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Home Brew Forums > Home Brewing Beer > DIY Projects > Other > Motor Salvage for Grain Mill
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Old 11-13-2011, 03:55 PM   #1
horseinmay
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Default Motor Salvage for Grain Mill

My vacuum cleaner just bit the dust, but the motor is still good. I was wondering if this would be a good motor to repurpose for milling my grain. I'm pretty sure I would need a gear reducer or something. Has anyone tried this? I'll take it apart soon and get the details of what I might be working with.

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Old 11-13-2011, 05:26 PM   #2
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sounds like a great DIY project thread! my concern would be if you could get enough torque out of it and if you could slow the speed down enough

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Old 11-13-2011, 08:29 PM   #3
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I would imagine that a vac motor would turn crazy rpm. I salvaged a motor from a old clothes washer to power my grain mill. It's definitely overkill, but it was free.

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Old 11-14-2011, 03:41 PM   #4
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I took it apart, and don't think it's going to work. The motor has an impeller and spins really fast. I don't think I would be able to reduce the speed, or connect to the shaft without great complexity. To the rubble heap!

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Old 11-14-2011, 04:03 PM   #5
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I think it's probably an induction motor and the RPMs would be Uber fast.

Check around for appliance motors. Maybe Freecycle.org. Free stuff to give and ask for.

I've got like 3 old motors sitting on a shelf in the garage. There must be tons of them floating around, especially at appliance repair centers and salvage yards.

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Old 11-14-2011, 11:38 PM   #6
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Just my opinion, but if you have to buy pulleys, belts and other miscellaneous hardware to power a mill, you might be better served just buying an inexpensive 1/2" drill for 30-40 bucks.

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Old 11-14-2011, 11:55 PM   #7
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Quote:
Originally Posted by wilserbrewer View Post
Just my opinion, but if you have to buy pulleys, belts and other miscellaneous hardware to power a mill, you might be better served just buying an inexpensive 1/2" drill for 30-40 bucks.
Yes but what speed is that drill doing?
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Old 11-15-2011, 12:09 AM   #8
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Quote:
Originally Posted by wilserbrewer View Post
Just my opinion, but if you have to buy pulleys, belts and other miscellaneous hardware to power a mill, you might be better served just buying an inexpensive 1/2" drill for 30-40 bucks.


Like this Harbor Freight $29
Designed for top performance over a lifetime of use.

■Powerful 6.3 amp motor handles tough jobs
■Trigger speed switch, 0-1200 RPM
■Fully shielded ball bearings
■Machine-cut heat treated gears
■Trigger lock
■Rugged die cast aluminum gear housing
■Auxiliary handle mounts on right or left
120V, 1080 watts, 60 Hz
3 jaw chuck
Drilling capacity: 3/4" in wood, 1/2" in metal
Chuck capacity: 1/2''
Overall dimensions: 3'' W x 11-1/2'' L x 8'' H
Shipping Weight: 5.40 lbs.
image_11221.jpg  
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Old 11-15-2011, 12:14 AM   #9
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Quote:
Originally Posted by Dan

Like this Harbor Freight $29
Designed for top performance over a lifetime of use.

■Powerful 6.3 amp motor handles tough jobs
■Trigger speed switch, 0-1200 RPM
■Fully shielded ball bearings
■Machine-cut heat treated gears
■Trigger lock
■Rugged die cast aluminum gear housing
■Auxiliary handle mounts on right or left
120V, 1080 watts, 60 Hz
3 jaw chuck
Drilling capacity: 3/4" in wood, 1/2" in metal
Chuck capacity: 1/2''
Overall dimensions: 3'' W x 11-1/2'' L x 8'' H
Shipping Weight: 5.40 lbs.
I need that

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Old 11-15-2011, 12:21 AM   #10
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Quote:
Originally Posted by wilserbrewer
Just my opinion, but if you have to buy pulleys, belts and other miscellaneous hardware to power a mill, you might be better served just buying an inexpensive 1/2" drill for 30-40 bucks.
Agreed, I spent ~42 dollars just on my large pulley for the mill. However, I preferred the fit and finish of a permanently mounted motor vs a handheld drill.
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