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Bobby M15's drum
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BobbyS |
Posted on 12/23/2017 2:05 AM
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1/4 Pounder Posts: 179 Joined: July 02, 2011 |
The one on the front that is shown is a Spyraflo. Edit: also on the back I have a contained 2 bolt bearing that I can lock the shaft with. Edited by BobbyS on 12/24/2017 3:53 PM |
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BobbyS |
Posted on 01/14/2018 2:17 AM
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1/4 Pounder Posts: 179 Joined: July 02, 2011 |
Getting a little more done. Here is the trier I just finished. The handle I ordered from these folks. Was inexpensive and I received it fast. I used the larger handle as I wanted as much distance from the hot end as possible lol. http://www.lmii.c...ol-handles Edited by BobbyS on 08/02/2018 12:54 AM |
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BobbyS |
Posted on 01/19/2018 8:38 PM
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1/4 Pounder Posts: 179 Joined: July 02, 2011 |
fixed
Edited by BobbyS on 08/02/2018 12:55 AM |
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renatoa |
Posted on 01/20/2018 1:30 AM
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Administrator Posts: 3188 Joined: September 30, 2016 |
They are too perfect, imgur crashed when seen you parts |
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BobbyS |
Posted on 01/20/2018 1:49 PM
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1/4 Pounder Posts: 179 Joined: July 02, 2011 |
With Jacks great help! Thank you! This is my trier I recently finished. Getting along on the rest of the roaster; trying to get the hopper finished up. Edited by BobbyS on 01/21/2018 12:12 AM |
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JackH |
Posted on 01/20/2018 5:34 PM
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Administrator Posts: 1809 Joined: May 10, 2011 |
I edited your post and removed the ?1 that appeared after the jpg in your link. I do not see it in my Imgur links. Code Download source [img]https://i.imgur.com/PO0oQ6ml.jpg?1[/img] ---Jack
KKTO Roaster. |
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BobbyS |
Posted on 01/21/2018 12:09 AM
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1/4 Pounder Posts: 179 Joined: July 02, 2011 |
Quote JackH wrote: I edited your post and removed the ?1 that appeared after the jpg in your link. I do not see it in my Imgur links. Code Download source [img]https://i.imgur.com/PO0oQ6ml.jpg?1[/img] Oh, ok, just takes someone who knows what they are doing lol. Thank You! |
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BobbyS |
Posted on 02/07/2018 7:02 PM
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1/4 Pounder Posts: 179 Joined: July 02, 2011 |
Starting to make some headway finally. Got the cart started (with casters) which makes it so much easier to work on now that it is getting heavy. Exhaust port. With the bean hopper door in load position it covers the exhaust port so no beans get away. Bean hopper door closed. |
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dmccallum |
Posted on 02/08/2018 4:27 AM
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1/4 Pounder Posts: 93 Joined: November 24, 2015 |
Looking good. I'm liking that hopper-gate assembly! |
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renatoa |
Posted on 02/08/2018 4:37 AM
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Administrator Posts: 3188 Joined: September 30, 2016 |
Are these necessary to be SO massive... ? Just puzzled... not critical. I am asking myself this question every time I see a commercial roaster too, especially the small models, 1 kg seems close to 5 kg. |
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JackH |
Posted on 02/08/2018 6:10 AM
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Administrator Posts: 1809 Joined: May 10, 2011 |
Nice work BobbyS!
---Jack
KKTO Roaster. |
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BobbyS |
Posted on 02/08/2018 3:55 PM
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1/4 Pounder Posts: 179 Joined: July 02, 2011 |
Quote renatoa wrote: Are these necessary to be SO massive... ? Just puzzled... not critical. I am asking myself this question every time I see a commercial roaster too, especially the small models, 1 kg seems close to 5 kg. It is about 2kg, probably do a bit more and looks bigger than it is. It is about 14 inches across. Also it needs room for the heat chamber around the drum (not on yet) and insulation. Yeah, go big or go home lol Edited by BobbyS on 02/08/2018 4:08 PM |
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BobbyS |
Posted on 02/08/2018 4:03 PM
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1/4 Pounder Posts: 179 Joined: July 02, 2011 |
Quote Thanks Jack! |
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BobbyS |
Posted on 02/08/2018 4:04 PM
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1/4 Pounder Posts: 179 Joined: July 02, 2011 |
Quote Thanks, I haven't tested it yet so we'll see how it works. Hopefully it will do well. |
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allenb |
Posted on 02/08/2018 5:50 PM
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Administrator Posts: 3895 Joined: February 23, 2010 |
Very nice! Can't wait to see it tumbling some beans!
