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-   -   Grain Mill Motor (http://www.homebrewtalk.com/f36/grain-mill-motor-311034/)

Anbrand 03-07-2012 04:34 PM

Grain Mill Motor
I'm looking to motorize my new BC mill and have been looking at different alternatives. While searching I came across some inexpensive DC gear motor's that appear to have the required specifications.


Does anyone have experience with these or is there something I'm missing as to why they are not more widely used?

tre9er 03-07-2012 05:09 PM

1.6RPM, you want like 175RPM or you'll be there all day waiting for crush. Increasing the RPM will affect your torque, too.

1/2" low speed drill from Harbor Freight is the same price and many use them. They have locking triggers, just plug into switched outlet and you have similar setup.

Anbrand 03-07-2012 05:13 PM

The 1.6 should read 160. It appears to be a misprint. I already have a corded DeWalt but I'd rather have a dedicated motor.

tre9er 03-07-2012 05:24 PM

I'd say it sounds good then. Do you have a DC power source for it?

Misplaced_Canuck 03-07-2012 05:41 PM

350mA @ 12VDC = 4.2W. I seriously doubt that it puts out 160RPM @ 78 in-lbs?


tre9er 03-07-2012 05:51 PM

I thought it sounded like a lot of torque for a DC motor, but I'm no expert

Misplaced_Canuck 03-07-2012 07:40 PM


Originally Posted by tre9er (Post 3868246)
I thought it sounded like a lot of torque for a DC motor, but I'm no expert

78 in-lbs = ~6.5 ft-lbs. Not that much.


Anbrand 03-07-2012 08:09 PM

Checking into it more it looks like it's 100:1 reduction - used for feeding stove pellets. My bad. Back to the drill.

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