![]() To optimize performance, each motor can be operated independently at different speeds, decreasing reliance on fossil fuels, improving aircraft performance and ride quality, and reducing aircraft noise. ![]() The Leading Edge Asynchronous Propeller Technology ( LEAPTech) project is a NASA project developing an experimental electric aircraft technology involving many small electric motors driving individual small propellers distributed along the edge of each aircraft wing. Phase 4 was to add the DEP motors and folding propellers to demonstrate lift-augmentation. The leading-edge nacelles would be fitted, but the high-lift propellers, motors and controllers not be installed. Phase 3 tests were to involve the high-lift DEP wing and demonstrate increased high-speed cruise efficiency. The second phase installed the cruise propellers and motors on a standard P2006T for ground- and flight-test experience. The first test phase used an 18-engine truck-mounted wing. Test flights were initially planned to commence in 2017. ![]() The experiment involved replacing the wings on a twin-engined Italian-built Tecnam P2006T (a conventional four-seater light aircraft) with distributed electric propulsion (DEP) wings each containing electrically driven propellers. The first flight of the X-57 was scheduled to take place in 2023, but the program was cancelled due to problems with the propulsion system. The NASA X-57 Maxwell was an experimental aircraft being developed by NASA, intended to demonstrate technology to reduce fuel use, emissions, and noise. ![]()
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