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**CastleHollow** · 09-12-2012, 05:19 PM

My wife accuses me of never wanting to throw out anything. And she's right. Lots of excess parts & equipment in my workshop/brewshed/garage. I usually hang on to things well past their useful life, just because I might be able to figure out a use for them. Someday.

Like a B&D 7 1/4" circular saw, with a bent up shoe, a broken guard, and something wrong with the height adjustment so the blade was permanently stuck on 2". I don't use it for cutting anymore, but the motor is still in fine condition.

If I could pop some rivets and dismantle the saw, I know I could use the motor for something in my brewshed. Power for a grain mill is the only thing I could come up with, but that might be too much torque and I'd really have to come up with a good design. And a grain mill.

Any thoughts on how I could repurpose this perfectly good motor?

**Greenbasterd** · 09-12-2012, 05:24 PM

you would need some sort of gear system to slow that sucker down!!

strumke · 09-12-2012, 05:28 PM

Can you have too much torque for a mill?

**GilaMinumBeer** · 09-12-2012, 05:30 PM

Quote:

Originally Posted by strumke

Can you have too much torque for a mill?

Do you want the mill to stop when a stone goes in, or do you want stone dust?

COLObrewer · 09-12-2012, 05:36 PM

Pulleys and a belt. . . . .or two.

strumke · 09-12-2012, 06:02 PM

Quote:

Originally Posted by GilaMinumBeer

Do you want the mill to stop when a stone goes in, or do you want stone dust?

I'd probably say stone dust... otherwise I'd need to pull all of the grain out of the hopper and avoid having it fall into the milled stuff when I'm moving everything around, pull out the stone, reassemble and try again. Stone dust would filter out with the grains or settle out with the trub, no?

Am I thinking about this the wrong way?

COLObrewer · 09-12-2012, 06:08 PM

People put rocks in their mill? Why? . . . . Lol, I've never had a stone in malt, that I know of, I'm using an old large corona however. Is this really a problem? Stones?

**GilaMinumBeer** · 09-12-2012, 06:11 PM

Quote:

Originally Posted by strumke

I'd probably say stone dust... otherwise I'd need to pull all of the grain out of the hopper and avoid having it fall into the milled stuff when I'm moving everything around, pull out the stone, reassemble and try again. Stone dust would filter out with the grains or settle out with the trub, no?

Am I thinking about this the wrong way?

In reality, with too high torque on the motor and IF it is directly coupled, it is more likely that the shaft would shear or strip.

But, if the stone did grind through, it'd be a downward spiral from there. What kind of stone was it? Will it over calcify my mash? How many ppm hydroperuvic acid does it take to counter the effect of a 1/4" diameter igneous pebble? Will it ruin my beer? Will my yeast be stoned to remember the munchies?

Quote:

Originally Posted by COLObrewer

People put rocks in their mill? Why? . . . . Lol, I've never had a stone in malt, that I know of, I'm using an old large corona however. Is this really a problem? Stones?

Is it a problem? Yes.

Is it a common problem? More common than you would think but not an every bag situation. Applies more to bulk buyers more than anything.

**SoonerDoc** · 09-12-2012, 06:12 PM

I'm starting to think of the movie Fargo.....

strumke · 09-12-2012, 07:40 PM

Thanks, all good points, but then where do you draw the line for torque? I ask because I picked up an absurd motor (from an industrial shredder) for cheap that I was going to eventually hook up to the mill (MM-2).

I had looked at a torque limiter, but at that price I can pick up a smaller motor.

Quote:

Originally Posted by GilaMinumBeer

Will my yeast be stoned to remember the munchies?

If the yeast were stoned, wouldn't they have better attentuation?