April 21, 2018 15:16:48


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View Thread » BUILDING A ROASTER » Drum Roasters
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Gas Fired Drum Roaster - Lets Build It
(Someone let me know if I'm jacking this thread... I'd be happy to post elsewhere if more appropriate.)


I've got a 1k solid drum roaster, and I'm wanting to improve my propane setup from the ground up.

For immediate purposes, I'm interested in having adequate BTUs/gas power, and a way to gauge BTU's/bars/PSI/water column (like I said, I'm a novice with LP).

I'm also interested in what it would take to get a setup like Russ... Automated.

I know my current setup is underpowered because my flames look more like a bunch of Bic lighters and less like a torch. It wasn't always like this. Perhaps my new (used) propane tank/hose are different than the ones I had before?

I just don't have any gauges/controls on the line, other than a manual gas-line on/off valve (see pics) that I tweak as I roast, watching the height/color of flame, and keeping an eye on my machine temp thermometer.

I purchased my roaster from a guy who made them in his garage, and have lost touch, so I don't know exact specs on everything.

Pics of my setup:
1. Burner:
2. Intake:
3. More pics:
4. Even more pics:

The burner is nearly identical to one of these Outdoor Burner/Fryers (minus the frame, of course)

What do I need to gauge gas pressure?

What's ideal gas power for a 1k setup like mine? (And how to know if what I have is adequate).

Side question, while I'm thinking about it...
After I work out my gas setup to gauge/adjust accurately, I'd like to figure out a good starting point for using my setup to run small samples (I've never been able to get a good batch under 1Lb...)


(Someone let me know if I'm jacking this thread... I'd be happy to post elsewhere if more appropriate.)

Actually this would be a good idea since it will end up being it's own project and for allowing others to find your build.

Copy and paste your last post into a new thread and we'll delete it from Russ's thread.

1/2 lb and 1 lb drum, Siemens Sirocco fluidbed, presspot, chemex, cajun biggin brewer from the backwoods of Louisiana
Got it. You can delete my post now. I found another couple threads on here including posts from Russ and Allen that are helpful.

Russ, sorry for jacking your thread. I'll be following your project for sure! I like what you're doing here.
I'm finally back into working on this roaster after a long break. Two years ago I started doing contract work for a large timber company to collect data in the mountains of western oregon. My days were spent driving out to remote areas & bushwhacking through rugged terrain to collect detailed information on the flora of the forest. It was an amazing feeling working alone in a natural setting with no distractions of any kind. However, the work left me no free time or energy to tinker, which was a bummer. Anyways, the roaster should start coming together quickly now!

Attached are photos of the dump door and trier assemblies I'm currently putting together.
Lylabrown attached the following images:
img_0883_1.jpg img_0870.jpg img_0882.jpg img_0888.jpg
Hey Russ, glad to see you back in the saddle! That's some very nice craftsmanship to say the least! Can't wait to see all this come together.

1/2 lb and 1 lb drum, Siemens Sirocco fluidbed, presspot, chemex, cajun biggin brewer from the backwoods of Louisiana
All sorts of dramas have kept my roaster parked.
I took a few ideas from this build - good to see it on the move again.
Allen: Greetings and Thank You!

Hey thanks Derek: On the bright side - delays can actually help flesh out some aspects of the design that weren't clear, and possibly prevent do-overs. I hope you get back at it soon, Ive been watching your build with great interest!

I decided to go with an all-in-one roasting cart instead of a bench top design. That simplifies quite a few things and complicates others. The roaster will live on an outdoor covered patio next to the BBQ so extra precautions need to be taken to prevent rust and corrosion over time.

Ive constructed a skeleton using angle iron from bed frames which are commonly left at the curb on garbage day this time of the year (college town). On the left half will be the roaster & cooling tray. On the right is a work surface for a laptop etc. with the cyclone at the back. Below that is a cubby for the gas and electric controls. And at the very bottom a space for the propane tank. It'll be sheathed with steel and mounted on casters. The total footprint is 24" square.

Next up will be sheathing and painting.
Lylabrown attached the following images:
img_0970.jpg img_0967.jpg img_0966_1.jpg img_0965.jpg img_0964.jpg
Wow! This is going to be a high end build. Love the vintage Probat gothic shape.

BTW, is that planter in the background formerly a clothes dryer drum?

1/2 lb and 1 lb drum, Siemens Sirocco fluidbed, presspot, chemex, cajun biggin brewer from the backwoods of Louisiana
Hey Allen, it's a stainless drum from an old washing machine. I like how the perforations help prevent plants from becoming root bound by air-pruning them.

The aesthetic of the Probat style gothic arch is pleasing to my eye compared to the standard exhaust line enclosed within a round dome or an exposed pipe above it.

Yeah, it's ending up looking fancier than what was planned. Luckily - most of the expense is the time related, the materials costs are under $300 so far. For me, half the fun is scavenging materials from scrapyards or re-use stores while out and about.

One of the primary goals is to make a "platform" that is easy to modify as needed. The previous two roasters I built were great at first, but became tiresome to deal with their quirks and limitations. Hopefully, this one will be more trouble free in its operation and maintenance.

my dad has one of those drums that they welded a hinge and a cover on, he uses it as a live well for fish next to his dock on the lake. All kinds of uses.

I'm also glad you revived this thread. I've been working on my pipe burner, but don't like the way its burning. Getting a better look at yours makes me think I've cut the slots to deep and closer than they need to be.
Russ, your project is beautiful! You are a true craftsman.

Did you decide to enclose the exhaust air tube to keep it warm so the particulate did not condense out more quickly leaving more residue in the tube?
L-1p, HG-1-motorized, Monolith Flat, (ordered) mini500Plus.

If whatever you do does not put a smile on your face then rethink what you are doing.
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