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Homeroasters.org » BUILDING A ROASTER » Fluidbed Roaster
Who is here? 1 guest(s)
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air roaster
dja
here's where I am ar with this roaster idea that I have had for quite sometime. anyway I started this thing out after buying the pyrex tube that you will see in the included photo.

Anyway the thing is going to hopefully work basicly like a giant hot air popper, I tried it with about a pound of greens throwed in it, usign the shop vac to blow the beans around, had good circulation, so I will just have to see.

Anyway here's a picture of what i am trying to do.
dja attached the following image:
roaster-pic3.jpg

Edited by dja on 08/28/2010 21:17
I pour Iron and roast Coffee BeansThumbsUp
If life seems normal your not going fast enough Mario Andrette
 
Koffee Kosmo
Very good job

I am yet to start my air roaster that is based on Roaster Robs design
However at this stage I am still loving the results I am getting from my Hybrid Turbo roaster

KK
My web site > koffeekosmo.com.au I home roast and I like it :P
Blog - http://koffeekosm...gspot.com/
Bezzera Strega: BNZ MD74 Grinder: 5 Box hand grinders: Pullman Tamper Convex: (KKTO) Turbo Oven Home Roaster: CONA Glass Rod Syphon: Pyrex Brewer:
 
koffeekosmo.com.au
Unta
very similar to a sketch I did a few months back when chad was designing his electric air roaster...just remember to gasket that glass in the top and bottom plates, it will expand. Awesome fab job.
sean
Unta attached the following image:
2lbroasterificcontrolomaticderyier.jpg

Edited by Unta on 08/29/2010 03:35
Sean Harrington
educate.
 
http://www.untacoffee.com
allenb
Ditto on the great fab job!

What is your plan for dumping and heat source?

Allen
1/2 lb and 1 lb drum, Siemens Sirocco fluidbed, presspot, chemex, cajun biggin brewer from the backwoods of Louisiana
 
seedlings
I am going to love watching this beast come together!

CHAD
Don't put the cart before the horse. Put the horse in the cart and listen to him say "weeeee" all the way down the hill.
 
freshbeans
Looks very elegant! ....Video friendly in fact! -Scott
 
seedlings
David, what's the bottom plate look like where the air comes up into the tube?

CHAD
Don't put the cart before the horse. Put the horse in the cart and listen to him say "weeeee" all the way down the hill.
 
dja
here is what the (lets call it) the middle section. Looks like.
there is a peice of screen wire which is helt into the recess you see cut into the bottom of the part in the picture, it is helt in place by an aluminum ring that is helt in place by two set screws. right now the only change I see to the way it works is to change the screen from hardware cloth to stainless steel from Small Parts.com.
Once I am able to control the air flow I will know if I will have to change this to something else. so right now no reason to get expensive and buy the good stuff yet.
dja attached the following image:
roaster4_1.jpg

Edited by dja on 09/03/2010 06:20
I pour Iron and roast Coffee BeansThumbsUp
If life seems normal your not going fast enough Mario Andrette
 
dja
top side of middle section, as they say at NASA the bean side.
dja attached the following image:
roaster5_1.jpg

Edited by dja on 09/03/2010 06:21
I pour Iron and roast Coffee BeansThumbsUp
If life seems normal your not going fast enough Mario Andrette
 
seedlings
Wow. I lust for fabrication skills. Brilliant!

(waits for video)

CHAD
Don't put the cart before the horse. Put the horse in the cart and listen to him say "weeeee" all the way down the hill.
 
dja
to answer Allen's question about dumping.
the top just sits on the heat section which is the bottom 4.5 inch tube, the top is heavy enough to sit there without moving, plus it sits in a 1/4" deep recess that I cut in the top plate of the heater section.
From what I learned yesterday I will be able to bring the air in from the side, and not have to go up thru the bottom which I didn't want to do as it would of added another 6" in height to the thing, and as it is its almost 3' tall (add some lights and call it a Xmas tree).
how to mount the heat coil, gonna have to cut the thing up and weld it inside that steel tube, then figure out how to string it for maximum coverage with the shortest possible amount of NiChrome. plus I need to find some ceramic pass thru insulators, of I guess I could just do it Junkyard and let the wires hang out the bottom, I already have a hole there that I used to bolt the plates together so I could mill em to the same size.

oh yea one more thing, anymore questions?


Now if I could just get back to melting Iron!
Edited by dja on 09/03/2010 06:41
I pour Iron and roast Coffee BeansThumbsUp
If life seems normal your not going fast enough Mario Andrette
 
dja
while two of the last three brain cells were figthing for ownership of my body the other one has I think figured out how to mount the heating coil into the heater section of this nightmare that I have launched myself adrift in.

