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Monday, September 8, 2014

UP Manila prof’s ‘bangkarwayan’ a traveling lesson for his class

Benjamin Mangubat with his bangkarwayan
The “bangkarwayan”  has been a familiar sight at the UP Manila campus recently. It is a solar-and-wind-powered” car with a body made of bamboo and other recyclable materials. Its creator Benjamin Mangubat, a 60-year-old history professor at UP Manila reports to work and encourages his students to always think out of the box.

The term “bangkarwayan” used to name the vehicle  is a combination of two Filipino words which are “bangka” (boat), car and “kawayan” (bamboo).

Mangubat explained that his creation is designed for land and water, and runs on electricity generated by solar panels and a windmill. Thinking that his students can emulate his inventions, Mangubat said in an interview Friday that he wants to inspire his student to think out of the box but, many of them are simply book-learning.

The bangkarwayan, can  accommodate up to six people and has the  size of a subcompact car. It is coated with brown color,  giving it an old-fashioned look. On its roof is a  a “banig” (native sleeping mat) and “bilao” (winnowing baskets) for hubcaps.

He said that the vehicle can reach 40 kilometers per hour on land, drawing power from two sets of five 12-volt batteries while there is a second set of batteries for reserve power.

Mangubat has already driven the vehicle around Manila  and plans to take it all the way to UP Diliman campus in Quezon City next week. Meanwhile, the Land Tranporaion Office does not yet required it to be registered.

However Mangubat admitted that he had yet to test bangkarwayan in the water. But to prove it’s amphibious function, he hopes to test it in the next major flood that will hit metropolis.

As mentioned, the vehicle was made of recycled materials.  Its body was  fitted with empty plastic bottles for floaters, a rudder, a propeller, and a separate, smaller engine to power it as a boat. It has enough supply of electricity to run three electric fans, a fridge, several LED lights and a TV,”.

Mangubay said that it took him 6 years to complete the vehicle’s creation. His efforts began in 2008. He hired two technicians and a 77-year-old carpenter to put it all together but non of them had any background in automotive engineering but relied on only on the professor’s online research.

According to Mangubay, he displayed the the bangkarwayan outside the UP Manila campus as a way of telling people that this is how to source energy later on.