Any idea on RPMs on HF Drillmaster rotary?

yugin said:
I've got this rotary from harbor freight Sander/Polisher - 7 Speed Electric Sander & Polisher. I have no idea to what rpms switch numbers correspond. Manual doesn't list it, just a range 200-3377 rpm. Web, forum search didn't yield any results. thanks.



Edit :I guess if I do a little math I'll get some numbers but are they real?
Click to expand...

I run mine at #2 or #3 most times, guess it to be 1000 to 1200 which is great for newer products.

 
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