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NASA: Mars helicopter Ingenuity successfully completes 14th flight

By Don Jacobson & Paul Brinkmann
NASA: Mars helicopter Ingenuity successfully completes 14th flight
An illustration depicts NASA's Mars helicopter Ingenuity flying on the Red Planet. File Image courtesy of NASA

Oct. 25 (UPI) -- The Mars helicopter Ingenuity has successfully performed a short Martian flight to test summer weather conditions at its location on the Red Planet, NASA announced Monday.

The flight, Ingenuity's 14th, was brief and simple by design. As weather at Jezero Crater gets warmer, the aircraft's rotors must turn faster to achieve flight, so engineers have designed a quick hop to test the helicopter's performance.

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Ingenuity "successfully performed a short hop in its current airfield to test out higher rpm settings so it can fly in lower atmospheric densities on the Red Planet," the agency's Jet Propulsion Laboratory said in a tweet. "This test also leaves the team room for an rpm increase if needed for future flights."

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Ingenuity and the rover Perseverance emerged from an almost-complete blackout in communication Thursday after Earth and Mars moved so that the sun came between them. Only short pings of transmissions were attempted during the solar conjunction, to ensure the robotic explorers were functioning.

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As of Friday, NASA engineers believed Ingenuity was healthy after the tiny, 4-pound aircraft spun its rotors for a brief preflight test.

NASA designed the aircraft to fly five times, and it already has flown 14 missions. After its initial success, NASA transitioned to using the helicopter as a scout for the Perseverance rover rather than a simple technology demonstration.

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Ingenuity previously aborted an attempt at the 14th flight in September. Data indicated that was due to a problem with mechanisms that help control direction and position of the rotors. But two subsequent spin tests of the rotors did not repeat the problem, NASA engineers said.

The engineers said they are concerned that Ingenuity's parts could be wearing out due to the stress of extreme temperatures and the extended nature of the helicopter's mission.

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NASA's Perseverance Mars rover, using its Mastcam-Z camera system, captured this view of the Martian sunset on November 9, 2021, the 257th Martian day, or sol, of the mission. Martian sunsets typically stand out for their distinctive blue color as fine dust in the atmosphere permits blue light to penetrate the atmosphere more efficiently than colors with longer wavelengths. But this sunset looks different: Less dust in the atmosphere resulted in a more muted color than average. The color has been calibrated and white-balanced to remove camera artifacts. Photo courtesy of NASA | License Photo

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