Grinder

analogdino

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Hi All,
I want to replace my electric burr coffee bean grinder. While the present one works, the motor runs too fast giving rise to what I'll call "impact grinding" in addition to the burr grind size distance setting,. Result: too many fines.
I have been unable to slow down the motor... it looks like a 2-pole AC shaded-pole type. As an EE I've looked into variable-frequency AC sources... in addition to technical issues (torque, over-heating), none are economic.
So, either I find a variable speed electric grinder (unlikely!) or I find a manual burr grinder that I simply control myself.
Any ideas?
Cheers,
Roger
PS I am looking on Amazon for manual grinders... many are there!
 
Last edited:
Many thanks.... an amazing analysis!
Downside... all are well over my price point. I thought I could get a manual grinder for less that CAD$50 (about US$35.) Not going to happen!
Project on hold...!
Best to all!
 
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