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265148 <gtgrouch@r...> 2018‑02‑16 Re: What is a good slow speed grindstone
My sharpening grinder has a 1720 RPM 6" dry wheel and a 160 RPM 8" wet wheel. 

Got it from Harbor Freight a while back. I'm not that fond of the store, but
this has done fairly well for me.

YMMV, Gary Katsanis
Albion New York, USA
(where it was 50 degrees yesterday and 25 degrees today)

---- Kirk Eppler  wrote: 

=============
On Fri, Feb 16, 2018 at 10:58 AM, Cal Meier  wrote:

> I receive advertisements talking about "low speed" grinders for sharpening
> tools.  When I check, the speed is commonly listed at roundly 1750 rpm.
> What is a good "low speed" to sharpen at using an 8" wheel.  Any thoughts
> or strong opinions would be appreciated.
>
>

Most normal vertical wheel grinders are 3450 rpm

Slow is 1750 rpm

I also have a LV horizontal disc for slow, but its pricey.




-- 
Kirk Eppler who has a new 24 grit 8" stone en route somewhere between here
and NY
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