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-   -   The Impossible Engine is Possible (http://forums.pelicanparts.com/off-topic-discussions/823472-impossible-engine-possible.html)

stomachmonkey 08-01-2014 10:23 AM

The Impossible Engine is Possible
 
NASA: New "impossible" engine works, could change space travel forever

Until yesterday, everyone in the international community was laughing at this engine and its inventor, Roger Sawyer. It's called the EmDrive and everyone said it was impossible because it goes against classical mechanics. But the fact is that the quantum vacuum plasma thruster works and scientists can't explain why.

Sawyer's engine is extremely light and simple. It provides a thrust by "bouncing microwaves around in a closed container." The microwaves are generated using electricity that can be provided by solar energy. No propellant is necessary, which means that this thrusters can work forever unless a hardware failure occurs. If real, this would be a major breakthrough in space propulsion technology.

Obviously, the entire thing sounded preposterous to everyone. In theory, this thing shouldn't work at all. So people laughed and laughed and ignored him. Everyone except a team of Chinese scientists. They built one in 2009 and it worked: They were able to produce 720 millinewton, which is reportedly enough to build a satellite thruster. And still, nobody else believed it.

Now, American scientist Guido Fetta and a team at NASA Eagleworks—the advanced propulsion skunkworks led by Dr Harold "Sonny" White at the Johnson Space Center—have published a new paper that demonstrates that a similar engine working on the same principles does indeed produce thrust. Their model, however, produces much less thrust—just 30 to 50 micronewtons. But it works, which is amazing on its own. They haven't explained why their engine works, but it does work:

gacook 08-01-2014 10:26 AM

Wow. Not my realm, so can't comment much beyond that.

911_Dude 08-01-2014 11:11 AM

My money says that article is BS. The plastic gear clockwork in the pic looks pretty suspicious to me.

GH85Carrera 08-01-2014 11:22 AM

Show me a link to an official NASA web site that says it is real and I will be less skeptical.

stomachmonkey 08-01-2014 11:26 AM

Quote:

Originally Posted by GH85Carrera (Post 8193723)
Show me a link to an official NASA web site that says it is real and I will be less skeptical.

NASA Technical Reports Server (NTRS) - Anomalous Thrust Production from an RF Test Device Measured on a Low-Thrust Torsion Pendulum

Amail 08-01-2014 11:30 AM

It's - it's - a gearerator!!!

aschen 08-01-2014 11:35 AM

interesting, I will try to read that artical later

50 milli Newtons aint very much at all but I guess thats not the point. The implication of propultion without mass or momentum flux seems crazy

jwasbury 08-01-2014 01:24 PM

So this would be the "impulse power" they talk about on Star Trek. Cool. Now all we need is warp drive and we can go to the planet where those green chicks live:D

Tervuren 08-01-2014 02:38 PM

Quote:

Originally Posted by jwasbury (Post 8193895)
So this would be the "impulse power" they talk about on Star Trek. Cool. Now all we need is warp drive and we can go to the planet where those green chicks live:D

Warp? Why not Twist?

Nostril Cheese 08-01-2014 03:49 PM

Where our military budget SHOULD be going..

Porsche-O-Phile 08-01-2014 04:56 PM

They need a breakthrough on the Alcubierre drive. There are scientists performing legit research on this and it's theoretically possible (if negative energy densities can be attained) but still very cool to think about...

cashflyer 08-01-2014 06:02 PM

Infinitely improbable.

wdfifteen 08-01-2014 06:16 PM

"quantum vacuum virtual plasma?"
Sounds too much like Dilithium Crystals to me.

Por_sha911 08-01-2014 07:44 PM

Skeptics also laughed at the Turbo Entabulator!
<iframe width="640" height="390" src="//www.youtube.com/embed/yjXTOlsE8k0" frameborder="0" allowfullscreen></iframe>

Nickshu 08-01-2014 09:52 PM

Wonder if it uses a dingle arm to reduce sinusoidal repleneration.

rusnak 08-01-2014 10:34 PM

I can produce thrust after "bouncing microwaves in a closed container" too. I find that Jimmy Dean pre-cooked breakfast sausage yields the best thrust reaction in about 30 minutes.

Jrboulder 08-02-2014 12:10 AM

Meh, Space. We've BTDT

Bugsinrugs 08-02-2014 03:56 AM

Quote:

I can produce thrust after "bouncing microwaves in a closed container" too. I find that Jimmy Dean pre-cooked breakfast sausage yields the best thrust reaction in about 30 minutes.
I have looked into this The sausage to distance ratio did not pencil out

rusnak 08-02-2014 06:32 AM

Don't forget, in outer space there is no drag coefficient. A 12oz. sausage can have you hurled into a sun or something.

mreid 08-02-2014 07:17 AM

There have been many, many things in our history thought "impossible" and later proven very possible. Let's hope this is one.

Bugsinrugs 08-02-2014 07:41 AM

Quote:

Don't forget, in outer space there is no drag coefficient. A 12oz. sausage can have you hurled into a sun or something.
Hmmm. Time to recalculate.

porwolf 08-02-2014 01:59 PM

Quote:

Originally Posted by mreid (Post 8194959)
There have been many, many things in our history thought "impossible" and later proven very possible. Let's hope this is one.

There also have been many things in our history thought to be possible that were later proven impossible.

Porsche-O-Phile 08-02-2014 04:02 PM

The impossibility drive will be orders of magnitude faster than the improbability drive.

cashflyer 08-07-2014 06:41 PM

There have been some things in our history that may have been impossibly improbable, only later to have been found to not only be possibly probable, but also possible. Probably.

Hawkeye's-911T 08-08-2014 09:59 AM

I still can't stop thinking about "cold fusion"

Cheers
JB


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