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I got my hands on a Guatemala and got a bit carried away modifying it. So far I have -cut the body down in size (sits around 10cm shorter now) -stripped down and polished the clear acrylic top section of the body -painted it matt black (of course!) -replaced the burrs with SSP Red Speed coated -added speed control with a VFD To finish it off I plan to add a more detailed dial face and make a hopper with integrated puffer (to clear beans from below auger) and lens hood style bopper. I do not recommend reverting painted clear acrylic to clear acrylic. What a ball ache! It started with a half hearted ‘why would they use clear acrylic for this component?.. Wouldn’t it be cool if..’ Then before I knew it I had invested so much time into it that I had to see it through. The VFD was quite an interesting one. I was aware that probably the biggest weakness of the grinder was the burr speed. Initial research on speed controlling a capacitor start single phase motor wasn’t promising. Then eBay sent me a gift - a VFD with programmable boost start function BNIB. A different start capacitor relay and lots of wiring and programming later, success!! It grinds quite happily at 20Hz, which translates to just below 1200rpm down from just below 3000rpm at 50Hz.
Hi guys, I'm a complete newb and am working with a 1425w Italian Gaggia Classic and a Krups GVX2 burr grinder. I currently have no budget left but want to get my sights set early on my grinder upgrade. I have a Nemox Lux in my sights and intend to carry out the steppless mod once I've got my hands on a decent used machine. I'm hoping to get it over the doorstep at around £120-£150 including the mod. My questions are: 1. Is this a reasonable first choice or are there better options at this price range? 2. Are the burrs easily available as a replacement part if needed? I've had a cursory search and can't find them online. 3. Is this the cheapest way of achieving a consistent stepless grind? Thanks guys and gals.