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

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Bake a round duo dimensions
Gullygossner	#1 Posted on 09/10/2020 10:40 PM
1/4 Pounder Posts: 79 Location: Joined: January 06, 2019	These units seem hard to come by in Canada. I was wondering if someone could share the dimensions (od, height and thickness) of a bake a round duo unit.


renatoa	#2 Posted on 09/11/2020 5:27 AM
Administrator Posts: 1675 Location: Joined: September 30, 2016	From Amazon listed items description seems like 14 inches x 3 1/2 inches in diameter, no clue about wall thickness, I guess 5 mm. Check tri-clamp tubes on Aliexpress, there are builds here based on such hardware. You can also consider Coleman lantern glassware, the M size is 88mm OD 80 mm ID, closest to BaR. Edited by renatoa on 09/11/2020 5:57 AM


Scorchy	#3 Posted on 09/11/2020 6:31 AM
Newbie Posts: 11 Location: Joined: January 12, 2020	Hang tight, Gully - I'll head out to the shop later with some calipers and get you exact dimensions. Interesting that you included "Duo" in the name. I've not come across that before, although I see eBay listings with the "Duo" name included, and they all look like the standard old BaR. But "duo" refers to a pair of something, so ... what am I missing I wonder? Does "duo" refer to the tube and its holder as a pair?


snwcmpr	#4 Posted on 09/11/2020 6:51 AM
1 1/2 Pounder Posts: 919 Location: Western NC Joined: March 03, 2011	Some came as a 'Pair'. I have one, a rack to carry both came with it. -------------- Backwoods Roaster "I wish I could taste as well as I wish I could roast." As Abraham Lincoln said "Do not trust everything you read on the internet".


Gullygossner	#5 Posted on 09/11/2020 8:06 AM
1/4 Pounder Posts: 79 Location: Joined: January 06, 2019	Quote Scorchy wrote: Hang tight, Gully - I'll head out to the shop later with some calipers and get you exact dimensions. Interesting that you included "Duo" in the name. I've not come across that before, although I see eBay listings with the "Duo" name included, and they all look like the standard old BaR. But "duo" refers to a pair of something, so ... what am I missing I wonder? Does "duo" refer to the tube and its holder as a pair? Yes the "duo" came in a two pack and was shorter and slightly smaller od. I think the standard bake a round had an od of 3.5" and a height of 14" but information on the duo is harder to come by. I am wanting an extension for a poppery I roaster and the duo fits the unit perfectly and is proven by past members to work. I can measure the id of the poppery I but I'm not sure what thickness of glass to go after.


Scorchy	#6 Posted on 09/11/2020 9:49 AM
Newbie Posts: 11 Location: Joined: January 12, 2020	Ah, interesting! OK, I can still measure the glass thickness on the non-duo version if you'd like.


Gullygossner	#7 Posted on 09/11/2020 10:51 AM
1/4 Pounder Posts: 79 Location: Joined: January 06, 2019	Quote Scorchy wrote: Ah, interesting! OK, I can still measure the glass thickness on the non-duo version if you'd like. Can't hurt, gives me a reference. I have a contact who can do borosilicate glass so thinking I may see what he can make.


Scorchy	#8 Posted on 09/11/2020 12:07 PM
Newbie Posts: 11 Location: Joined: January 12, 2020	I'm getting around 2.30mm.


renatoa	#9 Posted on 09/12/2020 8:11 AM
Administrator Posts: 1675 Location: Joined: September 30, 2016	Quote Gullygossner wrote: ... I am wanting an extension for a poppery I roaster and the duo fits the unit perfectly and is proven by past members to work. I can measure the id of the poppery I but I'm not sure what thickness of glass to go after. What do you mean extension for a popper? Glass on top of original tin roast chamber ? Stacked or telescopic fitting? Do you have handy an example how this was been already done ? Thank you !


Gullygossner	#10 Posted on 09/12/2020 1:38 PM
1/4 Pounder Posts: 79 Location: Joined: January 06, 2019	Quote renatoa wrote: Quote Gullygossner wrote: ... I am wanting an extension for a poppery I roaster and the duo fits the unit perfectly and is proven by past members to work. I can measure the id of the poppery I but I'm not sure what thickness of glass to go after. What do you mean extension for a popper? Glass on top of original tin roast chamber ? Stacked or telescopic fitting? Do you have handy an example how this was been already done ? Thank you ! Post #2 of the thread linked below shows what I am trying to achieve. https://forum.hom...ead_id=270


renatoa	#11 Posted on 09/12/2020 2:30 PM
Administrator Posts: 1675 Location: Joined: September 30, 2016	Got it, thank you ! Not apply to poppers models available here... and too much tinkering, imo. Edited by renatoa on 09/12/2020 2:59 PM


Gullygossner	#12 Posted on 09/23/2020 11:19 AM
1/4 Pounder Posts: 79 Location: Joined: January 06, 2019	Just for post completeness I would like to add that I was able to find a suitable chimney through a glassware maker at a local university. The nominal dimensions of the tube are 75mm x 2.3mm thick, cost me $40 and works a treat!

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