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Topic: judging bean density (3 msgs / 127 lines)
1) From: kevin creason
Beside my cherished stash of Sweet Marias coffee (just about 20# I think) I
have been given some other stuff. I've been using this other stuff for my
gifting coffees since most people won't notice the difference between that
El Salvador and the explosive El Salvador Orange Bourbon, etc.
without Tom's notes, I just sort of blindly roast and turn the beans brown
with my RK, shooting for a FC to start with. I'm new to the whole RK thing,
too. It's fun, but I'm not certain on my heat profiling yet.
First- how do I judge a green bean's density? Thumbnail and forefinger? What
bean would a good example of a dense bean? Less dense bean?
I have SM's Mexico Chiapas (excellente!), Australia, Panama MCG, El Sal OB,
um, some others (dang it! why didn't I finish entering my beans into the
palm software)... and some decafs.
The gifted coffees include some boring espresso blend, columbia, el sal,
costa rica, sumatra, and some others. They really are less stellar.
And lastly... how do you all tweak your profile based on bean density? more
dense is more aggressive heat curve I think I saw a poster write recently.
-- 
-Kevin
Admit your errors before someone else exaggerates them. - Andrew V. Mason
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2) From: John Despres
Hi Kevin.
As a general rule, altitude is your first clue. If you know where the =
bean is grown, you can find the altitude. This is the first part of =
study when I prepare to roast a new bean.
Hard beans - Grown above 5000 feet - Examples: Kenyas, Guatamala SHB
Medium hard beans grown between 3500 and 5000 feet - Examples: Brazil, =
Java, Sumatra, most Latin American coffees
Soft beans - grown below 3500 feet - Examples: Hawaiian, Caribbean
Harder beans have a very shallow seam while soft beans have a deep seam, =
allowing heat to the center of the bean faster. Each type of bean =
requires a different profile to reach optimum flavors.
Hope this helps.
John
kevin creason wrote:
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at
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-- =
John A C Despres
Hug your kids
616.437.9182
Scene It All Productions 
JDs Coffee Provoked Ramblings =
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3) From: Robert Yoder
Hi John,
 =
That's the first time any of this has made any sense to me!  Thanks very mu=
ch for such a clear, simple, informative post!
 =
robert yoder> Date: Wed, 20 Feb 2008 20:23:11 -0500> From: john=
roductions.com> To: homeroast> Subject: Re: [Ho=
meroast] judging bean density> > Hi Kevin.> > As a general rule, altitude i=
s your first clue. If you know where the > bean is grown, you can find the =
altitude. This is the first part of > study when I prepare to roast a new b=
ean.> > Hard beans - Grown above 5000 feet - Examples: Kenyas, Guatamala SH=
B> > Medium hard beans grown between 3500 and 5000 feet - Examples: Brazil,=
 > Java, Sumatra, most Latin American coffees> > Soft beans - grown below 3=
500 feet - Examples: Hawaiian, Caribbean> > Harder beans have a very shallo=
w seam while soft beans have a deep seam, > allowing heat to the center of =
the bean faster. Each type of bean > requires a different profile to reach =
optimum flavors.> > Hope this helps.> > John> > kevin creason wrote:> > >Be=
side my cherished stash of Sweet Marias coffee (just about 20# I think) I> =
<Snip>
 >gifting coffees since most people won't notice the difference between tha=
t> >El Salvador and the explosive El Salvador Orange Bourbon, etc.> >> >wit=
hout Tom's notes, I just sort of blindly roast and turn the beans brown> >w=
ith my RK, shooting for a FC to start with. I'm new to the whole RK thing,>=
 >too. It's fun, but I'm not certain on my heat profiling yet.> >First- how=
 do I judge a green bean's density? Thumbnail and forefinger? What> >bean w=
ould a good example of a dense bean? Less dense bean?> >I have SM's Mexico =
Chiapas (excellente!), Australia, Panama MCG, El Sal OB,> >um, some others =
(dang it! why didn't I finish entering my beans into the> >palm software)..=
. and some decafs.> >The gifted coffees include some boring espresso blend,=
 columbia, el sal,> >costa rica, sumatra, and some others. They really are =
less stellar.> >> >And lastly... how do you all tweak your profile based on=
 bean density? more> >dense is more aggressive heat curve I think I saw a p=
oster write recently.> >> > > >> > -- > > John A C Despres> > Hug your kids=
<Snip>
s.com/>> > JDs Coffee Provoked Ramblings > > > >> =
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