Pedal-Powered Food/Grain/Coffee Mill

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This article is a draft. It was just started and needs further work.


Short Description

  • Problem: Lack of electricity or lack of an electrical grinder.
  • Idea: Combine a bicycle and a hand mill to a pedal-powered mill.
  • Difficulty:
  • Price Range:
  • Material Needed: Bicycle, metal bars, wood, hand-operated mill, welding device
  • How Many people?
  • How Long does it take?

Concept

Pedal Mill
The machine is easy to operate, easy to maintain and reasonably portable. It can be used anywhere by virtually anyone. It is also a simple matter to switch from degraining to milling by unbolting one appliance and attaching the other.The Mill function has the capacity to mill 3 lbs. per minute of any type of grain or coffee beans. The most common use is for milling yellow maize, soya beans, and other elements that make up animal feed. The Corn Degrainer for example is used postharvest and easily degrains 1200 to 1500 lbs per day.

How to Build the Mill

The Mill
- move the table mount as shown, leaving a square, flat edge.Our adapted axle needs a pipe shim. Insert one if required and trim any excess.
The corn thresher is adapted in a similar way.
Here we have the interchangeable thresher and the degrainer, adapted to pedal power.

The Chassis
Weld the bike frame in place, lining up the sprockets so the chain will run straight. You will need to bend the drive-side chain stay in order to clear the chain. To form a better bond, the frame is flattened and bent before welding to the chassis. File any sharp edges and paint.

The Flywheel
coming soon

The Seat
coming soon

The Handlebars
coming soon

The Chain Assembles
coming soon

Success Story

Guatemala

References and Further Reading


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