Category: experiment
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3D printed Compak hopper adapter for Mahlkonig K30 grinder
I recently bought a second hand Mahlkonig K30 Vario grinder. This grinder did not work at all but I got it for only 150 euro. After a thorough inspection I found that one of the essential wires for starting the grinding was loose. Just a little bit of soldering was enough to make this grinder…
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TC4 board by Viliam
A few months ago we wanted to order some extra TC4 boards for our roaster. This board is an arduino shield that can handle 4 thermocouples and takes care of precise temperature measurement. During the order process we had a problem. We could not order them anymore from the mlpg-website. All the “order buttons” seemed…
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Fluid Bed Roaster, new edition 2
Last weekend we tested the Fluid Bed Roaster again. There were several improvements made to the machine. Tije has improved the thermal insulation and housing. Also he improved the internal airflow, this prevents beans from unintentionally ending into the chaff collector. Also some software changes were made. To prevent burn through of the heating coils,…
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Tiny Fluid Bed Roaster, new edition
Last week we tested the next version of The Fluid Bed Roaster prototype. Tije designed and constructed this new roaster. In the picture above, you can see him charging green coffee beans on the prototype. The roaster has a build in cooling, chaff collector, LCD screen and it uses a more powerful and less noisy…
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Measuring the effect of the Londinium Distribution Tool
The recently launched Londinium Espresso Distribution Tool promises to reward you with a very high level of consistency to your espresso extractions. What is the effect of using the LDT? Does an espresso made with this tool taste better? Frans is doing a series of experiments of the tool in combination with different Compak Grinders. Blind…
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Water, the weakest link in espresso brewing?
I recently disconnected my Everpure Claris water filter because of a my house renovation. This left me with a problem. Where could I find filtered and softened water for my espresso machine? Luckily my friend Frans Goddijn helped me out. He supplied me with bottled water that was filtered with his BWT Bestmax premium water…