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Is an EmDrive possible?
After failing critical thrust tests, the “impossible” engine has proven to be just that. The “impossible” EmDrive has failed international testing in three new papers. The idea was always far out, but that’s part of how science moves forward.
Do engines work in space?
On Earth, air tends to inhibit the exhaust gases getting out of the engine. This reduces the thrust. However, in space since there is no atmosphere, the exhaust gases can exit much easier and faster, thus increasing the thrust. Therefore, the rocket engine actually works better in space than here on Earth.
What is a Reactionless engine?
By definition, a reactionless drive or inertia propulsion engine is any form of propulsion not based around the expulsion of fuel or reaction mass. The name “reaction mass” comes from Newton’s Third Law of Motion, usually expressed as, “For every action, there is an equal and opposite reaction.”
Does the EmDrive actually work?
But the EM Drive works without any fuel or propellants at all. It works by simply bouncing microwave photons back and forth inside a cone-shaped closed metal cavity. That motion causes the ‘pointy end’ of the EM Drive to generate thrust, and propel the drive in the opposite direction.
How does the EmDrive work?
The EmDrive is what is called an RF resonant cavity thruster , and is one of several hypothetical machines that use this model. These designs work by having a magnetron push microwaves into a closed truncated cone, then push against the short end of the cone, and propel the craft forward.
Is the impossible “EmDrive” possible?
Well, that’s supposed to be impossible in a vacuum. But with the EmDrive (short for Electromagnetic Drive), which is able to generate thrust without needing a propellant, it just might be possible-of course, it’ll need more than just that. This is assuming that the EmDrive actually works-and not just in theory.
What is the EM Drive?
Invented by British scientist Roger Shawyer back in 1999, the EM Drive – short for electromagnetic propulsion drive – purportedly works like this. It uses electromagnetic waves as ‘fuel’, creating thrust by bouncing microwave photons back and forth inside a cone-shaped closed metal cavity.