NASA’s X-57 Maxwell all-electric aircraft reached another milestone toward its first flight with the successful thermal testing of its cruise motor controllers. Thermal testing is important because it validates the design, operability, and workmanship quality of the controllers – critical compone
This artist’s concept image shows NASA’s first all-electric X-plane, the X-57 Maxwell, in its final configuration, flying in cruise mode over NASA’s Armstrong Flight Research Center in Edwards, California. In Mod IV test flights, X-57’s high-lift motors will deactivate during cruise mode, and their propeller blades will fold into the nacelles to reduce drag. The motors will reactivate and use centrifugal force to spin the blades back out to provide necessary lift for landing.
Thermal testing is important because it validates the design, operability, and workmanship quality of the controllers – critical components for providing power to X-57’s experimental electric motors. These complex systems have temperature-sensitive parts and must be able to withstand extreme conditions during flight.The cruise motor controllers convert energy stored in the aircraft’s lithium-ion batteries to power the aircraft’s motors, which drive the propellers.
Left to Right: Glenn’s Jarred Wilhite, Emily Belovich, Andrew Smith, and Susanah Kowalewski gather data of the X-57 cruise motor controllers during thermal cycle tests. Credit: NASA The testing team closely monitored temperature responses of the power components and the control components inside the controllers, making sure they stayed within their allowable temperature range limits of the components. Close monitoring ensures the cruise motor controllers will perform correctly during piloted research flights.
An upcoming Flight Readiness Review at NASA’s Armstrong Flight Research Center in Edwards, California, is the next major step before research flights take place.
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