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Students from the UPC build a plane that can carry five times its own weight

The team of students Trencalòs 2009 ' has built an unmanned original and unpublished aircraft capable of taking off and flying with a load five times its own weight. The 'Trencalòs' is able to take off and fly 60km/hour carrying a weight of up to 10 kilograms. The secret: the intensive teamwork over nearly two years during which the students carried out calculations, created their own material for the aircraft, designed the form and made dozens of tests to achieve a prototype capable of flying.

UPC Trencalos plane
The aircraft 'Trencalòs 2009' has a projected horizontal area of 0.7 m2, with a 360W power motor, it is able to take off decisively on a track 60 meters long. With a 3 meter wingspan, it weighs less than 2 kilograms and has a battery of 300 grams. The 'Trencalòs 2009' flies at 60km / h with a full useful cargo in the form of lead and a battery, concentrated in one spot, squeezing the most of its properties to carry out the mission: to fly for a certain time with maximum possible weight .

The wings are the key. That is why the students from the Polytechnic University of Catalonia (UPC) at the Campus of Terrassa have placed a bet for its aerodynamic design where the calculation of the wing optimizes the requirements of the mission, based on the knowledge that they had acquired during the studies and with the help of external software and some developed by them.

The first structure of the prototype was built with carbon fibre laminates and composite materials and tested with the first prototype to detect the problems that might arise before building the final prototype for competition. A total of seven weeks after the design and another seven were necessary for construction to achieve the first successful and definite flight of the 'Trencalòs 2009'.

At the project of  Quebrantahuesos 2009 several sponsoring companies have collaborated: the consultancy firm Ábaco Ingeniería, ,the precision mechanics company Gutmar, the private foundation Centre of Aerospace Technology (CTAE) , as well as the Higher Technical School of Industrial Engineering and Aeronautics of Terrassa (ETSEIAT).

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