Maya Pedal Bicycle Mill
Maya Pedal’s Bicycle Mill is a pedal-powered machine adapted to fit a manual grinding mill or a corn thresher.
Bicimáquinas are pedal-powered machines that assist with a variety of jobs at home, on the farm, on the road, and in small businesses. Each bicimáquina is handmade in Maya Pedal’s workshop using a combination of old bikes, concrete, wood, and metal. Maya Pedal’s Bicycle Mill is a pedal powered machine adapted to fit a hand-powered grinding mill or a corn thresher. The most common use is for milling yellow maize, soya beans, and coffee.
Maya Pedal receives bicycles as donations from the U.S. and Canada and provides them at subsidized rates for less fortunate families. Interview with representative
Low-income families in Guatemala.Interview with representative
Maya Pedal accepts bikes donated from the USA and Canada of which they use the components to build a range of “Bicimaquinas”, (pedal-powered machines), including the Bicycle Mill. Bicimaquinas are individually made in Maya Pedal’s workshop, which is staffed by locals and by volunteers from around the World. It is built using locally available materials. The entire frame of Maya bicycle pedal is made from steel. It is obtained from an old bicycle frame including the crankset. The electrodes designed for cast steel to weld some part of the bicycle is used to build this product. And to have a better bond, the frame is flattened and bent before welding to the chassis.
Open source. Interview with representative
Users can obtain the Bicycle Mill directly from Maya Pedal, or create their own by using the provided instructions.
List of crops that this technology mills
How is the technology powered?
Energy required to power the product, measured in watts
Is the technology movable?
The bicycle provided by Maya Pedal can be fabricated following the steps detailed in the instruction guide. The bike frame is made by following the dimensions: 450mm of seat tube, 250mm of the down tube, and the entire length of the chainstays.
The pedal Powered mill is built by starting the adaptation of the hand mill, then making chassis of the bike is made by cutting the frame as described in the instruction document. The third step concerns making the flywheel from a 20” wheel which can be done by following two steps as described in the instruction manual above. This step is followed by the construction of the seat with recycled plywood.
The handlebars are made during the 6th phase by using steel dropped racer bars cut in half. The manufacturer weld 8mm bolts onto 20mm washers to bold on it. The Chain Assembly is the last step to get the Pedal powered mill construction done.
Technical support is provided directly from Maya Pedal. Interview with representative
Maya Pedal also provides training workshops to NGOs interested in implementing pedal technology in their own communities, including bicycle machine repair, maintenance, and innovative uses for the machines.
Replacement components can be provided by Maya Pedal.Interview with representative
The average life of a bicimaquina is over 20 years.Interview with representative
- The machine is easy to operate.
- Easy to maintain and portable.
- It can be used anywhere by anyone.
- It can easily switch from de-graining to milling by unbolting one appliance and attaching the other
No third-party organizations, only testing performed by designer.
No specified safety precautions.
Bicimáquinas can be adapted to fit a variety of attachments for different tasks such as milling/threshing, pumping, blending, serve as a washing machine or handcycle.
Tanjimul, H.P. et al., 2016, Generation of Electricity by Pedal power. Bachelor thesis of Science in Electrical and Electronic Engineering, Islamic University of Technology.
The owner of the final product can evaluate his product after some time of use.
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