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Mars helicopter

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Gyro:


--- Quote from: GlennSprigg on April 24, 2021, 12:14:37 pm ---
--- Quote from: MikeK on April 23, 2021, 08:11:23 pm ---
--- Quote from: Gyro on April 23, 2021, 07:42:44 pm ---Actually, I'm not sure I follow chemistry of that one though...  CO2 -> O2 + CO ?

--- End quote ---

Probably this:

https://www.pnas.org/content/109/39/15606

"CO2 splitting, CO2 → CO + 1/2 O2"

--- End quote ---

ARRGGHH!!!  . . .
Oxygen exists in a Diatomic state/molecule.
2 x CO2  -->  2 x CO  +  O2    :box:

--- End quote ---
Isn't that the same equation?

You can't have O but you can have half as much O2.

MikeK:
I'm assuming the authors of that article knew what they were talking about when they wrote that equation.

Brumby:

--- Quote from: Gyro on April 24, 2021, 12:35:01 pm ---

--- Quote from: GlennSprigg on April 24, 2021, 12:14:37 pm ---ARRGGHH!!!  . . .
Oxygen exists in a Diatomic state/molecule.
2 x CO2  -->  2 x CO  +  O2    :box:

--- End quote ---
Isn't that the same equation?

You can't have O but you can have half as much O2.

--- End quote ---
In a volumetric sense, I suppose - but in chemical formula expressions, I was never guided into half of anything.  You get multiples of whole molecules in a result - not half ones.

BrianHG:

MikeK:
Fourth flight is impressive:

"872-foot (266-meter) round trip"

Would be nice if this could do some scouting for the rover.  Would be really nice if it would video a descent into one of the caves.

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