HomeRoast Digest


Topic: grills for roasting (9 msgs / 205 lines)
1) From: Sheila Quinn
Now that the weather is finally getting nice, I'm looking at outdoor 
grills. I was thinking I should buy one that could be used for coffee 
roasting someday, in case I ever decide to go that route -- as in the RK 
drum, of course. Are there certain requirements I should know, such as a 
minimum amount of BTUs to be useful for roasting?
Sorry, I can't log into my account, so I am unable to check the archives 
for this info.
Thank you!
Sheila
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2) From: Eddie Dove
Sheila,
Most recent post I can find from Ron Kyle on this is:
"Dennis I like the Brinkman or charm Glow (made my Brinkman) 45K under $200
3 burners and low hood profile.
Good luck with larger drum and let me know if I can be of any help."
I hope this helps ...
Eddie
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Home Coffee Roasting Blog and Referencehttp://southcoastcoffeeroaster.blogspot.com/On Fri, Apr 4, 2008 at 5:53 PM, Sheila Quinn 
wrote:
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3) From: Sheila Quinn
I've looked at a few that have 36,000 total BTU with three burners. Will 
that work, or is it too little power?
Thanks,
Sheila
Eddie Dove wrote:
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4) From: Eddie Dove
Sheila,
Here is an answer that Ron Kyle gave me a long time ago"
" I asked this question of Ron Kyle and here is his response:
here is my opinion, 4lbs 36K minimum 45K better.
I still like the Brinkman 45K in the tub and 12K on the side burner,
same price, sold at wal mart.
Research 45K will use less gas to get the job done.
I have a 36K and 4 lbs maxes it out to get done in 20 to 22 min.
I like grills that have a low profile hood like the Webber and the
Brinkman, Cadilac verses Chevrolet cost wise.
RK"
Hope this helps ...
Eddie
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Home Coffee Roasting Blog and Referencehttp://southcoastcoffeeroaster.blogspot.com/On Fri, Apr 4, 2008 at 7:12 PM, Sheila Quinn 
wrote:
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5) From: Sheila Quinn
Okay, thanks! I will look at better ones.
Eddie Dove wrote:
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6) From: miKe mcKoffee
One thing that is a bit amazing to me is how energy efficient commercial
drum roasters are. My USRC 3k model has 25k BTU burner, yet can do 8# in 15
minutes (or less if not careful going too fast start of 1st to EOR.) Les's
"little brother" USRC .5k is only 5k BTU!
Don't know if they're just tigher and or better insulated, but also think
it's likely active controlled airflow and more convective roasting.
Kona Konnaisseur miKe mcKoffeehttp://www.mckoffee.com/Ultimately the quest for Koffee Nirvana is a solitary path. To know I must">http://www.mcKonaKoffee.comURL 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.
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7) From: RK
Sheila, I have been using a 36K fiesta for 4 years now, its a 2 burner with
a 10K side burner. It does lag a bit in power doing 4lbs, I have to run it
wide open to get in the 20 min target.
RK

8) From: Floyd Lozano
Yes,  a grill has holes on the bottom and on the back, presumably to
vent air up and out to remove smoke from burning grease and such.
Also, grills are very poorly insulated, usually only single walled
stainless steel or enameled steel.  The better grills are much better
- Webers, Ducane (the latter we own, and it's much nicer but again,
more expensive).  Roasters seem to be designed to keep that heat
inside - imagine if around your roaster it was near 400 degrees!  A
grill easily gets very hot on the outside, which basically sinks all
that energy into the surrounding air.  The reason smaller grills
(size, not btu) tend to work better is likely smaller surface area on
the outside through which to lose heat and less loss due to the
venting / convection grill seem to be designed to do.  I've read of
folks that have installed high temperature fiber insulation in their
grills with very good results, but ymmv with that one - the insulation
itself isn't easy to handle, nor necessarily safe.  If you want a
roaster that's designed to behave like a roaster, get a roaster ;)  If
you want something you can afford much more easily and still get the
job done well (though with far less automatic repeatability), get the
grill and drum!  I for one love the drum, but do wish I could afford
the USRC.  One day!
-F
On Fri, Apr 4, 2008 at 9:51 PM, miKe mcKoffee  wrote:
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9) From: miKe mcKoffee
Actually my ponderings were really two fold with one 'why' obvious and the
other not so obvious:
1) Grill/drum vs USRC drum energy inefficiency obvious.
2) Batch size and potential roast times not so obvious. I believe the faster
potential roast times of the USRC, even at slightly over max rated batch
size 8# batch, is at least partially do to the design of (variable) air flow
drawing the roast environments heated air 'through' the solid drum and hence
greater convention. This same design feature allows for using increased air
flow to act as a 'ramp brake' to rapidly slow a ramp by drawing air out of
the roast chamber and drum faster than is being generated if/when desired. 
Kona Konnaisseur miKe mcKoffeehttp://www.mckoffee.com/Ultimately the quest for Koffee Nirvana is a solitary path. To know I must">http://www.mcKonaKoffee.comURL 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
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