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Topic: Where Can I find......? (13 msgs / 212 lines)
1) From: Ben Treichel
Hey All,
I'm looking for a 3 or 4 inch vent T not in galvanized. Anybody got an 
idea?
Ben
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2) From: Dan Bollinger
Some higher end fittings are stainless. Try a supplier for HVAC contractors.
I can also point you to SS dust collector ducting.  Dan
<Snip>
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3) From: floyd burton
I am also looking for something this I think-is this the duct work
connection found on registers low on walls?.  This is on my search list
today-am thinking I may find something made from AL.  What is your app-want
to use mine to collect roasted beans when the roast is finished-will be
placed under the roasting drum so will have to work in 450F temps.  Wonder
if AL would work for that app.

4) From: AlChemist John
Sometime around 07:01 2/22/2003, Ben Treichel typed:
<Snip>
Sorry, I am not sure what you mean.  I have seen lots of metal fab shapes 
recently so may be able to help if you want to expand your request.  Just 
being a curious lot, what for?
--
John Nanci 
AlChemist at large
Roasting and Blending by Gestalt
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5) From: ginny powell
Ben,
go to a local fabricator and they usually have them laying around in
stainless, I have seem them in black non-galvie the kind you use to stove
pipe assembly my guy in town has made virtually anything I have drawn up...
you will be surprised that such thing are not expensive to have made
gin

6) From: Ben Treichel
What I want to do is to take the guts from two hot air roasters and tee 
them, and then place the roasting chamber on top of the tee. A wb II has 
enough fan to handle 4 oz of green, so I'm figuring that if I combine 
two heater fan pods that I will get in the 1/2 lb range. I figure I will 
need only one heater, but both fans. This way I end up with a cheap 4 to 
8 oz air roaster.
AlChemist John wrote:
<Snip>
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7) From: Dan Bollinger
Ben, what you want is a 'Y'.  I'll get the name and address of where you can
order just one in any size.  Dan
<Snip>
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8) From: Ben Treichel
Yes that is better. Great! Thanks.
Dan Bollinger wrote:
<Snip>
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9) From: David Westebbe
<Snip>
<Snip>
Keep in mind that the openings into the roast chamber are a bottleneck, even
with only one fan.  Likely you will need to open up the holes a bit.
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10) From: AlChemist John
Sometime around 07:30 2/22/2003, Ben Treichel typed:
<Snip>
I considered this but never got around to the design.  Please let us know 
how it works.
--
John Nanci 
AlChemist at large
Roasting and Blending by Gestalt
homeroast mailing listhttp://lists.sweetmarias.com/mailman/listinfo/homeroast

11) From: Tom Gramila
Ben,
	I (and probably plenty others ...) will be very interested to find
out how this goes.  Sounds like a neat idea.  I would guess that the key
to getting this to work would be the design of the roast chamber.  By
combining the two units they way you are planning, I think you should get
twice the airflow, but the pressure that you deliver that air will be the
same as for a single units. The place that this matters most, I think, is
in the height of the bean mass that can be moved effectively.  (you 
essentially need enough pressure to lift the beans...)
	My experience with WBII and then WBI suggests that the fan
pressure really matters alot.  Are you planning to have a larger area
chamber?  I'm reluctant to make predictions on someone else's project, but
I would guess that if you kept the chamber diameter the same you would not
get anywhere near twice the capacity.  My first stab would be twice the
chamber cross sectional area for two sources.  -- I have begun to wonder
about a good design principles for a roast chamber, so please do keep us
posed on what you learn!!
Tom Gramila
On Sat, 22 Feb 2003, Ben Treichel 
wrote:
<Snip>
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12) From: Ben Treichel
Actually I have calculated what a double area (P*r^2) would be for the 
chamber. Right now I'm going to try a hurricane lamp and see if when it 
bellies out if allows for a good fountaining action.
Also, got a big score today. Got an original Poppery and  Popcorn pumper 
for $4 total. Going to play around with them, and maybe sell the wb I on 
Ebay if they are still getting the ridiculous prices.
Tom Gramila wrote:
<Snip>
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13) From: Ed Needham
Ben...the double lined vents have stainless inside.  Find a double lined tee
and your all set.
Ed Needham
To Absurdity and Beyond!http://www.homeroaster.comed
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