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Thread: old Behmor + heat gun = Behmor HG Coretto

  1. #1
    Senior Member matth3wh's Avatar
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    Lightbulb old Behmor + heat gun = Behmor HG Coretto

    Gene Cafe Coffee Roaster $850 - Free Beans Free Freight
    I've been experimenting with this idea over the past 6 months on an old Behmor (approx 5 years old).

    Wanted to dust of the heat gun.

    Use foil to trap heat where needed.

    Throw in the heat probe.

    Benefits: accelerated roast; hot air and bluster; more hands on, you literally stand there holding the heat gun in the door of the roaster.

    Anyone else crazy like me?
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  2. #2
    Senior Member artman's Avatar
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    Interesting. Nothing wrong with being crazy.

    How did it go?

    Where were you measuring temp?

    Cheers

  3. #3
    Senior Member matth3wh's Avatar
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    Resting the temp probe on left edge where the drum turns.

    Factor in that temp reading exceeds actual as it's getting some heat from the heater bars and side of roaster plus hot air.

    Seems to still provide an even roast.

    Now that I think of it I might try next roast with larger quantities of beans.

  4. #4
    Senior Member artman's Avatar
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    Insert the bead type into beam mass, should give the most meaningful temps to monitor what the bean mass is doing.

    I have roasted 550g without any issues on full manual, need to watch side wall temp as it can exceed the max allowed and trigger an error. That was on P1 (100%) manual.

    I guess your gun is inputing more heat than is escaping out of the open door.

    Are you doing this to enable quicker roast or bigger batch size?

    Cheers

  5. #5
    Senior Member Yelta's Avatar
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    Quote Originally Posted by matth3wh View Post
    I've been experimenting with this idea over the past 6 months on an old Behmor (approx 5 years old).

    Wanted to dust of the heat gun.

    Use foil to trap heat where needed.

    Throw in the heat probe.

    Benefits: accelerated roast; hot air and bluster; more hands on, you literally stand there holding the heat gun in the door of the roaster.

    Anyone else crazy like me?
    Good thinking Matt, sounds like it has potential.
    matth3wh likes this.

  6. #6
    Senior Member matth3wh's Avatar
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    Quicker roasts (10-14 mins) for 400g.

    Hopefully bigger batch sizes too.

    Will try 600g tomorrow and see what happens.
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  7. #7
    Senior Member greenman's Avatar
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    Love your thinking Matt, anything that will improve the roast is worth trying--good luck with it!!!

  8. #8
    Senior Member matth3wh's Avatar
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    old Behmor + heat gun = Behmor HG Coretto

    --Monday 8/5/17 9:25p

    Preheat to 6:40 mark aka 1.5 mins 1/4 P start

    Off then 1P2C
    Bosch HG fan ii at 220
    Foil to half across door

    Temp probe gradually rose to 190 across 4 mins then normal toasty roast smells.

    Raised HG to fan 3 and Hg temp to 300

    At 8 min HG to 400 - beans are yellowed by this point.

    HG to 440 at 10 min
    Temp probe risen to 205 for FC at 12 min mark

    Rolling FC for about 1 and 3/4 min
    HG set down to 240 and fanspeed 3

    Thought to take up roast towards point of 2ND C and stopped at 18:30 when I heard some snaps.

    Roast is slightly lighter than in the picture.

    First tasting tomorrow.

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  9. #9
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    So how was it??

  10. #10
    Senior Member matth3wh's Avatar
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    Behmor Coffee Roaster
    Hi Pretzal

    It's going great. I thought it had been under done but has turned out quite well. I'm doing a batch on the Brazen right now.



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