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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.

http://www.3rivers.net/~cmac/gearmotors/ast-1471-5.htm

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?

MC

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

Quote:

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.

MC

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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