The hybrid bicycle project of seven final year automobile department students of Dharmaprakash D Banumaiah's Polytechnic College has come in second at 'do-it-yourself' project organized by Board of Technical Education at Gadag recently.
The hybrid cycle runs on solar energy, petrol and also electricity. The components in the bicycle includes two solar panels, power supply controller, lead-acid batteries, a brushless DC motor, speed controller and an internal combustion engine.
Ummer, one of the teammates, said that the solar energy captured by the panels is directed to solar power supply controller, where it is converted into electric energy and is fed to step-up battery. That will be directed to three 12W batteries which run the motor. The vehicle moves when the accelerator works.
Speaking about the concept, the students said: "Usually, BLDC motor in cars and other bicycles will be charged using electricity. But the motor here runs on solar energy, which makes it stand different."
The project, executed as part of their semester academic work, will get them marks. They took nearly one-and-a-half months to build the hybrid cycle, at a cost of Rs 35,000. The bicycle has a capacity to carry 120kg and reach 20kmph speed.
Project guide Nanada Kumar A R said: "Hybrids help reduce dependency on fossil fuels, avoid pollution and provide better mileage."
When not used as bicycle, the power generated by solar panels can be used to light bulbs and tubelights. About 200W power is produced by this, the students added.
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