Innovative technology
Mars helicopter´s first flight in the Martian atmosphere

Challenging lightweight construction

"The biggest challenge in developing the motors was the extreme weight requirement," says Aiko Stenzel, design engineer at maxon. "Every tenth of a gram had to be saved to make the helicopter fly. What's great is that despite the weight savings, we found a drive solution that has enough power to adjust the rotor blades. And this in the face of high vibrations and temperature fluctuations." The standard variants of the DCX motors are available for everyone and can be configured online according to the individual wishes of customers. Eugen Elmiger, CEO of the maxon Group, watched the NASA transmission of the first flight data live and is thrilled: "It is a fantastic feeling to know that our precision drives worked as planned and that we were able to make our contribution to this historic event. I am proud of our employees and look forward to the next milestones on Mars."

BLDC motors in the rover

maxon's drives are also used in the Perseverance rover, on the underside of which the helicopter landed on Mars on February 18, 2021. These are ten BLDC motors and a special gearbox that will be used, among other things, to handle the soil samples inside the rover. The first of these motors has already successfully completed its task: It placed the Mars helicopter safely on the ground two weeks ago.

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