On 2 Mar 2016 20:35:52 GMT, notbob > wrote:

>On 2016-03-02, Jeßus > wrote:
>
>> They should be avoided.
>
>Nonsense.
>
>I've used 'em fer yrs. First to grind coffee fer paper filter-cone
>brewing. Later, fer grinding whole spices, which I do often and
>desire a fine powder. I also have spice grinder attachments fer my
>Kenwood stand mixer and they're basically whirlybird-style coffee
>grinder attachments.
>
>The only place a whirlybird-blade grinder is not desirable is for a
>proper expresso coffee grind. Espresso requires an extremely precise
>and uniform grind and motorized grinders that can deliver such a grind
>are quite expensive, typically running between $200-$1200. Some of
>that cost is the hardened steel burrs, both flat and conical. Not
>cheap.

Each to their own, is all I will say here.


>Actually, I bought a coffee grinder attachment fer my stand mixer.
>Despite it having pretty good hardened steel burrs (conical), the rest
>of the attachment was made from plastic. This put a very strong
>static electrical charge on all the coffee grounds and when they came
>out of the grinder, they literally "flew" everywhere except in the
>collection bag/box/container. The grounds would fly outta the
>attachment and even stick to the back of my hands. It was crazy! I
>finally hadda toss the grinder attachment, as it was useless.

Thankfully I've never struck that problem!
I bought an Isomac Granmacinino coffee grinder some eight years ago
and it still works perfectly. Not bad considering I average at least
two double lattes each morning.