New helicopter blade projects for Mars

NASA is working to enhance flight technology on Mars, focusing on helicopters capable of flying higher and farther while conducting scientific research. To this end, engineers are using high-fidelity computer simulations and wind tunnel tests to reimagine the rotorcraft blades that will carry the next generation of Martian aircraft. The SkyFall mission, scheduled for launch in 2028, will continue this trajectory with three helicopters destined for the exploration of Mars. Both projects, SkyFall and the historic flight of the Ingenuity helicopter, use blades designed to operate in Mars' thin atmosphere, with a curved edge that resembles but is distinct from those used on Earth ^1,2.

New blades for longer flights

Researchers are exploring new, thinner and sharper blade designs. These blades could allow future missions, after SkyFall, to increase the distance traveled in a single flight on Mars. A NASA team, in partnership with Imperial College London and Nagoya University, is testing a new blade cross-section, called roamx-0201. This design promises to significantly improve aerodynamic performance on Mars. The new blade was designed using advanced simulations and algorithms tailored to Martian conditions, resulting in a thinner and asymmetrical shape. Wind tunnel tests confirmed that the optimized design increased performance and improved recovery in risky flight conditions ^1,2.

Researchers used high-fidelity simulation tools to analyze the performance of the roamx-0201 blade and compare it with the Ingenuity's capability. They discovered that the redesigned blades could allow future Martian helicopters to increase the distance traveled in a single flight from 0.7 kilometers to up to 18.7 kilometers, carrying scientific instruments. The findings were published in an article in the AIAA Journal on September 22 ^1,2.