Tije's HG One with grind setting ring
Tije modified his first genaration HG One grinder (which he motorized earlier) to have a grind setting ring somewhat like the later models have.
View ArticleTije testing mods
The little closed air roaster got a cleaning after 200kg of beans roasted. Tije modified the air outlet to prevent some beans flying into the chaff collector, improved the probe placement and replaced...
View ArticleTracking roasting energy consumption
I got a little Fritz!Dect210 device that's able to pass enough kW to feed my FZ94 roaster and now I can track its energy use.The most recent roast of 1700g Ethiopian beans took 1.3kWh.The device...
View ArticleRoasting PNG with an eye on energy use
I pre-heated the FZ94 more than before to see if I could save energy overall. I used a bit more energy actually. Maybe I can lower the fan during warmup, because the fan sucks hot air out of the...
View ArticleRoasting Guatemala with an eye on energy use
First tweaked the sliders in Artisan to heat up the machine with a lower airflow, keeping more heat inside the machine. This cost 0.087 kWhWarmup started at 19:31 for 15 minutes, using 0.686 kWhCHARGE...
View ArticleLONDINIUM LR24 Low-High preinfusion
The Ethiopian beans I have in one of my grinders are delicious but can extract a little 'thin' so this time I did a long pre-infusion at a low pressure:Then, as Bob's little mirror showed that the...
View ArticleRoasting Ethiopia Sidamo Bensa Natural Bombe beans / energy use
A shorter roast than some other beans, hence a little less energy useThe date info on the Fritz!DECT210 is not always correct. Sometimes the energy use appears 'stacked' on the column of the previous...
View ArticleRoasting Ethiopia Limu Mansur / energy use
Batch 24:Came out a littke light at Tonino #101 but good development time, beans looking good too. Lowest energy use so far.
View ArticleRoasting Cuba / energy
Roasted two batches of 1.5kg green beans, back to back. First batch was 1.2 kWh, the second just 0.85 kWh so as was to be expected it's prudent, energywise, to roast back-to-back instead of one batch...
View ArticleRoaster update
Jan was in town so we could take a next step. The VFD drive tweaks we had in mind did not work well: the blower got very hot, once it blew backwards even and once it made a horribe grinder like noise....
View Article2012 pictures of Ponte Vechio Lusso 2-group at KAFKO
https://www.home-barista.com/levers/ponte-vecchio-lusso-2-check-up-and-mods-t23038.html
View ArticlePUQpress Mini
Five years ago Jan van der Weel and I reviewed the first version of the PUQpress:In the mean time, Laurens Pluijmers of https://www.puqpress.com/ has further developed and innovated the tamping...
View ArticleSome machines on display at Alleborgh
At Alleborgh coffee machines in Almere where I picked up a mini tamper, I saw a few interesting machines:First a 'naked' La Marzocco showing how it works:Then a Marzocco grinder that was developed, I...
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