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(YouTube)   Fifty years ago today, Apollo 15 landed on the Moon and for the first time the astronauts had a rover for the astronauts to ride. So how the fark did the astronauts deploy a farking car? See for yourself with video of the Moon buggy being deployed   (youtube.com) divider line
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770 clicks; posted to STEM » on 30 Jul 2021 at 10:41 PM (12 weeks ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook



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2021-07-30 10:53:32 PM  
When a Lunar Lander and a Command Module love each other very much...
 
2021-07-30 11:04:52 PM  
Fifty years ago today, Apollo 15 landed on the Moon

Fake news.
 
2021-07-30 11:46:28 PM  
i0.kym-cdn.comView Full Size


/ just had to
 
2021-07-31 12:17:48 AM  
Many years later, Putt Putt was befriended by Rover, and was returned to Earth in an alternate timeline.
 
2021-07-31 12:41:15 AM  
mmmyeah.... looked at this pretty recently.

Not much to say

EXCEPT!!!

When you tally up all the stuff that has been left on the moon, it is not really a whole lot in absolute terms, but a lot of this stuff has not been eroded or degraded much at all. We have diagrams, schematics, pictures, and data of all kinds.. We don't have to carry everything there if it is already there.

Someone should design a bolt-on kit for the rover, including about 1 kg of solar panels and a charger\conversion pack to get the rover working again. Then turn it into a truck and excavator. Using a very simple tether and hook system, you could start moving some boulders and do some digging to make a barrier and cover for a very thin dome structure.

Take some parts from the descent module, and cut some pieces with solar powered lasers or use the rover wheel motors to make angle grinders to finish out your shelter. All of the materials are known in advance, so just rehearse your demolition and construction in advance and then go do it on the moon in a day or so.

OR

Take the rover, attach another bolt on trailer, and take the materials to do your construction at a nearby site with slightly better conditions.

I can hear people guffawing... well. I take umbrage. The solar flux on the moon is something like 7 to 14 times what it is on Earth, so 1 kW of panels on earth, which is basically four panels (a ping pong table), would give you 7--14 kW of output on the moon, constantly. So you have virtually unlimited mobility.

Once you have your shelter, put an aluminum smelter inside it, solar powered, and start cooking the regolith to make aluminum and oxygen. Just let that go for another day, and your shelter will have condensation, O2, and some high grade aluminum ore. Start digging inside the shelter to make it deeper and wider.

etc.
 
2021-07-31 1:02:36 AM  

2fardownthread: Someone should design a bolt-on kit for the rover, including about 1 kg of solar panels and a charger\conversion pack to get the rover working again. Then turn it into a truck and excavator. Using a very simple tether and hook system, you could start moving some boulders and do some digging to make a barrier and cover for a very thin dome structure


https://en.wikipedia.org/wiki/Lunar_R​o​ving_Vehicle

The three Lunar Rovers left on the Moon by the Apollo Program had a motor on each wheel that was 0.25 horsepower. I doubt they are strong enough to do heavy work like dragging rocks.
 
2021-07-31 1:09:43 AM  

Befuddled: 2fardownthread: Someone should design a bolt-on kit for the rover, including about 1 kg of solar panels and a charger\conversion pack to get the rover working again. Then turn it into a truck and excavator. Using a very simple tether and hook system, you could start moving some boulders and do some digging to make a barrier and cover for a very thin dome structure

https://en.wikipedia.org/wiki/Lunar_Ro​ving_Vehicle

The three Lunar Rovers left on the Moon by the Apollo Program had a motor on each wheel that was 0.25 horsepower. I doubt they are strong enough to do heavy work like dragging rocks.


Forget about much payload. The rover couldn't even support the weight of the astronauts under 1 g.
 
2021-07-31 1:29:38 AM  
For the full overview (including a view of simulated deployment) the following is the original NASA film all about the rover.

Spacecraft with Wheels: The Lunar Roving Vehicle (archival film)
Youtube 26oQ3m5EHrg


Pretty neat, as a historical record and mini time capsule.
 
2021-07-31 3:49:32 AM  
Apollo 15 as far as missions go was a parade of clusterfarks.


Fark user imageView Full Size

-- The LEM landed at a steep angle (11 degrees). The LEM was designed to take off even from angle of 15 degrees, so there wasn't much margin of error.

It also sprung a small leak in it's water cooling system, which pooled in a corner of the interior floor that the astronauts had to frequently mop up with towels.

Fark user imageView Full Size

On reentry/splashdown, the remaining fuel purge procedure damaged one of the 3 chutes. Once again, engineering prevented a tragedy because the CM could still land safely on 2 chutes.


Fark user imageView Full Size

And the biggest farkup of all was when it was found out that the astronauts had a secret deal with a postage stamp collector to sell items they carried with them to & from the Moon for personal profit. When busted, they had to turn over the postal covers and they were forever banned from any future NASA flights.
 
2021-07-31 6:25:43 AM  

2fardownthread: I can hear people guffawing... well. I take umbrage. The solar flux on the moon is something like 7 to 14 times what it is on Earth, so 1 kW of panels on earth, which is basically four panels (a ping pong table), would give you 7--14 kW of output on the moon, constantly. So you have virtually unlimited mobility.


People are guffawing at your mistake here.

At Earths orbit, the intensity of sunlight is 1,361 Watts per square meter.

On the surface of the Earth at noon on a clear day with the Sun directly overhead, it's about 1,000 Watts per square meter.

And if you average it over a whole day, it works out to be around 340 Watts per square meter, which is just around 1/4th the total irradiance received.

The moon would have the same issues, minus atmospheric absorption, because it still has nights, and in fact they last for 2 whole weeks so you end up with an average insulation not dissimilar to that on Earth.

Actually, for the Apollo sites which face Earth, slightly less, as they are on the side of the Moon which is in darkness when the Moon is closer to the Sun and farther away than Earth when those sites are in full sunlight.
 
2021-07-31 6:28:10 AM  
Insolation not insulation.

Stupid autocorrect.
 
2021-07-31 6:31:24 AM  

Befuddled: 2fardownthread: Someone should design a bolt-on kit for the rover, including about 1 kg of solar panels and a charger\conversion pack to get the rover working again. Then turn it into a truck and excavator. Using a very simple tether and hook system, you could start moving some boulders and do some digging to make a barrier and cover for a very thin dome structure

https://en.wikipedia.org/wiki/Lunar_Ro​ving_Vehicle

The three Lunar Rovers left on the Moon by the Apollo Program had a motor on each wheel that was 0.25 horsepower. I doubt they are strong enough to do heavy work like dragging rocks.


Not to mention that the electronics on the rovers could not survive all this time.

There Is also the issue that these are vital historical objects that should be preserved.

But the idea of using Apollo 17's rover post mission to explore without the astronauts was considered. But it would mean weight and cost money.
 
2021-07-31 8:55:20 AM  
Is this how lunar rovers are born?
 
2021-07-31 10:02:44 AM  
Everything great until farkin' Wubbo flips it.
 
2021-07-31 11:27:26 AM  
Don't you just love the big ads they pop up on the screen to completely obscure the last few minutes of video? Those are great.
 
2021-07-31 12:35:18 PM  
Fark user imageView Full Size

Be kind; rewind.
 
2021-07-31 3:58:49 PM  

Larva Lump: [Fark user image 350x197] [View Full Size image _x_]
Be kind; rewind.


Was waiting for this...have an upvote!
 
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