British engineer invents pedal powered water pump

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Washington, May 30 (ANI): A British engineering student has invented an innovative bicycle-powered water pump.

Jon Leary, 24, a MEng student in the University of Sheffield's Department of Mechanical Engineering, took his bicycle machine design from a Steel City drawing board to the heart of Guatemala as part of his dissertation, which required him to 'make something useful out of rubbish.'

During his four month stint in Guatemala, Jon spent time improving the design for his bicibomba movil - a mobile bicycle-powered water pump to be used for irrigation and general water distribution - by working with the Guatemalan NGO Maya Pedal, who design and build a variety of weird and wonderful bicycle machines using abandoned bikes sent over from the US and Canada.

Jon created the machine using a normal bike, which is plugged into a frame with an old electrical pump converted to a friction drive attached to the back wheel.

The back tyre of the bike makes direct contact with the former armature of the motor, which is covered with rubber from an old tyre to give better grip.

The machine was tested to a range of heights and on flat ground the pump can achieve a 40 litres per minute flow rate - equal to about three normal showers. At 26 meters, a flow rate of 5 litres per minute can be achieved.

The bike frame can be built quickly and easily using only basic workshop tools and materials, including a few lengths of angle iron, some flat lengths of metal, bicycle seat posts and seat tubes, and a scrapped standard electric centrifugal water pump.

Jon4s bike is completely mobile - when a person is done pumping, they can simply flip the frame upside down and it will sit on top of the back wheel like a pannier rack.

This mobility enables users to pump from the bottom of the hill to a mid-way tank until full, and then continue pumping from the mid-way tank to the top of the hill.

The number of mid-way tanks can be increased indefinitely, effectively making the pumping distance unlimited.

The machine is now in regular production in Guatemala and at least six more models have been made since Jon's departure from the country last summer.

Jon said: "When I was asked to design a novel product from waste material for my Master's thesis, I never would have expected that I'd end up welding together bicycle machines in the highlands of Guatemala! Working at Maya Pedal was like being on Scrapheap Challenge - there is a storeroom full of stripped down bicycle parts, a workshop full of tools and the only limit is your own imagination. There was never a dull day, the volunteers came from all around the world to be there and everyone in the local town was so friendly - it's certainly an experience I'll never forget."

Dr Steve Bradbury from the Department of Mechanical Engineering at the University of Sheffield, said: "It is gratifying to see that the design expertise that we foster in our students can be utilised in worthy projects such as this. It is a result where everybody wins; Jon, the University and most importantly, the people of Guatamala." (ANI)

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