El primer avión que utiliza energía solar pala volar está siendo evaluado en Suiza. Después de seis años de intensa investigación, el equipo de alrededor 70 personas ha construido el HB-SIA, que consta de 63 pies de alas, similar a un boing 747, pero sólo con un peso similar a un automóvil. En las alas se ubican mas de 12.000 celdas solares que energizan los cuatro motores eléctricos (<10 Hp), ademas de recargar una batería que le permitiría efectuar vuelos nocturnos.
Solar Impulse - Avion solar
Este avión prototipo presenta un cuadro de instrumentos reducido sólo a lo esencial y una cabina sin presurizar, por lo que no podrá volar por encima de los 8500m de altitud. Constituye un primer intento para optimizar el equilibro entre consumo energético, peso, rendimiento y control. Su objetivo no es intentar dar una vuelta al mundo, pues su diseño no lo permitiría, sino cumplir varios objetivos:
Validar los resultados de las simulaciones informáticas, las opciones tecnológicas y las técnicas de construcción.
Experimentar un tipo de vuelo aún desconocido, puesto que nunca hasta hoy un avión con las mismas características en cuanto a tamaño, peso y velocidad ha conseguido volar.
Poder almacenar suficiente energía solar durante el día para demostrar la viabilidad de un ciclo completo día-noche-día (vuelo de 36 horas).
La construcción de esta nave comenzó en Junio del 2005.
Referencias:
Energy Business Daily
Solar Impulse
Video:
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