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Questions tagged [power]

Questions regarding energy used to operate a mechanical or electrical device.

3 votes
1 answer
168 views

Other than rockets, have internal combustion engines run in space?

According to https://en.wikipedia.org/wiki/Advanced_Cryogenic_Evolved_Stage The Advanced Cryogenic Evolved Stage (ACES) .. proposed (using) a lightweight internal combustion engine to use hydrogen ...
Woody's user avatar
  • 22.9k
7 votes
2 answers
498 views

How does the power output of the 33 Raptors on SpaceX's Superheavy compare to the power distributed on America's electrical grid?

I recall hearing somewhere that the Space Shuttle's power was similar to that of the US electrical grid at some point in the past - but that might have been a myth. If anyone thinks that they know how ...
phil1008's user avatar
  • 7,403
4 votes
1 answer
218 views

Solar Turbines on the moon

Related to other questions about power generation on the moon. URL's will be added shortly... Given that force is experienced by objects hit by sunlight, such as a solar sail, would a turbine of some ...
AnarchoEngineer's user avatar
-6 votes
1 answer
188 views

Windmills in Space [closed]

What if we put a windmill like we use now in space like on moon or a space station so its attached to the surface and since we have no wind we use air tanks in the blades to rotate, everytime it slows ...
Shubham Chaudhari's user avatar
2 votes
0 answers
66 views

EPS sizing for lunar mission

As part of a university project, I am working on EPS sizing for a mission to the lunar environment. I have sized the SA and batteries, chosen the components and the PDCU; however, having never been in ...
andrescpa's user avatar
8 votes
2 answers
2k views

Lunar nuclear power system - how can hydrogen generated on the Moon be liquefied?

In September 2020, NASA asked for proposals for a lunar nuclear power system. The 10-kW water electrolysis system can create 5-10 tons of hydrogen in a week from the Moon’s surface ice. How would you ...
TheMatrix Equation-balance's user avatar
6 votes
1 answer
217 views

How would we power probes or spaceships over hundered or thousands of years?

There are different optimal power sources for probes and spaceships for different kinds of missions. Solar Well suited for many missions in the inner solar system. Only limited degradation over time ...
TrySCE2AUX's user avatar
  • 3,255
2 votes
2 answers
200 views

best way to generate electricity on any planet's dark side

What options are available for generating electricity in a space colony if it is at the planet's darkest point all year around without help from nearby outposts?
Osm's user avatar
  • 121
8 votes
2 answers
212 views

Electric sails power consumption

According to Wikipedia, the E-sail consumes about 540 W (https://en.wikipedia.org/wiki/Electric_sail#Fast_missions_to_planet_Uranus) But this consumption is continuous, and considering an engineering ...
Ricardo Casimiro's user avatar
4 votes
1 answer
655 views

Why the Space Shuttle electrical system is so complex?

This is me, having too much free time and deciding to learn how the electrical system of the Space Shuttle worked. So, because I couldn't find any "easy to read" diagram online, I built a ...
ocirocir's user avatar
  • 535
5 votes
1 answer
856 views

What is the relationship (if any) between NASA's Kilopower project and its request for 40 kW reactor designs?

Gizmodo's NASA Wants to Put a Nuclear Reactor on the Moon begins NASA is teaming up with the U.S. Department of Energy’s Idaho National Laboratory to develop a non-solar power source on the Moon by ...
uhoh's user avatar
  • 149k
1 vote
2 answers
257 views

How many watts of electricity are available for systems during a Mars transit?

The 40+ year old Voyager probes have three Radioisotope Thermoelectric Generators (RTGs) currently producing 249 watts, losing around 4 watts per year. They began with 470 Watts. The Curiosity Rover's ...
Dan Sorensen's user avatar
  • 3,581
12 votes
2 answers
432 views

Is lunar exploration going to need a whole heck of a lot of RTGs? If so, have they started firing up the RTG-making reactors yet?

The November 16, 2021 Northrop Grumman Press Release Highly specialized team to design vehicle for sustainable lunar surface mobility operations begins Northrop Grumman Corporation (NYSE: NOC), is ...
uhoh's user avatar
  • 149k
4 votes
2 answers
585 views

How to compute each of these link budget terms?

The terms in Equation are all in decibels (dB), which is logarithmically scaled. In Equation, $P_{rx}$ is the received peak power, $P_{tx}$ is the transmitted peak power, $G_{tx}$ is the transmitter ...
Noel Miller's user avatar
2 votes
0 answers
95 views

Maximum lift of a helicopter in Mars' atmosphere?

Maximum lift of a helicopter in Mars' atmosphere? Inginuity has been a success. It begs the question of full-scale helicopter transportation on Mars. However, low Martian atmospheric density means a ...
Woody's user avatar
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