sprint jinx wrote:Great review, I enjoyed seeing what your process looks like. I have only a few things to add, I hope these help.
I would advocate for the use of a throat funnel, along with a plunger that pushes gently down on the unground dose, above the burrs. I have designed and printed 2 sets so far, one for a SJ and another for a Major. They work a treat for speeding up the feed into the burrs; eliminate popping action; quiet the noise echoing from the throat, and, as a bonus, the fit is tight enough that by lifting the plunger and dropping it, a slight column of air is pushed down through the burrs, forcing the last of the dust to thrust out of the chute.
Next- I found that lifting the back end of the grinder up by 2 inches helped the grinds fall out of the chute. I wrapped dense foam around a wood block and placed the rear feet onto that. This also reduces vibrations into the work surface by a significant amount. I am not sure of the physics of what is happening at the burrs as a result, but this tweak keeps buildup in the chute to a minimum. I also carved out and polished the chute with a dremel, as there is plenty of meat in the casting.
Thanks for the great suggestion. I will try to raise the rear and see what it does.
With the funnel/plunger setup and polished chute, do you still need to brush the chute? Would be tempting if even that can be eliminated. I've tried the silicone bowl method to create air pressure for blowing the chute clean, but decided that wasn't a good idea as it was blowing grinds into corner that it shouldn't.