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Old 01-31-2013, 11:36 PM   #231
Huaco
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Where did you acquire your motor and controller?

 
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Old 01-31-2013, 11:49 PM   #232
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e-bay 25 for the motor and 40 for the controller.
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Old 02-01-2013, 05:11 AM   #233
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Quote:
Originally Posted by beaksnbeer View Post
e-bay 25 for the motor and 40 for the controller.
Any details on what to look for? Is this motor powerful enough to crack through the toughest of grains? I assume so, with such a high torque rating. It just seems low on HP.

Would servo motors work?

 
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Old 02-01-2013, 01:03 PM   #234
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Dc motors are higher in torque in a smaller package I have crushed cara-pils and corn without bogging plus it only runs at 120rpm with the geared 90
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Old 02-01-2013, 02:37 PM   #235
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Quote:
Originally Posted by Huaco

Any details on what to look for? Is this motor powerful enough to crack through the toughest of grains? I assume so, with such a high torque rating. It just seems low on HP.

Would servo motors work?
HP is torque per period of time. Low RPMs will drop the HP of a high torque motor.

Diesel engine with 6 monster pistons that maxes at 3000rpm vs tuned up 4 cylinder import that pushes near 10,000. Both could have similar HP numbers but drastically different torque ratings.
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Old 02-01-2013, 08:56 PM   #236
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Actually "Torque" is twisting force it has no time connotation it's force is always there. HP= Horse Power is measured in the amount ow work over a given time. Electric motors vs. engines is like comparing apples and orange similar "BUT" no the same. The Dart controller converts AC to DC along with a potentiometer to control speed. At the lower rpm of the DC gearmotor I am using I really don't need the the speed control. The gearmotor I was originally going to use was 98 inch lbs of torque at 280rpm which I have found with my mill is to fast, my crush is best between 90-150rpm range based on crush different grains as far as efficiency % goes this was my sweet spot for 80%-85%. Servo motors usually won't have the torque you want look at the gearmotors. I went with DC for the smaller size and the ease to control the speed/rpm with a potentiometer vs. pulleys and belt drives.
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Old 02-02-2013, 11:33 PM   #237
marcb
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Grinding 60 lbs of grain for my Pliny clone tomorrow! Go niners!!!
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Old 02-03-2013, 12:56 AM   #238
Mighty
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Oct 2011
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Built this one went with direct drive, no pinch fingers in sheves. Works great.

 
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Old 02-04-2013, 06:50 AM   #239
MaltyHops
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Nov 2011
Adelaide, South Australia
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Wow! There are some amazing mill motorizations here.

Here's my little outboard motorboat - at least that's what it reminds me of



More details in my BrewAdelaide forum post - one of the other forum members was able to source DC garage rollerdoor motors that seem to work quite well. The motor turns at 33rpm, bit slow I guess but fast eniugh fo rmy needs.

 
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Old 02-04-2013, 10:21 AM   #240
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Farmington, Minnesota
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