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Topic: Yama plus Cona rod (19 msgs / 390 lines)
1) From: Wally Merrin
I have been thinking about buying a Yama 8 cup brewer for those times  
when one cup isn't enough.  I'm not familiar with the Cona rod, other  
then looking at it on the SM web vacuum brewer page.  What is the main  
advantage of the Cona rod - is it a matter of not messing with cloth  
filters, or does the rod improve the coffee?  I wasn't considering it  
at first, but the thread about chains breaking on the 8 cup model made  
me wonder about adding it to the order.
Thanks,
Wally
==
Wally Merrin
wmerrin
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2) From: Douglas Hoople
Hi Wally,
I've been on the other threads raving about my Yama 5-cup, with the Cona
rod. I haven't even tried with the original filter, but can only imagine
that it would be messy to clean up and might taint the coffee over time
without the right kind of care.
The Cona rod is totally trouble-free and, obviously, cleanable.
The coffee I'm brewing with this combination is heavenly.
Good luck!
Doug
On Tue, Jan 20, 2009 at 8:45 PM, Wally Merrin  wrote:
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3) From: Barry Luterman
The rod is glass and as such does not retain any coffee oils. Coffee oils if
allowed to build up become rancid and effect the brew. Cleaning the Cona rod
simply takes a soapy sponge and a rinse. The downside is it is more
susceptible to stalling if the grinds are not uniform. That brings us back
to the first rule of coffee preparation. Grinder first.
On Tue, Jan 20, 2009 at 6:45 PM, Wally Merrin  wrote:
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4) From: Bob Glasscock
I've been using the Yama 8-cup for about 8 months or so. At first I was a
little frustrated with slow brews with the Cory rod that I had purchased via
ebay, so I went back to the cloth filter - for a while. I kept experimenting
with grinds (Baratza Maestro plus) and the Cory rod until I got it working
consistently. At one point I purchased the Coma rod, thinking maybe I had a
bad Cory. The problem I had with the Coma was it is almost an ounce lighter
than the Cory, and given the same brewing parameters, it tended to explode
up out of the (north) pot - kind of messy. I am sure that with some more
experimenting I could make it work, but for now the Yama/Cory combination
has worked best. There are times, however, when I have to nudge the rod
slightly to get the brew to flow south. I can't pin it down, but it could
have something to do with the type of bean and type of roast. There are too
many variables to boil it down to an exact science. It does ultimately make
an awesome brew, and the journey has been enjoyable. -Bob Glasscock.

5) From: Bob Luis
I have a Yama 8 cup brewer. Is there a certain size of Cory rod for it? It
looks like there a different lengths?
On Wed, Jan 21, 2009 at 2:20 PM, Bob Glasscock wrote:
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6) From: Barry Luterman
I think they are all the same length it is just the decorative tops that are
different.
On Wed, Jan 21, 2009 at 4:40 PM, Bob Luis  wrote:
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7) From: Ben Lowery
Hey Bob,
I'm having the same trouble with the glass rod, very slow draw downs.
Was there anything in particular that helped speed up the process?
Also, how much of the water that you put in the pot ends up as coffee?
Right now, (I have a 5-cup) I'm putting in 5 and getting back about
4.25.
Thanks!
On Wed, Jan 21, 2009 at 5:20 PM, Bob Glasscock  wrote:
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8) From: Wally Merrin
On Jan 21, 2009, at 9:40 AM, Barry Luterman wrote:
<Snip>
Ok, thanks.  It sounds like it is probably an improvement over washing  
the cloth filter.
<Snip>
So far, my new Rocky seems to be doing an ok job and hopefully, it  
will continue to do so.  The Yama sounds like a good solution to my  
occasional need for larger coffee batches.
Thanks,
Wally
==
Wally Merrin
wmerrin
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9) From: Jim Wilson
Barry opined:
The rod is glass and as such does not retain any coffee oils. Coffee oils if
allowed to build up become rancid and effect the brew. Cleaning the Cona rod
simply takes a soapy sponge and a rinse. The downside is it is more
susceptible to stalling if the grinds are not uniform. That brings us back
to the first rule of coffee preparation. Grinder first.
