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Koffee Kosmo
OfflineAdmin
· 08/28/2020 7:15 PM
I have updated my signature and added links to the KKTO roaster build

snwcmpr
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· 08/16/2020 8:12 AM
I will say, it only happened once, briefly, to me.

NetriX
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· 08/16/2020 7:57 AM
I was blocked too, our hosting provider is dropping the ball lately. thumbdown

Koffee Kosmo
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· 08/12/2020 5:37 PM
And I thought it was just me that couldn't access the site All good now - coffee kept me company

JackH
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· 08/10/2020 8:46 PM
Had to make myself another cup of coffee to get through it.

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Pyrex Bake A Round Tube Mounting Help
AronoSarius
Hi Everyone,

I am new to the forum and am looking for some help on building a fluidbed roaster. My question is regarding the best way to create a mount for the Bake A Round tube. I have seem some using long threaded rods secured with nuts and two flat metal plates to hold it all together. and others using a martini shaker upside down with what looks to be high temperature silicone as a gasket.

Essentially I am looking to see if there are any off the shelf parts that would allow for a secure mount and any other feedback on a simple way to execute this. I have looked through all of the threads and have not seen anyone address the assembly directly.

EDIT: I am planning on using a Harbor Freight aluminum body heatgun with an extension tube to connect to the Bake Around. I will be attaching a shop vac to the air intake similar to the build on here with the exhaust splitter and two of the same heat guns. I have everything else in the build figured out, I am just looking for help with a simple housing that doesn't require complicated fabrication or tools for pyrex tube housing and that will be secure and account for expansion of the tube/mounting materials.

Thanks in Advance!
Edited by AronoSarius on 11/01/2019 1:37 PM
 
pisanoal
https://forum.homeroasters.org/forum/...ad_id=5505


Literally the first thread I clicked on... haha. Looks like they use a v-flange and silicone around the tube.

Link for the v-flange
[url]https://www.amazon.com/HFS-Stainless-Release-V-Band-Downpipe/dp/B01IWZ2ANO/ref=asc_df_B01IWZ2ANO/?tag=hyprod-20&linkCode=df0&hvadid=242006903502&hvpos=1o1&hvnetw=g&hvrand=16316424956423977172&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9014758&hvtargid=aud-801381245258:pla-471303999760&psc=1
[/url]
3" looks like It has an OD of 3.125" I think the ID of the bake-a-round is something like 3.25. Looks like about that gap in the pics in the thread I linked.

Also to be honest, you could do a lot with a drill, a hacksaw a sheet of thin stainless and some all-thread for the sandwich method. I would definitely not place that in the "complicated fabrication" category. Tools and materials could be had for under $100. (Walmart corded drill)
 
AronoSarius
Thanks a Lot pisanoal, super helpful! Not sure how I missed that post!!
Edited by AronoSarius on 11/04/2019 11:45 AM
 
renatoa
Hmm... what about the different heating coefficients of glass and steel ?
Know this video ? Grin
https://youtu.be/tRvCNzrr7H0?t=581
Look at 9:43...
 
pisanoal

Quote

AronoSarius wrote:

Thanks a Lot pisanoal, super helpful! Not sure how I missed that post!!



No problem. it popped up in my similar threads links down below.
 
pisanoal

Quote

renatoa wrote:

Hmm... what about the different heating coefficients of glass and steel ?
Know this video ? Grin
https://youtu.be/tRvCNzrr7H0?t=581
Look at 9:43...


Always a concern. Just need to make sure nothing fits too tight, and fill the gaps with a silicone gasket for expansion.
 
CharcoalRoaster
I used stove gasket rope and high temp RTV copper silicone to secure a metal funnel to the bottom of my bakearound as well as the same silicone to seat the perf plate into the funnel.

After at least a hundred roasts if not more like 2-300 no warps, cracks, visible ware on the silicone, funnel, or pyrex.
 
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