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Mars Rover touchdown August 8, 2012

I understand the point of $$ being spent but would you rather see this or more $$ to welfare :lmao:

But really its things like this that actually end up helping us with new innovations even things we use everyday.

I can't remember the article but it talked about the shuttle missions and how things learned by doing that trickled down to us.

Kinda like the saying if you don't move or take a step you will never get anyplace..
 
I'm surprised that some type of aircraft hasn't been used yet for mapping/site seeing. I would think it could cover a lot more ground.
 
BigSki said:
I'm surprised that some type of aircraft hasn't been used yet for mapping/site seeing. I would think it could cover a lot more ground.
Click to expand...

The atmosphere there is almost non-existent compared to Earth. Can't fly through the air if there isn't enough to generate lift. "thumbsup"

Otherwise, they've been using satellites for mapping.
 
Duuuuuuuude said:
The atmosphere there is almost non-existent compared to Earth. Can't fly through the air if there isn't enough to generate lift. "thumbsup"

Otherwise, they've been using satellites for mapping.
Click to expand...

I wasn't necessarily thinking of a fixed wing aircraft, maybe a blimp of sorts although that would have it's own issues, such as flight control interface with the 14 minute round trip times for radio signals.
 
Duuuuuuuude said:
The atmosphere there is almost non-existent compared to Earth. Can't fly through the air if there isn't enough to generate lift. "thumbsup"

Otherwise, they've been using satellites for mapping.
Click to expand...

So parachutes, dust storms, and dirt devils aren't possible?
Why not ultra high rpm, adjustable pitch rotor blades using HH motor with a high voltage power source like decaying plutonium and a 5 speed tranny? :lmao:
 
Hunter711 said:
So parachutes, dust storms, and dirt devils aren't possible?
Why not ultra high rpm, adjustable pitch rotor blades using HH motor with a high voltage power source like decaying plutonium and a 5 speed tranny? :lmao:
Click to expand...

I didn't say there was NO atmosphere, just very little compared to what we've got. Parachutes would work, but not as effectively (part of the reason they used rockets to slow the rover instead of a parachute all the way down).

You could engineer something to fly, but the wings would have to be huge and extremely lightweight. It would almost be like asking a fish to swim through the air.
 
Duuuuuuuude said:
I didn't say there was NO atmosphere, just very little compared to what we've got. Parachutes would work, but not as effectively (part of the reason they used rockets to slow the rover instead of a parachute all the way down).

You could engineer something to fly, but the wings would have to be huge and extremely lightweight. It would almost be like asking a fish to swim through the air.
Click to expand...

This is why I was thinking about an airship ( blimp, balloon, whatever you want to call it)
it would only need to create lift by overcoming gravity, not moving air over a wing, but since I'm not an aerospace engineer I'm not sure if the thinner atmosphere would have a direct relationship with using a gas envelope to create lift. My logic could be completely flawed.
 
BigSki said:
I'm surprised that some type of aircraft hasn't been used yet for mapping/site seeing. I would think it could cover a lot more ground.
Click to expand...
i would think fuel is the problem there..edit i see your thinking airship..hmmm, thin atmosphere but might be possible..would need not to much power to push it along maybee some solar cells..i think it does get stormy though..the sand particle might tear it up
 
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