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The same robot dumping its massive load of regolith. Notice the dust jets that suddenly shoot out as soon as the vibrational system turns on. Dust will be the biggest tech challenge on the Moon but it is solvable. Also notice the flashing navigation system for autonomous ops.

Phil Metzger

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63,608 次观看 • 1 年前 •via X (Twitter)

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Joel O’Bryan 的头像

Joel O’Bryan1 年前

on airless Moon, the dust falls to the surface like each microscopic grain was a cannonball on Earth. The (-)electrostatic charge of regolith dust means it coats everything and sticks. Positive charged panels and Teflon coatings can reduce its accumulation.

VistaShares 的头像

VistaShares1 年前

Discover the future of AI investing. AIS delivers exposure to the companies driving the next wave of innovation—semiconductors, data centers, and AI applications. Explore the supercycle today.

Matthew-Beyond 7 Designs 的头像

Matthew-Beyond 7 Designs1 年前

Testing seems challenging, because it's infeasible to completely replicate the vacuum and low-gravity.

Phil Metzger 的头像

Phil Metzger1 年前

True! For space missions, the system validation has to include a mixture of both testing and modeling/analysis. Testing alone (here on Earth) is never enough.

Jim 的头像

Jim1 年前

@JoeTegtmeyer Not like you can just pour water on it to manage the dust…. That dust is hella sharp and will destroy rhe robot

Phil Metzger 的头像

Phil Metzger1 年前

@JoeTegtmeyer Yep. Getting adequate reliability in the dust is probably the main challenge. I think it is solvable.

meow464 - e/acc 的头像

meow464 - e/acc1 年前

I agree that dust will be a big problem. But it will also fall immediately, no?

Phil Metzger 的头像

Phil Metzger1 年前

Mostly, yes. But it falls 1/6th the acceleration of Earth so it does take longer and can travel horizontally farther in the low gravity.

Lunar Lander🛰🛸🚀🪐 的头像

Lunar Lander🛰🛸🚀🪐1 年前

Aside from the electrostatic mitigation experiments of lunar dust, it seems that wetting it could go a long way to reduce its effects on equipment and humans. Can mud or a pasty consistency even be made from the regolith?

Phil Metzger 的头像

Phil Metzger1 年前

The water would flash evaporate immediately in vacuum. I have soaked lunar regolith and it returns to a pure dusty state after drying. No cementation, since there are no clay minerals or similar in the soil.

Pyritohedral hypergon in blue and gold 的头像

Pyritohedral hypergon in blue and gold1 年前

How do you simulate effects of charged dust particles on the moon?

Phil Metzger 的头像

Phil Metzger1 年前

The dust does get tribocharged during mining, but we can’t replicate the real lunar plasma environment here on Earth.

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