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7 votes
1 answer
434 views

How does the Dragonfly helicopter for Titan compare to Perseverance, Ingenuity and a human in terms of size, mass, weight and daily range?

It wasn't until Are Perseverance's wheels really this big? that I realized just how big Curiosity and Perseverance probably are. Writing What is the pop-up circular disk with spiral pattern in ...
uhoh's user avatar
  • 151k
15 votes
1 answer
999 views

Why do Ingenuity's legs differ?

In the pictures below, I notice that not all of the legs of Ingenuity are the same (look at the end of them, directly touching the surface). It looks like a single one is different than the other 3. ...
zabop's user avatar
  • 688
7 votes
1 answer
466 views

Balancing Perseverance Mars Rover; couldn't they just "move stuff around a little" rather than add 6+ kg of dead weight?

The NASA News item NASA's Perseverance Mars Rover Gets Balanced says: Just as an auto mechanic places small weights on a car tire's rim to bring it into balance, the Perseverance team analyzed the ...
uhoh's user avatar
  • 151k
9 votes
1 answer
1k views

Why does the Perseverance rover have such complicated shaped spokes in its wheels?

Phys.org's NASA's Perseverance Mars rover gets its wheels and air brakes has some interesting photos includes some nice photos and below I've included a cropped section of a photo of one of ...
uhoh's user avatar
  • 151k