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  • #16
    Re: Change in corretto technique

    Originally posted by 667D7462616C150 link=1264329461/14#14 date=1273611299
    Originally posted by 506C657D68090 link=1264329461/13#13 date=1273593129
    Ive cut a piece of Hardiplank to size, and cut a hole in it that my heat gun nozzle sits in, the H/plank covers approx half of the top of my bread maker, the h/gun blower expels most of the chaff through the area thats not covered, I roast in my shed.
    The whole job took me less than 10 mins, cheap simple and easy solution and gives excellent control over my roasts.
    Oh and of course the H/plank does not burn.
    Ive done a very similar thing but out of MDF and covering about 4/5ths. Seems to work pretty well and I use about 20° less heat on my heatgun
    Any problems with the MDF charring?

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    • #17
      Re: Change in corretto technique

      Heres a pic of the old, inverted and modified lamington tray...



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      • #18
        Re: Change in corretto technique

        Originally posted by 6C50594154350 link=1264329461/15#15 date=1273625220
        Originally posted by 667D7462616C150 link=1264329461/14#14 date=1273611299
        Originally posted by 506C657D68090 link=1264329461/13#13 date=1273593129
        Ive cut a piece of Hardiplank to size, and cut a hole in it that my heat gun nozzle sits in, the H/plank covers approx half of the top of my bread maker, the h/gun blower expels most of the chaff through the area thats not covered, I roast in my shed.
        The whole job took me less than 10 mins, cheap simple and easy solution and gives excellent control over my roasts.
        Oh and of course the H/plank does not burn.
        Ive done a very similar thing but out of MDF and covering about 4/5ths. Seems to work pretty well and I use about 20° less heat on my heatgun
        Any problems with the MDF charring?
        Not at all.
        Maybe changing colour a little bit
        I expected it to warp but that hasnt happened either

        Comment


        • #19
          Re: Change in corretto technique

          Gday Shawty....

          Id be very wary of using MDF or any other treated timber or chipboard mate..... The various bonding agents used and protection agents are NOT heat resistant and can produce toxic gases and vapours when exposed to the sorts of temperatures that roasting coffee requires.

          Much better and heaps safer to go with untreated pine or hardwood, or perhaps the Lamington Tray used by "smokeydeck" above.... 8-)

          Mal.

          Comment


          • #20
            Re: Change in corretto technique

            Originally posted by 7C51555954380 link=1264329461/18#18 date=1274249043
            Id be very wary of using MDF or any other treated timber or chipboard
            A lot of hardware stores including Bunnings will not cut chip board and in particular MDF for customers due to bonding chemicals that can cause health issues.

            Hard wood is a better way to go.

            Comment


            • #21
              Re: Change in corretto technique

              Originally posted by 4964606C610D0 link=1264329461/18#18 date=1274249043
              Gday Shawty....

              Id be very wary of using MDF or any other treated timber or chipboard mate..... The various bonding agents used and protection agents are NOT heat resistant and can produce toxic gases and vapours when exposed to the sorts of temperatures that roasting coffee requires.

              Much better and heaps safer to go with untreated pine or hardwood, or perhaps the Lamington Tray used by "smokeydeck" above.... 8-)

              Mal.
              What are your feelings on hardiplank Mal? its certainly fire proof, easy to work with, non toxic and gives off no fumes.

              Comment


              • #22
                Re: Change in corretto technique

                Originally posted by 617F7D79776B76777179120 link=1264329461/11#11 date=1266115290
                I use an old laimingtin tin.  Cut approx 50mm hole in the middle and a slot 10mm x 80mm on the side for chaff.  Lid sits upsidedown and a couple of wooden slats keep it from sliding. works a treat.  Usual batch size in my breville big loaf is 630g.  (5 batches per bag).
                I use the same setup and it has been working a treat, I can just see the beans through the chaff vent, I am able to control the heat easily. I did five roasts on the hop last week with no dramas!!

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                • #23
                  Re: Change in corretto technique

                  Originally posted by 312F2D29273B26272129420 link=1264329461/11#11 date=1266115290
                  Usual batch size in my breville big loaf is 630g.(5 batches per bag).
                  Evening SD, are you buying your greens through CS ? reason I ask is most of their offerings are in 2.5 Kilo bags, I roast them in batches of 625 grams which works out to 4 batches per bag.

                  Comment


                  • #24
                    Re: Change in corretto technique

                    Originally posted by 0E323B2336570 link=1264329461/22#22 date=1274259791
                    Originally posted by 312F2D29273B26272129420 link=1264329461/11#11 date=1266115290
                    Usual batch size in my breville big loaf is 630g.(5 batches per bag).  
                    Evening SD, are you buying your greens through CS ? reason I ask is most of their offerings are in 2.5 Kilo bags, I roast them in batches of 625 grams which works out to 4 batches per bag.
                    Hi JW,

                    Yep 625-630. Andy provides a generous 2.5kg but yes, I did mean 4 batches per bag.

                    Comment


                    • #25
                      Re: Change in corretto technique

                      Originally posted by 203E3C38362A37363038530 link=1264329461/23#23 date=1274261427
                      Originally posted by 0E323B2336570 link=1264329461/22#22 date=1274259791
                      Originally posted by 312F2D29273B26272129420 link=1264329461/11#11 date=1266115290
                      Usual batch size in my breville big loaf is 630g.(5 batches per bag).  
                      Evening SD, are you buying your greens through CS ? reason I ask is most of their offerings are in 2.5 Kilo bags, I roast them in batches of 625 grams which works out to 4 batches per bag.
                      Hi JW,

                      Yep 625-630. Andy provides a generous 2.5kg but yes, I did mean 4 batches per bag.  
                      625 is a good size for me, lasts around 7 days, unless we have guests.

                      Comment


                      • #26
                        Re: Change in corretto technique

                        Originally posted by 6F535A4257360 link=1264329461/20#20 date=1274258552
                        What are your feelings on hardiplank Mal? its certainly fire proof, easy to work with, non toxic and gives off no fumes.
                        Pulling my leg Jon....

                        Nothing wrong with using it as a heat baffle/cover on a BM as far as I know.... heres a link to the MSDS for anyone who likes to check for themselves... http://tinyurl.com/2d9cwzz

                        Mal.

                        Comment


                        • #27
                          Re: Change in corretto technique

                          Originally posted by 0825212D204C0 link=1264329461/25#25 date=1274273725
                          Pulling my leg Jon.
                          Not at all Mal, the data sheet makes interesting reading, should have thought of looking it up myself.
                          I suspect the mention of silicosis would scare the pants off some but when you read the whole thing the stuff seems pretty innocuous, like a lot of materials the main danger is working with it and not following OH&S guidelines.

                          Comment


                          • #28
                            Re: Change in corretto technique

                            Originally posted by 0B3E292B061B4C0 link=1264329461/4#4 date=1264424714
                            I have been covering about three quarters of the top of the breadmaker with alfoil
                            Simple, cheap and effective, Tried this and it worked a treat!! Guessing my probs with the tile I was using before was that it may have been absorbing the heat rather then reflecting it back into the pan.
                            Thanks Greg  

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