1/2 lb and 1 lb drum, Siemens Sirocco fluidbed, presspot, chemex, cajun biggin brewer from the backwoods of Louisiana
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BobbyS |
Posted on 02/08/2018 7:53 PM
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1/4 Pounder Posts: 179 Joined: July 02, 2011 |
Quote Lol, you and me both! Do you think 1" of space around the drum for the heat chamber will be enough? You can see where I marked it with a marker on the inside of the back plate. |
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allenb |
Posted on 02/09/2018 6:07 PM
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Administrator Posts: 3895 Joined: February 23, 2010 |
1" should be fine. I went with 1/2" on my 1 lb drum trying to limit the total finished width but had some issues with the inner sheet metal layer warping and rubbing on the drum since I mistakenly left no room for the metal to expand in length (front to back). I should have left at least 1/32" gap. Allen 1/2 lb and 1 lb drum, Siemens Sirocco fluidbed, presspot, chemex, cajun biggin brewer from the backwoods of Louisiana
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BobbyS |
Posted on 02/09/2018 7:22 PM
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1/4 Pounder Posts: 179 Joined: July 02, 2011 |
Quote allenb wrote: 1" should be fine. I went with 1/2" on my 1 lb drum trying to limit the total finished width but had some issues with the inner sheet metal layer warping and rubbing on the drum since I mistakenly left no room for the metal to expand in length (front to back). I should have left at least 1/32" gap. Allen How can it be attached if it moves with heat? I want to be able to keep insulation out of the heat chamber. |
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allenb |
Posted on 02/10/2018 7:05 AM
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Administrator Posts: 3895 Joined: February 23, 2010 |
This is one of the more troublesome areas of a drum roaster design. The structural rods connecting the rear and front plates are necessarily rigid and do not expand/contract at the same rate as the inner liner since the two do not see the same temperatures. One option is to mount the shield using angle brackets with elongated holes and somewhat loosely attach with lock washers so the shield can move independently from the front and back plate assembly. You have to leave a little room between the plates and shield and insulation shouldn't fall through the crack. Allen 1/2 lb and 1 lb drum, Siemens Sirocco fluidbed, presspot, chemex, cajun biggin brewer from the backwoods of Louisiana
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BobbyS |
Posted on 02/14/2018 2:26 AM
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1/4 Pounder Posts: 179 Joined: July 02, 2011 |
well my roaster is going on hold after amputating about 1/2 inch off my right thumb tip with my 12 inch disc sander. bummed i am. |
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btreichel |
Posted on 02/14/2018 5:02 PM
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1/4 Pounder Posts: 189 Joined: May 07, 2007 |
:thumbdown-gifhNo Bummer. Sorry to hear that. |
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BobbyS |
Posted on 02/14/2018 6:18 PM
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1/4 Pounder Posts: 179 Joined: July 02, 2011 |
Quote |
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BobbyS |
Posted on 02/23/2018 2:20 AM
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1/4 Pounder Posts: 179 Joined: July 02, 2011 |
i'll be back....................... soon.... soon as i grow some thumb |
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BobbyS |
Posted on 03/06/2018 12:32 AM
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1/4 Pounder Posts: 179 Joined: July 02, 2011 |
Well, since I am working mostly one handed, and left handed at that. I have at least been able to work on the control part of my roaster. Getting some things mocked up and lined out. Thumb is healing slow. |
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BobbyS |
Posted on 03/25/2018 2:33 AM
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1/4 Pounder Posts: 179 Joined: July 02, 2011 |
Thumb is slowly healing, ordered some more 12" 40 grit discs. cut some steel yesterday, slow going using mostly one hand but, like my doc said, **** happens. I am fortunate. this is only an inconvenience, a little slow up in the work process on the roaster. I'm chomping at the bit, can't wait to "git er done" and fire it up. but the time off from steel working has given me time to work on the control side of it, so, a little harm, no foul lol. |
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