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Old 04-04-2009, 03:54 PM   #1
freddyb
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It's a pedal-powered grain mill!


I didn't like using my drill to power the PhillMill II because it felt like there wasn't much speed control with my crappy Harbor Freight drill. So, I had an idea to power the mill using one of the many bicycles that I've accumulated over the years.

Previous setup


Shoulder screw from McMaster and roller chain sprocket from an Ebay scooter store...it was a lot harder to find a bike chain compatible roller chain sprocket than I thought it would be. Most are too thick. This one fits a BMX chain (1/8")


Welded together and hit with a squirt of Krylon



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Old 04-04-2009, 03:58 PM   #2
freddyb
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I don't have an indoor trainer stand which would probably have worked better, so I made a stand out of the rear triangle of a Mixtie junk bike. The flip/flop hub on my fixed gear bike allowed me to mount sprockets on both sides. Added a cheap-o freewheel to drive the mill on the left side.




Here's a YouTube video of the movement:


I'll probably need to put a dumbell or a brick on the wooden platform to keep it from moving around. Or I might make a bracket to attach the platform to the stand. I'll figure it out once I give it a try.



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Old 04-04-2009, 03:58 PM   #3
TwoHeadsBrewing
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OMG dude, that is awesome! Love the idea, now we just need a video of it in action!

EDIT: LOL, you're quick with that vid...
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Old 04-04-2009, 04:05 PM   #4
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Haha Awesome! Get some exercise on brewday, and brew some beer. Win win!

 
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Old 04-04-2009, 04:09 PM   #5
lamarguy
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Aug 2008
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Ha....Congrats on the "green" grain mill.

I'm way too lazy to pedal a bike to mill my grain...Maybe my gf would, but not me.
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Old 04-04-2009, 04:22 PM   #6
SowegaBrews
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and i quote...

Quote:
Originally Posted by fastricky View Post
I don't think a day goes by on this Forum where I'm not completely floored by man's ingenuity when it comes to making beer.

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Old 04-04-2009, 04:26 PM   #7
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That's awesome. I'll keep my drill but I'm once again amazed.
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Old 04-04-2009, 04:39 PM   #8
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Quote:
Originally Posted by SowegaBrews View Post
and i quote...and i quote...

Quote:
Originally Posted by fastricky
I don't think a day goes by on this Forum where I'm not completely floored by man's ingenuity when it comes to making beer.
+1

Very cool!

Now if ya can come up with a bicycle powered burner... generator... electric... pedaling like hell for a couple hours...
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Old 04-04-2009, 04:44 PM   #9
eschatz
 
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Quote:
Originally Posted by curtis97322 View Post
+1

Very cool!

Now if ya can come up with a bicycle powered burner... generator... electric... pedaling like hell for a couple hours...
I'd start 'roiding up to get my efficiency higher! But all my beers would probably be too dry because my fat ass couldn't get my mash temps up....
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Old 04-04-2009, 04:53 PM   #10
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Cool!!!

There's a NGO working in Africa that uses a bike powered mill in their food production system to help feed the malnorished in remote communities.



Quote:
2) Cycle grinder: Based on a design originally created in the mid-70’s in the US, energy is produced through a pedal-powered system that uses adjustable-speed pulleys, permitting fast and easy grinding of a variety of foods. An inexpensive modified hand mill using metal to metal plates grinds foods at least ten times faster than with traditional methods.


Seating is adjustable depending on the operator’s height and the adjustable speeds can be matched to the individual’s strength and the type of food.
It's part of the "Vita-goat" system. The VitaGoat System

Quote:
A Non-Electric Food Processing System
For Nutrition and Micro-Enterprise Development

The VitaGoat is a food processing system for developing countries. It serves as a principal vehicle for micro-enterprises, while providing the local community or social institution with high-quality nutrition. Operating without the need for any electricity supply or generator, it uses locally-available fuels, including wood or other biomass, or bottled gas, for the cooking section of the operation. This is a critical feature, due to the unavailable or unreliable supply, and/or high cost of electricity in most developing countries.
But yours is sleaker and purdier.


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