Electricity Unmanned Helicopter First Flight Successfully
Chretien succeeded in designing the helicopter within 12 months. As reported by Popular Science, on Tuesday (06/09/2011) This electric helicopter successfully made its first flight on August 12, 2011 ago. Altitude on the first flight is one meter. It is very very low. However, this still can not be underestimated because it managed to beat the previous electric helicopter, Sikorsky, which is designed without a crew.
Creates an electric helicopter is not easy. The helicopter known as the vehicles are "hungry" energy. Different helicopters aircraft that requires only a great power during take off and operate with minimal resources while at altitude and landing. Chretien himself had to think hard when asked to design the Solution F unmanned electric helicopter. He must think in order to design a helicopter slim as possible, as light as possible and as efficiently as possible so that it can reduce the energy required.
The results of the design are co axial rotor design that throw the weight of the control cyclic and tail rotor is not efficient, and prefer a "fin" tail rotor blades simple and the system that allows pilots to set the direction of motion of the helicopter. Chretien also use aluminum material and lithium ion polymer pouch that easily evaporate under the seat to ensure comfortable and the crew landed safely on the rough surface. Not yet clear whether this will be commercialized helicopter.
