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originally posted by: Arbitrageur
It does not work. Have you been hiding under a rock since 2021?
originally posted by: DaRAGE
That's exactly what the EM drive does. And it works does it not?
The plasma is magnified by high-intensity microwaves and pressurized air.
originally posted by: Ophiuchus1
Interesting read…..from Popular Mechanics
Wait, Could Plasma Thrusters Really Replace Jet Engines?
The plasma is magnified by high-intensity microwaves and pressurized air.
For the down into the weeds Techies….a research paper…. Jet propulsion by microwave air plasma in the atmosphere
👽
Electrons accelerated by a magnetic field to run in a ring around that channel -- described as a "buzz saw" by Jorns -- knock electrons off the propellant atoms and turn them into positively charged ions. However, calculations suggested that if a Hall thruster tried to drive more propellant through the engine, the electrons whizzing in a ring would get knocked out of the formation, breaking down that "buzz saw" function.
Running with krypton, a lighter gas, they maxed out their power supply at 45 kilowatts. At an overall efficiency of 51%, they achieved their maximum thrust of about 1.8 Newtons, on par with the much larger 100-kilowatt-class X3 Hall thruster.
"This is kind of a crazy result because typically, krypton performs a lot worse than xenon on Hall thrusters. So it's very cool and an interesting path forward to see that we can actually improve krypton's performance relative to xenon by increasing the thruster current density," Su said.
Editor's note: After this story was first published, we heard from Jeremy Kenyon Lockyer Corbell who directed the documentary "Bob Lazar: Area 51 & Flying Saucers" and is very familiar with Lazar. Corbell emailed us some additional information about Lazar and element 115 that we've excerpted here: "When Lazar first came forward in 1989, he made a point to explain that there's no reason a version of element 115 couldn't be synthesized and observed at some point in the future. In fact — he predicted that it would be observed (as did many) — just likely not in a stabilized form (because of the statistical improbability of landing on a relevant isotope). ... The [isotope discovered in 2003] is not the isotope that would account for what Lazar has described having had access to while working at Area 51 (Site 4). Lazar reports that the 115 he had access to was far more stable.
"My understanding of Lazar's thinking is that with the advances in bombardment techniques new isotopic combinations would be achieved. However — just like how gold has 37 different isotopes and only one isotope is stable — 115 is suspected to have MOSTLY rapid decay isotopes... So hopefully in the future we will land on a version with a longer half-life — even if it just ends up being a few atoms of it. That would be cool — and one day will likely happen," Corbell said.
I don't know about the Navy review, but Martin Tajmar and his associates also had an early paper out in 2018 where they already thought measurement errors needed to be considered more carefully on tests of both the EM drive and the Mach-effect drive.
originally posted by: Jukiodone
When truth attacks!
The JPL data initially got refuted circa 2018 after a Navy review - of which I cant seem to find the name of the Navy scientist involved (he was named at the time) or which Naval Dept. he worked for (was also named).
If anyone can remember - would appreciate a link..cant shake the feeling it was one of Pais' former dept.s (insert ominous music).
As the OP already said, Lazar's story is not credible so why bring that up? Remember this from the OP?
originally posted by: quintessentone
"Editor's note: After this story was first published, we heard from Jeremy Kenyon Lockyer Corbell who directed the documentary "Bob Lazar: Area 51 & Flying Saucers" and is very familiar with Lazar...
Lazar reports that the 115 he had access to was far more stable."
originally posted by: spaceflyr
...Definitely worth looking into instead of chasing the fraud Bob Lazar and element 115 nonsense.
None of the isotopes of element 115 are predicted to be anywhere near stable, they all have short half-lives. See all of the half-life predictions here, the first entry for each isotope below the isotope number:
originally posted by: quintessentone
"However — just like how gold has 37 different isotopes and only one isotope is stable — 115 is suspected to have MOSTLY rapid decay isotopes..."
The microwaves cause an ultra strong diamagnetic field to occur that permeates throughout the craft as a whole. The entire craft becomes enveloped in a very strong rotating diamagnetic field.
I would be very interested in seeing the math of how what you describe spinning faster can break the hold its mass has with gravity.
originally posted by: spaceflyr
As it spins faster it will lost weight as it continues to break the hold it’s mass has with gravity.
...We can do all the math you want if you like but I think you might get bored with it and lose interest.
originally posted by: spaceflyr
www.hilarispublisher.com...
That's an interesting citation, but it's a lone researcher apparently operating in a vacuum. When I looked up that paper in Google Scholar, it showed only 3 citations, all by the same author who wrote the paper! So as far as I can tell nobody else ever cited the paper, the only citations he ever gets is from himself.
originally posted by: spaceflyr
www.hilarispublisher.com...
Writing out actual formulas here with a keyboard might prove challenging.
Thanks,
Cheers
a reply to: Arbitrageur
...where v = α c is the velocity of the electron in a free state or with minimum energy, and which coincides with the
speed of the electron in the hydrogen atom, according to the Bohr model.
originally posted by: Jukiodone
If anyone can remember - would appreciate a link..cant shake the feeling it was one of Pais' former dept.s (insert ominous music).
These are by no means the only vehicle-stoppers out there, or even the most science-fictional. Fiore Industries are among many working on a microwave ray gun "Car Stopper" which fries a vehicle’s electronics from a distance. It has the advantage of range and portability, but issues such as collateral damage and what happens to the speeding car afterwards.
originally posted by: Jukiodone
produced this paper then it all went a bit quiet and doesnt seem to be cited anywhere.....