Im building a bbq roaster! a few questions:

[robusto]

Re: Im building a bbq roaster! a few questions:

Great neat work, MachoSilvia.

I guess to speed things up youll have to either use a perforated drum, or build a shroud around the existing solid one.

Even a barbecue lid would go a long way toward heat retention.

--Robusto

[MachoSilvia]

Re: Im building a bbq roaster! a few questions:

Yes, I am working on building a tin shroud around it (so thats what its called!)... Also, by lowering it an inch, and sucking air through, creating a flow of air, has made a 23 minute roast... Very tasty indeed! I really like the mellower flavor compared with the popcorn roaster! Havent done regourous testing yet, but I am looking for heavier bodied shots, by drawing out longer roast times on the sumatra mandheling. More coffee ahead!

[MachoSilvia]

Re: Im building a bbq roaster! a few questions:

Well I just had a did a fantastic batch today, Sumatra Mandehling and Ethiopian Yergacheffe, 2 parts sumatran and 1 part Yergacheffe... The photo below is of the post roast blend of the two beans:

[MachoSilvia]

Re: Im building a bbq roaster! a few questions:

Here are the bags of my secret blend (you cant read the pencil writing in the photo- thats what it says) In a few days it will be ready for testing! Im now getting consistently even roasts, which is getting lovely consistent results (funny that)...

Cheers, Mark

[Dimal]

Re: Im building a bbq roaster! a few questions:

Kicking off a Boutique Roastery there Macho? Looking very professional indeed... 8-)

Mal.

[marcstolk]

Re: Im building a bbq roaster! a few questions:

Why the paper type bags??

[MachoSilvia]

Re: Im building a bbq roaster! a few questions:

Wow, I havent been here in ages! first a thanks to everyone whos participated on coffee snobs particularly in the roasting forums, Ive since upgraded the insulation with some automotive heat shield, and hinged the entire mechanism to the bbq so it can be tipped up and emptied easir. Ive also bought new bags, the paper ones ran out and these ones werent much more.

[MachoSilvia]

Re: Im building a bbq roaster! a few questions:

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[MachoSilvia]

Re: Im building a bbq roaster! a few questions:

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[MachoSilvia]

Re: Im building a bbq roaster! a few questions:

Kicking off a Boutique Roastery there Macho? Looking very professional indeed... 8-)

Mal.

Lol cheers Mal, :P I am selling to friends and family, just a few kilos a week, but I emphasize that I come here as a like minded coffee snob who just wants to improve what he drinks with breakfast with this fanstastic resource here, as a contributer as well as benifactor of information.

Happy to answer any questions about my roaster.

At the moment Im taking my roasters to the first crack (175 C) at around 10 min, sit around there for 2-3 min, then ramp up the heat to reach 200 C at about 15 min-16 min, sit there another 2 min, then increase the heat and stop it when it looks like the right colour.

CHeers, Mark

[ozscott]

Re: Im building a bbq roaster! a few questions:

Mate - very flash - have you got a roast profile from the DMM that you could post up to let us all see how it profiles...? Also how do you control the roast, particularly from bean to bean.

Cheers

[damian1]

Re: Im building a bbq roaster! a few questions:

Hi, I think this is a great looking roaster. Im thinking of trying to make something similar. A couple of questions!

1. What do you have supporting the drum? It looks like you have all the weight hanging on the gearbox?

2. When you say sucking air through, how have you acheived that?

Thanks!

Damian.

[MachoSilvia]

Re: Im building a bbq roaster! a few questions:

Gday, sorry for the absence... too much drinking coffee, not enough snobbing coffee...

I havent managed to get a profiler yet, but a few land marks which I go for is
5-6min 100C
10-12min 175C (first crack, I lower the gas and sit the temp here for about 2min)
15-17min 200c (second crack starting, I lower the gas and let the temp sit hsit here for a min or two)

then put gas up high again till the end, stopping it when I feel like it around 18-21min. (longer roasts are working well at the mome.


Yes, the gear box takes all the weight. does A mighty good job too! its very tough. from and old carpet machine, dont know how many are lying around...

And I have a desk top fan with a vacuum cleaning pipe suckking air from the roaster for air flow.

Cheers, Mark

[MachoSilvia]

Re: Im building a bbq roaster! a few questions:

As for controling the Roast, I just turn the gas knobs on the bbq, depending on what my multimeter thermocouple is telling me. turning temp down befor first crack and second, and keeping the gradient steady the way up.

[redzone121]

Re: Im building a bbq roaster! a few questions:

Still doing 1.2kg of green MS?

Chris