Nerd alert: I timed and counted my grinding this morning with the Hario Mini Mill on 15 grams of Handlebar's new Ethiopian (pretty good BTW), which is a light roast. 96 turns in about 55 seconds. A whirlyblade is better than pre-ground too. A friend actually sharpens the blades on his whirly blade, and claims it gives better results. Not all blades can be sharpened well or even removed to be sharpened, as they are pressed onto the shaft.
5/6/15 at 11:39am