Elachi: Possible Mars 2020 helicopter drone would launch w/ Rover, fly around on Mars and scout out ground. Search for hazards, safe routes.
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@En_Be_Do Elachi says they got a small-scale helo to fly in a Mars atmo chamber already. Full-scale test in March 2016. He says it works.
@leone_sn @en_be_do See footage of a prototype Mars helicopter during testing here on lab. https://youtu.be/vpBsFzjyRO8
