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Bake A Round Alternatives
Gullygossner
The pyrex bake a round appears to be a go to roasting chamber on many builds. They are very tough to come by in my part of the world. Are there easily accessible (ie Amazon) alternatives to the bake a round?
 
greencardigan
I've used borosilicate tubes sold as replacements for old gas lanterns. Found in outdoor/camping stores.

Or just cut the base off a glass vase? That's what I'm currently using in my large air roaster. Yes, I like doing things on the cheap.
 
renatoa
one liter french press glass... 9cm diameter, 22-24 cm length
 
Gullygossner
I've tried cutting glass in the past by scoring, heating and then submerging in cold water. This has not yielded favorable results. Are you using a dremel or another method to cut the bottoms off your item of choice?
 
greencardigan
I scored the glass with a glass roller scoring tool thing, then alternated between hot and cold water poured onto the score line until it separates.
 
renatoa
Such discs:
https://hobbyking.com/en_us/10pc-20mm...3-2mm.html
... in a proxxon (dremel like) drill/grinder tool.
Cut under a water jet, to avoid any glass dust. Safety glasses, dust mask...
 
a1970gto
Here is a supplier I found, they will make pretty much anything for you at any length. Their prices aren’t outrageous either.

www.greatglas.com
Edited by allenb on 09/14/2019 7:47 AM
 
renatoa
Unfortunately, no size in their offering is optimal for a roast chamber...
All I found is 2 ¼" OD, which is too small, and 5" OD, that could be too big, and too short given the maximum 7" long offering...
This is what I found in this section:
https://www.greatglas.com/PyrexCylind...inders.htm
... maybe elsewhere you was more lucky...
 
a1970gto
If you call or email them they have a lot more sizes.
 
allenb
Another option:

https://www.lanternnet.com/Merchant2/...p-Chimneys

Also, don't forget about our parts supplier list here

https://forum.homeroasters.org/forum/...ad_id=2560
1/2 lb and 1 lb drum, Siemens Sirocco fluidbed, presspot, chemex, cajun biggin brewer from the backwoods of Louisiana
 
DanT
Maybe worth a look? These are the glass tubes used on patio heaters, can be found in several sizes and prices on amazon.


https://www.amazon.com/s?k=hiland+gla...ss_sc_2_14
Edited by JackH on 09/30/2019 3:54 PM
 
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