Dufour completes first section of VTOL tech demonstrator flight testing – Drones Information
Building on our experience in manned electric flight with our aEro 1 aerobatic aircraft, we are proud to inform you that we have completed the first phase of the flight tests of our demonstration aircraft with VTOL technology. During 550 test flights, in which the flight envelope was gradually expanded, we have demonstrated a high level of stability and control in all conditions, including the transitions from hover to cruise and back again.
Inspired by Canadair’s pioneering work with the CL-84 fifty years ago, our research has shown that convertible aircraft with tilting wings offer a high level of safety and efficiency.
Felix Rubin, senior aerodynamics engineer, commented, “On a larger scale, wind currents over bottom-hung wings are more turbulent and difficult to predict, and care must be taken to ensure that the aircraft remains stable during the transition. With this large unmanned aircraft we have now been able to show that we can achieve this stability with high Reynolds numbers. “
Jasmine Kent, CTO, commented: “From our simulations, we expected our proprietary bottom-hung control system, which has been developed over the past two years in collaboration with ETH Zurich, to perform well. However, it is encouraging to see that its performance and stability have exceeded our expectations. “
Thomas Pfammatter, CEO, commented: “I am proud that the team was able to build on the electrical drive technology and flight test processes that we developed with aEro 1. We now have solid experience with both manned electric fixed wing and eVTOL technology. As a rescue pilot for helicopters, I look forward to bringing them together. “
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This is unusual and a good sign, a drone company that is honest about the legacy (ed)