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Another Corretto Rig...

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  • moreCoffee
    replied
    Re: Another Corretto Rig...

    excellent - glad it was useful!

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  • greenman
    replied
    Re: Another Corretto Rig...

    Nice work Peter, good to see another Corretto in production!!
    Just did a roast of El Salvador and used your spreadsheet, it worked a treat, I managed to stick to my profile line fairly well, will be using this in future, thanks for making it available..................gm

    Leave a comment:


  • moreCoffee
    replied
    Re: Another Corretto Rig...

    With the bread machine vibrating and the weight of the HG - it helps keep things steady!!

    I picked up the mesh baskets from one of those $2 variety shops. They really arent that good - I cable-tied them together to form an enclosure, but they arent formed well, and sometimes a bean or two will escape through the crack and you have to shut your eyes while the fan ricochets them all over the place!!

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  • flynnaus
    replied
    Re: Another Corretto Rig...

    Thanks Peter

    I see what you mean by the fan now. I was thinking bathroom/kitchen type exhaust fan. The venturi effect for sucking the chaff rather than blowing is a good idea.

    I like the weight on the guitar stand. Obviously for stability but one might also think that the Bosch HG develops that much thrust, it helps prevent lift-off

    Where did you get the mesh basket from

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  • moreCoffee
    started a topic Another Corretto Rig...

    Another Corretto Rig...

    Nothing really new here - but thought Id share some pics of my Corretto rig!

    Specs:
    Bread Machine: Breville BB290, on Dough Cycle
    Heat Gun: Bosch PHG 630 DCE, digital control 50-630deg, 2000W
    DMM: Jaycar Digitech QM-1526 - with thermo probe.
    Cooling: Large 60cm Mistral Fan from BigW

    Completed Roasts: About 30x580g Batches (about 500g after roasting) - perfect fit for my valve bags.

    The trimmed down guitar stand has been great, this in conjunction with my bread machine stand (2 old touch screen stands and a piece of pine) gives unlimited adjustment. Ive found all this adjustment a bit overkill, the digital heatgun allows me to fine tune the temperature, I rarely have to adjust the height.

    I suck the chaff out into the yard by placing the fan in front of the roast. I then flip the fan over to cool the beans!  The advantage Ive found in sucking the chaff over blowing it, is that it doesnt really affect the performance of the heat gun.

    Im on my second thermo probe - the first one got smacked by the paddle on each revolution, so it didnt last long. I relocated the second one to the corner, clear of the paddle!!

    Cooling method is basically me physically shaking the hot beans over the fan, it works ok - one day Ill build a bucket cooler I can just drop them in to!

    Pics...




    When I next do a roast (hopefully in a day or two) Ill take some action shots!
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