~~~I have to agree with Barry in regards to the grinder.  I just responded to Wally's post in another reply and I forgot to mention the grinder aspect.  I'm going to guess that those that are experiencing stalling vac pots (pots that don't drain in a reassonable time or stall altogether) are using a grinder that does not grind consistently.  The grinder I bought (used) for my espresso machine use (when I first got into this wonderful hobby) is a Ranchilio MD-50.  I'm sure there are way better grinders out there but this well used model I have (it's been around the block and came back for more= : - ) certainly meets what I would call 'the minimum standard' for espresso
So I think those having stalling issues, look to your grinder to rectify rather than the filter technique.  But, if a $27 Cona Rod filter filters better than the oe cloth filter the Yama Vac Pot comes with, $27 is way cheaper than a used commercial quality grinder= : - )  Others may have better and different ideas 
Jake
Reddick Fla.
On Tue, Jan 20, 2009 at 6:45 PM, Wally Merrin > wrote:
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10) From: Rich Adams

11) From: Barry Luterman
Rocky is an excellent grinder for a Vac pot.You should get great results
with no stalling.
On Wed, Jan 21, 2009 at 6:47 PM, Wally Merrin  wrote:
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12) From: Douglas Hoople
I'm using the 22 oz. of water that Tom recommends, which is a 2 oz. sliver
above the 5-cup line. When the brew finishes, that sliver disappears,
meaning I lose 2 oz of water to the grinds, which seems reasonable to me.
Doug
On Wed, Jan 21, 2009 at 7:50 PM, Ben Lowery  wrote:
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13) From: Bob Glasscock
Hi Ben,
Apparently you lose some to absorption by the grounds and some to
evaporation. On my 8-cup I pour nearly boiling water to about 8-1/4 mark
(about 42 oz.) and use medium heat until the water saturates to grounds,
then turn down to low to complete the perc. This normally will yield roughly
an 8-cup pot. Assuming your cups are 5oz, you're losing about 3oz, I think.
As for fixing a slow brew - Barry nailed it: "grinder first." 
-Bob

14) From: Wally Merrin
Thanks for all the comments in the Yama threads, they help a lot.  I  
think I'll probably get a glass rod with the order and try it both  
ways, just to have options.
Thanks everybody,
Wally
==
Wally Merrin
wmerrin
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15) From: Allon Stern
On Jan 22, 2009, at 12:30 PM, Douglas Hoople wrote:
<Snip>
Angel's share :)
-
allon
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16) From: Ben Lowery
On Thu, Jan 22, 2009 at 8:00 PM, Bob Glasscock  wrote:
<Snip>
Woohoo! Figured it out!
After a few folks mentioned letting it perc for a bit to ensure a good
vacuum, this last attempt I left my burner on low instead of simmer
(it's gas) and let the thing bubble for a good minute. Pulled the pot
off the heat, waited a few seconds and then had a lovely 1:30 draw
down past the glass rod and a lovely pot of coffee. So for me, it was
just not generating enough vacuum. I retested things with the
KitchenAid ProLine and it's working beautifully now, glass rod and
all.
Thanks everyone for their advice and help!
--ben
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17) From: raymanowen
"...a $27 Cona Rod filter filters better than the oe cloth filter the Yama
Vac Pot comes with, $27 is way cheaper than a used commercial quality
grinder"
But- the used commercial grinder works very well for many brew methods, the
rod only works for one.
They're easier to drop than the toy grinders, but the shiny toys make good
decoys for loaners...
Cheers, Mabuhay and mabuting cafe sa inyong Lahat -RayO, aka Opa!
-- 
"When the theme hits the bass, I dance the Jig!" - -Virgil Fox at the Mighty
Wichita (ex- NYC Paramount) WurliTzer- 1976
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18) From: Angelo
The only time I've had a stall with a vac pot was when I used a glass 
rod. It was scary. I was afraid that it would implode. I don't intend 
to go through that again.
If you folks don't like the idea of using cloth filters, there are 
stainless steel filters that resemble the cloth filters (spring and 
all). I got one of these with my Nikro knock-off SS pot that I got in 
a Chinese restaurant supply place.
Angelo
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19) From: Michael Irrera
The only time I had a complete stall, I just put the heat back on  
until the pressure was equalized, and removed the rod.
That batch went into the sink, as it was overextracted. But if I'd  
done it more quickly, I could have strained it through a SwissGold  
filter to save it.
-AdkMike
On Jan 24, 2009, at 1:54 PM, Angelo  wrote:
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