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Deep-Space NASA Rocket Engines Perform Most Powerful Ignition Test Yet
Space.com ^ | February 25, 2018 08:29am ET | Doris Elin Salazar, Contributor |

Posted on 02/25/2018 9:31:24 PM PST by BenLurkin

How can a rocket engine achieve more than a 100-percent thrust? Well, RS-25 engines were first designed more than 40 years ago, for use with NASA's space shuttle, and the power level they were capable of achieving at the time is the margin known as 100-percent thrust, according to NASA. RS-25 engines are former space shuttle engines that have been modified to perform more powerfully than ever before.

"Increased engine performance is crucial for enabling SLS missions to deep space as the rocket evolves to be larger and carry astronauts and heavy cargo on a single flight," NASA officials said in the statement.

When the space vehicle is assembled and ready for launch, four of these formidable engines will create a combined 2 million lbs. of thrust, according to the statement. And there's more: A pair of boosters on the SLS will work with the RS-25 engines to supply the rocket with a whopping 8 million lbs. of total thrust.

...

In addition to RS-25 ignition, the "brain" of the engine underwent testing. The new flight controller is one of the latest modifications to the engine design and will help provide precision control as it communicates with the rest of the SLS rocket. And in an ongoing effort to make SLS more affordable, operators also tested out a shock-absorbing component on Feb. 21, manufactured through 3D printing.

(Excerpt) Read more at space.com ...


TOPICS: Science
KEYWORDS: elonmusk; falcon9; falconheavy; nasa; rs25; space; spacex
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1 posted on 02/25/2018 9:31:24 PM PST by BenLurkin
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To: BenLurkin

I’m happy with my Dodge Challenger engine :)


2 posted on 02/25/2018 9:35:44 PM PST by dp0622 (The Left should know saying Syrian rebels in anost back in Trump is kicked out of office, it is WAR!)
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To: BenLurkin

So, how did they manage “deep space” for the moon landings? Evidently they didn’t.


3 posted on 02/25/2018 9:42:56 PM PST by taxesareforever (Islam is an ideology. It is NOT a religion.)
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To: BenLurkin

That article really puts the weight of an adult African elephant into perspective.


4 posted on 02/25/2018 9:43:19 PM PST by lefty-lie-spy (Stay metal. For the Horde \m/("_")\m/ - via iPhone from Tokyo.)
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To: BenLurkin

All framed by the Saturn 5 to show how it used to be done.


5 posted on 02/25/2018 9:56:59 PM PST by doorgunner69 (Give me the liberty to take care of my own security..........)
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To: BenLurkin

So, how did they manage “deep space” for the moon landings? Evidently they didn’t.


6 posted on 02/25/2018 10:02:35 PM PST by taxesareforever (Islam is an ideology. It is NOT a religion.)
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To: BenLurkin

SLS

Billion$ over budget.

Years overdue.

NASA as a bureaucracy at it’s “best”.

The launch platform cost over a billion $ and will be used - once.

NASA at its most wasteful.


7 posted on 02/25/2018 10:36:24 PM PST by ASOC (Having humility really means one is rarely humiliated)
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To: BenLurkin

Ridiculous.


8 posted on 02/25/2018 10:42:41 PM PST by Sontagged (Lord Jesus, please frogmarch Your enemies behind You as You've promised in Your Word)
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To: taxesareforever

Correct. There is no such thing as engine thrust in an absolute vacuum.


9 posted on 02/25/2018 10:43:58 PM PST by Sontagged (Lord Jesus, please frogmarch Your enemies behind You as You've promised in Your Word)
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To: Sontagged

Please elaborate? Mass is mass and it’s inertia must be overcome for it to be moved along, regardless of atmosphere, no?


10 posted on 02/25/2018 11:30:33 PM PST by SargeK
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To: BenLurkin

Screw Stennis. They stopped us from shooting in the buffer zone a few years back and it was an awesome place to shoot. People had been shooting there for 30 plus years!


11 posted on 02/26/2018 12:18:18 AM PST by BBell (calm down and eat your sandwiches)
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To: BenLurkin
"a whopping 8 million lbs. of total thrust"

How much is that in Rosie O'Donnells?
12 posted on 02/26/2018 12:20:53 AM PST by Telepathic Intruder
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To: SargeK
Not sure how that works in the absence of air or air molecules...in an absolute vacuum.
13 posted on 02/26/2018 12:29:34 AM PST by Sontagged (Lord Jesus, please frogmarch Your enemies behind You as You've promised in Your Word)
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To: taxesareforever

Yes, they did. Besides, the moon is not “deep space”. Pluto is deep space.


14 posted on 02/26/2018 4:10:16 AM PST by GingisK
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To: Sontagged

For every action there is an equal and opposite reaction kind of thing...the combustion takes place in a chamber, nozzle directs the thrust and the spacecraft goes the other way.

No air needed. It can take place in an absolute vacuum.


15 posted on 02/26/2018 4:44:09 AM PST by rlmorel (Leftists: American Liberty is the egg that requires breaking to make their Utopian omelette)
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To: Sontagged
Correct. There is no such thing as engine thrust in an absolute vacuum.

Do you think a rifle, fired in an "absolute vacuum" (which space isn't) would recoil? Why not?

If your answer is "yes," a rocket works by precisely the same physical phenomenon.

16 posted on 02/26/2018 4:46:49 AM PST by Campion (Halten Sie sich unbedingt an die Lehre!)
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To: Sontagged

“Correct. There is no such thing as engine thrust in an absolute vacuum”

I assume that is in jest.


17 posted on 02/26/2018 4:54:19 AM PST by cymbeline
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To: Sontagged
"There is no such thing as engine thrust in an absolute vacuum."

How would you explain our spacecraft and planetary probes reaching the moon (and back) and other planets in our solar system-- pure inertia?

18 posted on 02/26/2018 5:40:31 AM PST by fidelis (Zonie and USAF Cold Warrior)
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To: rlmorel

You’re correct. My son the aerospace engineer and I were discussing this yesterday


19 posted on 02/26/2018 5:43:54 AM PST by cyclotic (Trump tweets are the only news source you can trust.)
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To: BenLurkin

I watched that a day or so ago, or started to. Finished a 12 oz beverage. Still roaring along. Switched to a different vid. :^)


20 posted on 02/26/2018 6:32:18 AM PST by SunkenCiv (www.tapatalk.com/groups/godsgravesglyphs/, forum.darwincentral.org, www.gopbriefingroom.com)
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