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Homeroasters - Home Roasting Coffee Community » BUILDING A ROASTER » Fluidbed Roaster

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Page 12 of 12: 1...9 10 1112

CoffeeAir II Roaster Build
seedlings	#276 Posted on 05/27/2011 7:51 AM
1 1/2 Pounder Posts: 4226 Joined: June 27, 2007	Test roast fail. Lost a caulk seam. CHAD Roaster: CoffeeAir II 2# DIY air roaster Grinder: Vintage Grindmaster 500 Brewers: Vintage Cory DCU DCL, Aeropress, Press, Osaka Titanium pourover


JETROASTER	#277 Posted on 05/27/2011 8:05 AM
Administrator Posts: 1780 Joined: March 06, 2010	Merely a setback. Did that effect CFM ? -Scott


seedlings	#278 Posted on 05/27/2011 10:25 AM
1 1/2 Pounder Posts: 4226 Joined: June 27, 2007	Quote freshbeans wrote: Merely a setback. Did that effect CFM ? -Scott I'm sure it did. Have to wait 24 hours so I don't blow it again. Retest tonight. CHAD Roaster: CoffeeAir II 2# DIY air roaster Grinder: Vintage Grindmaster 500 Brewers: Vintage Cory DCU DCL, Aeropress, Press, Osaka Titanium pourover


seedlings	#279 Posted on 05/30/2011 3:26 PM
1 1/2 Pounder Posts: 4226 Joined: June 27, 2007	A bar was required across the hopper to keep it from losing heat flowing underneath - the hopper would bounce on occasion from the pressure under 1.2 kilograms (2.65 pounds). Also had to redo the hole pattern. It had the correct number of 1/8" holes, but the holes were spread out over 4 square inches. I had to condense the same number of holes into about 2 square inches for the coffee to circulate properly. After all that, the roaster can roast 2.65 pounds to second crack in just under 20 minutes. It can roast 1.75 pounds to second crack in 14 minutes. Hope the customer is satisfied because the next step would have to be adding heat element(s). CHAD Roaster: CoffeeAir II 2# DIY air roaster Grinder: Vintage Grindmaster 500 Brewers: Vintage Cory DCU DCL, Aeropress, Press, Osaka Titanium pourover


seedlings	#280 Posted on 08/09/2016 11:15 AM
1 1/2 Pounder Posts: 4226 Joined: June 27, 2007	Update Every so often I get an email or message about this original CoffeeAir II project from 2010. I'm still using it 6 years later in 2016. The only thing I've had to do as far as maintenance is replace one of the two heat elements. CHAD Roaster: CoffeeAir II 2# DIY air roaster Grinder: Vintage Grindmaster 500 Brewers: Vintage Cory DCU DCL, Aeropress, Press, Osaka Titanium pourover


beaningoflife	#281 Posted on 08/13/2019 12:29 PM
Newbie Posts: 1 Joined: August 12, 2019	Quote seedlings wrote: To bond the board, I'm using VersaChem Clear Silicone from Oreilly Auto Parts: http://www.oreill...;ppt=C0137 The cement board is really easy to work with for me... you can see my cuts aren't perfect, but with 1/4" thickness, just add some silicone. CHAD It looks like the product link has changed: https://www.oreil...30?q=12007 Now that it's been some time since the build, how's the silicone held up and is there a reason why the switch from the high-temp red rtv (used in prior builds) to the clear? Halfway through a cement board heating element enclosure that will need to hold pressure from vac blower and considering the following products: https://www.homed.../202218156 https://www.amazo...B01F9HCCFE Also have on hand the permatex high-temp red rtv gasket maker in a tube... any advice appreciated, Jake

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