Space Flight Updates - Russia pullingout of ISS?

deuce

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Strike 2 !!!!!!


On a related topic: Everytime Bill Nelson opens his mouth, I change channels! The man is an idiot!
 

ThreatMatrix

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Strike 2 !!!!!!


On a related topic: Everytime Bill Nelson opens his mouth, I change channels! The man is an idiot!
He's no Jim Brindenstine. Bill's the worst kind of politician. An ancient, career politican with lots of favors to repay.
 

deuce

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Looks like they are scrapping the entire Artemis program altogether.

:headslap:

That's good, you know the Astronauts couldn't survive going through the Radiation Belts around the world.

:bananadance2:
 
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ThreatMatrix

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If SLS wasn't so massively important to some congressman to get re-elected it would be canceled. NASA didn't really want it but congress forced them into the world's largest Frankenstein's monster.

Development to this point has been well over $20 Billion.
The launch towers alone are $1.5-2 Billion. To put that in perspective some of the world's largest skyscrapers were built for less.
And of course SLS itself. Although reusing Shuttle engines Boeing is charging over $150M ea. Over half a billion per booster in engines. Throw in the fuel tank and the SRBs and over $1B gets thrown in the ocean with each launch.
And Boeing only built one full Orion Capsule. They pull the avionics off of the old capsule to put it on the new capsule (to save money) LOL.
 

jeeping8r

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We had our fam reunion in Satellite Beach last weekend hoping for an Artemis launch, nope.
Thankfully Elon can be counted on to actually put bright flaming orbs into the sky. Looked nice from the beach
 

ThreatMatrix

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I think that we've discussed before that Russia has been wanting out of the ISS for a while. Officially they are to stay through 2028 but just recently claimed they'd pull out by 2025 to build their own Space Station (not likely).
How does this affect the ISS? The Russian modules do two important things: 1) Periodically boost the ISS. 2) Re-orientate the ISS to avoid debris. I don't think re-orientation is that big of a deal although I believe the Russian modules contain the computers that do those calculations.
The issue is boosting. On our side, we have the Cygnus cargo module. The problem with Cygnus is that it launches on Antares (an American company but Ukrainian and Russian parts). Or on the Atlas V that has been discontinued because it used Russian engines*. The replacement rocket is the Vulcan Centaur which relies on BO BE-4 engines that have yet to fly. God only knows when that will happen.
  • Another option is Starliner which is supposed to have that capability however that thing has been delayed until next year (after failed test in 2019) and some wonder if Boeing might abandon it because at this point they are not going to make any money from it.
  • The 3rd option is Dream Chaser. However, it has yet to fly. It also needs the Vulcan so it is also a few years off. Dream Chaser, I will remind you, was originally chosen over Starliner as the companion crew vehicle to SpaceX Dragon. However at the last minute, one of Bezos's lobbyists got to congress and the contract award was switched to Boeing
  • Spacex has claimed they could do it with a Dragon. but there are a whole lotta gotchas with that.

The ISS itself would stay in orbit for something like 4 years before re-entering the atmosphere.


* The Russian engines are very reliable. And we have enough experience with them that we can run them without Russian help. However, after Russia invaded Crimea in 2014 congress wisely decided to stop using Russian engines, thus the Vulcan program was born. Unwisely Tony Bruno decided to use Jeff Bezos's engines. ULA has a stockpile of engines for Atlas V however all the remaining flights have been bought up, get this, by Bezos to launch his own Starlink constellation.
 
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ThreatMatrix

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I'm bored. Let's see. Capstone.
A main goal of the Artemis program is to use the Gateway orbiting in a NRHO about the moon. However, it's not something we've done before and is tricky. Capstone, launched June 28th on a Rocket Lab Electron Rocket to try and maintain a NRHO. However, after a course correction on the way to the moon the spacecraft began to tumble. NASA is working to try to stop the spin. If Capstone fails what happens next? :dunno: It was very cheap and the nice thing about the moon is that its launch window is just about always open.
 

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