Ambex_Ym-2_.htmlSome of the roasters/companies I checked out before choosing a USRC 3k...
Slave to the Bean  miKe mcKoffee
www.CompassCoffeeRoasting.com
URL to Rosto mods, FrankenFormer, some recipes etc:http://www.mckoffee.com/Ultimately the quest for Koffee Nirvana is a solitary path. To know I must
first not know. And in knowing know I know not. Each Personal enlightenment
found exploring the many divergent foot steps of Those who have gone before.
Sweet Maria's List - Searchable Archiveshttp://themeyers.org/HomeRoast/
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14) From: Edward Bourgeois
Other than the RK drum the off the shelf roasters are intended for
indoor use. Once you get past a 1/2lb. batch size you get into
smoke/exhaust and power issues. The Behmor tried to put some power
into the after burn and the rest into the main heaters but comes up
short when trying to do closer to a lb. with a good profile. As you
start to put full draw on a common 15amp line you can also have
voltage drop issues. Then there is the UL approved factor for home
non-professional use. My homebuilt(see my blog) does 1-1.25lbs with
the very most demanding profile and up to 2lbs with a lesser demanding
profile. I have to plug into 2 separate circuits and set the roaster
next to a window with a box fan blowing the smoke out. The room still
smells like coffee but the smoke level is acceptable. I found out
several years ago that if I were to try to produce my roaster design
for others home use I've been told I would need to have it UL approved
which would mean big $$$$ and they would laugh at me needing the 2
circuits and the box fan(though I have a flexible exhaust pipe idea
that could be set out a window when roasting instead of the box fan).
A rather simple SC/TO homebuilt will do a lb to a little more but the
stirring ability of a stir crazy is lacking.
Commercial roasters around 1kg are quite expensive and built for
commercial all day use. We tend to want something more prosumer like
in build. The Quest is this type of roaster in build quality and thus
a more reasonable price (but does at present have a lack of UL
approval).
-- 
Ed Bourgeois aka farmroast
Amherst MA.http://coffee-roasting.blogspot.com/Homeroast mailing list
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15) From: Michael Mccandless
On Wed, Dec 8, 2010 at 8:05 AM, g paris p  wrote:
<Snip>
Is that the flaming red one or the low cut one with the spaghetti straps?
I just couldn't resist.
McSparky
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16) From: g paris p
Larry:  very neat setup. was it too difficult to modify all for roasting.
where did you get your
instructions or did you do it all yoursef, design that is!
thanks ginny
On Wed, Dec 8, 2010 at 12:01 PM, Larry Dorman  wrote:
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17) From: Larry Dorman
There was a period where here on the forums there were a bunch of us
working on the concept together and each contributing our
improvements.  I wonder if anyone else will see that we're talking
about them again and come out of lurking mode.  :)
The setup is really simple...  (far more so that it might sound)
1) Acquire a stir-crazy popcorn popper (6qt, I believe)  These were
available at Target, but also online for around $25.
2) Acquire a short length of 3/8" copper tubing (the soft stuff) and a
copper cap (forget the size...  3/4"?)
3) Cut the tubing to length so that it fits over the wire stir crazy arms
4) Crimp the tubing flat over the arms...  I used a small vice for this pur=
pose
5) Cut a small slot across the open end of the copper cap... (use a
hacksaw, dremel, etc.) with the goal being that the slot is snug and
will snap on to the slightly exposed stir crazy arms in the center of
the stir crazy.
6) Remove the plastic cap in the center of the stir crazy and replace
it with the copper cap
7) Get an aluminum yard stick and drill a small hole each inch
8) Shape the yard stick so that it fits along the inner lip of the
stir crazy...  there will be about an inch overlap where the ends
meet.  Shape it slightly large so it has a spring effect that keeps it
pressed up against the edge of the lip when in use.
9) Acquire a turbo oven of the right size....  the one I bought was
the sunpentown turbo oven so-2000.  A quick google search shows these
as still available for around $65.
I would recommend buying a pound of Ugh (is that still available?) and
doing a throw-away roast the first time just to christen the entire
setup.  Otherwise, I tend to let the SC heat up first, then add a
pound of beans, and then put the TO on top and set it between 300-330
and let it go for a while (upwards of 10 minutes).  If the roast is
producing a lot of chaff then I'll slightly lift the TO on one edge
and let it burp out a bunch of the chaff... in a worst case, you might
have to pull the TO up and (with a glove) wipe the chaff off the
inside.  Frequently it will have gotten to first crack by this point
and I'll reduce the heat for a short time and then crank it up to
around 360-375 for a period of time... that period depends on whether
I'm shooting for second crack or just wanting to go a little beyond
1st.  All of that said, I get results that I'm pretty happy with...
with profiling and more control of the times and temperatures, I could
probably take the roast quality up a notch.
For cooling I have a small personal fan and a couple large rectangular
cookie/brownie pans...  I'll set the TO back on it's bowl to get it
out of the way and then wearing gloves pick up the entire SC (with
yardstick) setup after unplugging it and dump it on one of the cookie
sheets.  After I get my next roast started I dump the roasted beans
from the first roast onto the second cookie sheet (since they've
transferred a lot of their heat to the first sheet).  The fan blows
across them while they're on the sheets.
I can easily roast a couple pounds in 30 minutes with all of the prep,
roasting, and cleanup factored in.
Feel free to ask questions... I'll do my best to answer them.  I might
also get motivated to take some pictures of my current setup since
it's in my garage.
LarryD
On Thu, Dec 9, 2010 at 2:41 AM, g paris p  wrote:
<Snip>
g.
<Snip>
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18) From: John Nanci
Oh, I just have to disagree with this.  My homemade, well insulated 
'Zen Roaster' can do 1.5 lbs in 14 minutes, and I've maxed it out at 
2.5 lbs with a 17 minute roast.  And it's 120 V. 20 amps, but 120 
V.  Day in day out it does 1 lb at no where near full power.  The 
main reason we don't see it is safety and various safety concerns and 
the cost to bring it to market.
My $0.02 worth.
Alchemist John
At 07:36 AM 12/8/2010, you wrote:
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