Linked Questions

5 votes
2 answers
717 views

Will the Neumann drive start testing aboard the ISS some time in 2018?

The 2016 Daily Mail article Radical ion rocket engine that could 'get to Mars and back on one tank of fuel' set to be tested on the ISS says: Neumann Drive achieves more than 11,000 seconds of ...
2 votes
1 answer
259 views

Was the Isp = 11,000 seconds Neumann Drive tested on the ISS? Did it work? How well did it perform?

In 2018 answers were posted to What is Australia's Bartolomeo platform? When does it arrive at the ISS; when and where will it be attached? Will the Neumann drive start testing aboard the ISS ...
13 votes
3 answers
748 views

How steady is the atmospheric drag force experienced by the ISS?

Suppose one wanted to modulate the power of a hypothetical, powerful ion thruster on the ISS to continuously compensate the atmospheric drag force in order to achieve near-perfect free-fall conditions ...
7 votes
1 answer
638 views

What is Australia's Bartolomeo platform? When does it arrive at the ISS; when and where will it be attached?

In this answer to Will the Neumann drive start testing aboard the ISS some time in 2018? I first heard about Australia's upcoming Bartolomeo platform, which will be used for testing things such as the ...
9 votes
2 answers
2k views

Could a cubesat propel itself to Mars?

I wrote the answer below to the question Could a cubesat be propelled to the moon? before realizing that it said Moon and I'd written it for Mars, so I've cloned that question and moved the answer ...
7 votes
1 answer
1k views

Would it be possible to Boost ISS to L1 or Lunar Orbit?

NASA and Russia plan to retire the ISS before 2030, and to launch a new lunar outpost to lunar orbit. This output could then be a gateway to future mission to Mars or the outer solar system. My ...
5 votes
1 answer
246 views

Would ISS raise up with the help of the self-powered ion thrusters?

The solar arrays provide about 100 kW of power, so we can put the two HiPEP thusters providing 1 N (1000 mN) power combined, with the specific impulse as high as 6000–9000. Such an acceleration force ...
8 votes
3 answers
451 views

Burn 1st stage structural material as fuel?

Aluminum/Magnesium alloys can burn quite nicely. The stoichiometry is favoriable. Instead of $CO_2$ which is mostly oxidizer by mass, you might end up with $Al_2O_3$ and $MgO$ as exhaust. The ...
3 votes
2 answers
955 views

What is a non-propulsive vent?

I just hear the term "non-propulsive vent". Is it a thing, a vent that does not cause propulsion? Or is it an event, where a vent of some unwanted gas has occurred which did not result in a ...
8 votes
3 answers
2k views

Why doesn't the ISS use ion engines to maintain altitude?

So the ISS uses small thrusters on the Soyuz (usually) to perform occasional reboost burns to raise its orbit. This goes through, from what I can tell, around 3,500 kilos of fuel per year. Would it ...
6 votes
1 answer
972 views

Will the ISS have electric propulsion to maintain altitude? Is there enough power for it?

In April 2014 this comment was made below the question What propulsion methods does the ISS use for station-keeping?: In November they said in three years, so perhaps late 2016. Since such claims ...