My main problem is I have about 6 feet of 19 gauge NiC coiled wire, now if I just start hacking on this I will end up with a whole bunch of little useless peices, and to the same point if I cut it in half I will either have two peices that won't make enough heat which I am going to have to start triming on and then we have the little short useless peices,

I guess just close my eyes and cut the thing didn't cost me anything, so if I stat long and keep shortening it somewhere I will find the correct length.
I pour Iron and roast Coffee BeansThumbsUp
If life seems normal your not going fast enough Mario Andrette
 
dja
and I quote
The roaster-chamber base; Is that a little something you popped out of a CNC? Great funnel shape!! -Scott

no it wasn't cut on a CNC Machine, I turned it on a 9X20 lathe that I have.
The shape and size of the cone actually came from a plastic funnel that I bought at the grocery store and cut to fit inside the Pyrex tube and into a hole that was originally in the bottom plate on the tube.
the recess in the bottom came from the fact that I didn't want to have to turn almost and inch off of the bottom to thin it down, which would of left me with a one peice roaster, as it is I am easily able to change the screen to a differant size of from screen to a perferated plate. and it has a soft connection that dosen't require any latches due to the weight keeping it together.

have a nice day



I pour Iron and roast Coffee BeansThumbsUp
If life seems normal your not going fast enough Mario Andrette
 
freshbeans
Dan posted this link recently. It's a great candy store plus some good charts and info. http://www.infrar...aters.com/
Edited by freshbeans on 09/04/2010 06:56
 
dja
found that site like 4 years ago
I pour Iron and roast Coffee BeansThumbsUp
If life seems normal your not going fast enough Mario Andrette
 
dja
matter of fact I need to order up some high temp wire and terminals from them, gotta be safe when playing with roasters you know
I pour Iron and roast Coffee BeansThumbsUp
If life seems normal your not going fast enough Mario Andrette
 
Unta
yeah the whole privacy content thing is confusing..ive had my fair share of problems with it. video worked...movement looks good!how are you controling air flow?
sean
Sean Harrington
educate.
 
http://www.untacoffee.com
allenb
dja wrote:

My main problem is I have about 6 feet of 19 gauge NiC coiled wire, now if I just start hacking on this I will end up with a whole bunch of little useless peices, and to the same point if I cut it in half I will either have two peices that won't make enough heat which I am going to have to start triming on and then we have the little short useless peices,



What voltage, 220, 221? What wattage?
1/2 lb and 1 lb drum, Siemens Sirocco fluidbed, presspot, chemex, cajun biggin brewer from the backwoods of Louisiana
 
dja
Unta wrote:
yeah the whole privacy content thing is confusing..ive had my fair share of problems with it. video worked...movement looks good!how are you controling air flow?
sean


In the video I was trying to control by bleeding air off by holding the vac hose to the side, that won't work in the real world so vac will be plugged into the trusty variac.

Allenb wrote:
What voltage, 220, 221? What wattage?
I have to get the new cage build up for the NiC first, gonna make it adjustable length wise so I can shorten the NiC accordingly, then I'm gonna chop off a third of the coil and go from there, and its gonna be 220 VAC, I would rather have too much heat than barely enough.:Clap:
Edited by dja on 09/04/2010 22:03
I pour Iron and roast Coffee BeansThumbsUp
If life seems normal your not going fast enough Mario Andrette
 
dja
AllenB, if you have a Sunbeam C-30 the guy at DaySeal has the new gaskets for them, anyone else out there that has this coffee maker and would like a new gasket contact www.DAYSEAL.com check out this site.
Edited by dja on 09/09/2010 19:53
I pour Iron and roast Coffee BeansThumbsUp
If life seems normal your not going fast enough Mario Andrette
 
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Member Poll
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ginny
08/03/2015 17:04
remember to start a new thread with your personal setup. beach

ginny
08/03/2015 16:58
adding photos to new forum, show off your stuff, has been fixed to allow attachments, sorry... limb

ginny
08/03/2015 06:04
bobbooks Welcome enjoy...

allenb
08/02/2015 17:24
Hobojangles Welcome

ginny
08/02/2015 15:08
kaffeine welcome cup thanks for joining us...

ginny
08/02/2015 15:07
HenryMus welcome2 enjoy the forums...

ginny
08/02/2015 15:06
Hey Gary, thanks for the great idea you have inspired. Welcome to your new forum: http://www.homero.
..rum_id=222
:smiley-

Koffee Kosmo
08/01/2015 20:47
I want all Turbo Oven Roaster enthusiasts to come out of the woodwork

GaryatGala
08/01/2015 05:56
I'm working on a formula for a mocha ice cream for the next Affogato recipe...

Koffee Kosmo
07/31/2015 16:52
That sounds like something interesting to try Gary

ginny
07/31/2015 14:13
hi guys, nice to see you all today, HAVE A SUPER DUPER WEEKEND... party

freshbeans
07/31/2015 09:55
Welcome quinine

GaryatGala
07/31/2015 03:57
Affogato of Frangelico, Bailey,s irish cream and Amaretto ice cream on top of double espresso anyone? tikibar

ginny
07/30/2015 08:26
Scott sounds wonderful, will try it later today... thanks. g party

freshbeans
07/30/2015 06:14
Café du Monde, sweetened, condensed milk, splash of Sazerac over ice. Exquisite.