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JackH
OfflineAdmin
· 07/04/2020 10:27 AM
Happy 4th of July! jazzyhands

JackH
OfflineAdmin
· 06/24/2020 7:58 AM
@Mark McCornack, Please post your question in the forum.

Mark McCornack
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· 06/15/2020 9:28 PM
Hi! Looking for a legacy inlet temp sensor on 13 yr old Gene Cafe. It seems they've changed it and now you need new mother board and new sensor. Any ideas where I can find compatibile old one? Mark

Samaniego
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· 06/09/2020 6:39 PM
Wich thermometers Can i buy for my roasting machine compatible with usb or macbook?

JackH
OfflineAdmin
· 06/05/2020 5:38 PM
peveleth, It is better if you start a post in the forum with your question. These shouts go away in time.

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Drum roaster comparisons thread
stuartgrant
Hey all,

Not that I've decided firmly on whether my eventual roaster will be a drum roaster or not yet, BUT I have been doing some research into different drum designs out there.

I hope this thread will be helpful for people who, like me, are looking into building a drum roaster.

I'd love for people who own/have built a drum roaster to join in and share anything of use here!


I mainly want to look at the characteristics of various drums out there. Attached is a table I made up showing a range of drums, mostly made by people on this forum but also including some others, as well as the commercially available RK drums.

[Special note to itsallaroundyou - I know you haven't finished yours yet so I made a complete guess at what your max capacity might be based on the average load per unit drum volume! It was 1.75lb - take it or leave it!]

In addition to this info it'd be great to know things like rate of airflow, what BTU/hr rating the burner(s) have, and whether or not the roaster is insulated.

Any contributions/thoughts?
Cheers
Stuart.
stuartgrant attached the following image:
drum-comparison.jpg
 
http://stuartgrant.wordpress.com
stuartgrant
Oops, I should have added the following list of references:

RK Drums: http://www.rkdrums.com/constructionde...detail.htm

Open Sky Roaster: http://scott.marquardt.googlepages.co...skyroaster

Brewster's: http://forum.homeroasters.org/forum/v...ad_id=1135

One from ebay: http://forum.homeroasters.org/forum/v...ad_id=1446

Jim's 2-pounder: http://forum.homeroasters.org/forum/v...post_16472

itsallaroundyou's: http://forum.homeroasters.org/forum/v...post_16934

rcwarship's: http://forum.homeroasters.org/forum/v...ad_id=1398
 
http://stuartgrant.wordpress.com
itsallaroundyou
good idea for a thread!

will let you know what my total capacity is when i get there.....which will hopefully be sooner than later (if only i had a metal shop... :)
"If it wasn't for venetian blinds it'd be curtains for us all"
 
rcwarship
Thanks for putting this together, interesting that they're all about the same volume.
How about KW & insulation & perforated? in my case 1,000W, 1" kaowool & perforated
Best Regards,
Jon
Edited by rcwarship on 09/15/2009 6:02 PM
Tell me and I forget, show me and I remember, involve me and I understand.
 
seedlings
Note that some drums often run optimized at less than capacity. i.e. many roasters using a RK 6# drum may run a 4# charge of beans for optimal performance. Other roasters (Open sky or Jim) were designed around a specific load.

CHAD
Roaster: CoffeeAir II 2# DIY air roaster
Grinder: Vintage Grindmaster 500
Brewers: Vintage Cory DCU DCL, Aeropress, Press, Osaka Titanium pourover
 
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