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

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Sourcing Materials
jake415	#1 Posted on 02/02/2022 4:13 AM
Newbie Posts: 26 Joined: January 18, 2022	Where do you normally go to get the cylindrical glass for the roasting chamber? I've looked all over and couldn't find a good fit . Sight glasses seem expensive and normal glass wear isn't rated for such high heat. Also, is it easy to get 350g roasters to run off of a normal 120V 18A outlet? The wattage of the heating element seems to leave little room for the air pump, etc.


wbbh	#2 Posted on 02/02/2022 12:49 PM
Newbie Posts: 23 Joined: February 21, 2009	I bought a 4 inch diameter by 12 inch long Roasting Chamber here: https://www.aliex...4c4dT9qUzi You may find it cheaper and or with better shipping than the current price. Edited by renatoa on 02/02/2022 12:58 PM


jake415	#3 Posted on 02/03/2022 1:54 AM
Newbie Posts: 26 Joined: January 18, 2022	Thanks for the link, sight glasses look great but are expensive. I'm hoping to find a cylinder of glass by itself which is heat resistant - hoping that will lower the price.


renatoa	#4 Posted on 02/03/2022 4:06 AM
Administrator Posts: 2430 Joined: September 30, 2016	French press 1l spare glass. 9 cm diameter, but not enough volume for 350g.


CharcoalRoaster	#5 Posted on 02/03/2022 7:47 AM
1 1/2 Pounder Posts: 634 Joined: April 13, 2012	Pyrex Bake-a-Round Accessible and affordable! I've been using them for years and they work great for FB roasters. I currently roast 800g in mine (240v 30a @ 55-65% power source however) https://www.ebay....SwYdRh8~-D


oldgrumpus	#6 Posted on 02/03/2022 8:08 PM
1/4 Pounder Posts: 160 Joined: July 25, 2012	Here's another choice: https://www.brews...imney.html Clever Coffee Dripper Grinder: Macap M4 Roaster: Completed drum roaster project photos shown here: Photos https://goo.gl/ph...Da6K4wfqw5 Videos https://www.youtu...Bd1NrdpSUH


greencardigan	#7 Posted on 02/03/2022 11:15 PM
1 1/2 Pounder Posts: 1162 Joined: November 21, 2010	I used standard glass on my large air roaster. I cut the base off a heavy glass cylindrical flower vase. All good so far during it's 40ish roasts to date.


jake415	#8 Posted on 02/12/2022 5:09 AM
Newbie Posts: 26 Joined: January 18, 2022	Thanks, this is all really helpful. It's good to know that there are several legitimate & low-cost options out there. I just bought a bake-a-round


hstan4	#9 Posted on 06/23/2022 11:52 AM
Newbie Posts: 21 Joined: July 16, 2020	I ordered a 4� tri clamp sight glass from AliExpress but the glass broke and I�m looking to replace it. Does this seem like it would suffice as a replacement? https://m.aliexpr...f7f905367a The option I am looking at is 120mm for OD but the original item is 119mm for the OD so I�m not sure if 120mm is an estimate and Would fit 4� tri clamps or if I should get 115mm OD. Does leaving a little room with the 115mm on the sides of the clamps make any difference? Edited by hstan4 on 06/23/2022 11:29 PM


progen	#10 Posted on 07/22/2022 4:10 PM
1/4 Pounder Posts: 60 Joined: December 17, 2019	And that's why I gave up the glass cylinder approach and since my modified oven was already doing 600 gram batches, I decided to up the game to an Artisan 3E wannabe in terms of power and batch size but driven by a regenerative blower. Results were fantastic and so I upgraded certain parts and now I'm doing 3kg batches.

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