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NASA SLS/Orion/Payloads

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10 minutes ago, sevenperforce said:

Is Blue Moon supposed to be based on BE-3?

Most Likely.

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(Whoops, wrong thread, don’t mind me)

Edited by sh1pman

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8 hours ago, sevenperforce said:

Peroxide isn't exactly storable.

It's quasi-storeable with at least 270 days practically achieved. This was enough for Glushko to spend decades developing high-energy lander engines of the R-5xx family.

Edited by DDE
Accidental double post

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On 2/24/2018 at 6:34 PM, Canopus said:

Most Likely.

Yep, a vacuum version.

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DSG got renamed to LOP-G. 

Quote

Name change aside, there are also some significant LOP-G updates in this budget. First of all, LOP-G has its own line item, with $504 million proposed for 2019 and $2.7 billion total penciled in over the next five years. That means LOP-G is officially happening, and it would take Congressional intervention to stop the program at this point.

 

Quote

There’s also some information about LOP-G components, launch dates, and operation plans. Recall that sizewise, LOP-G is a far cry from the ISS. The working design calls for a power and propulsion element (PPE), a habitation element, a logistics element, and an airlock. Some proposed add-ons also include a robotic arm and fancy glass cupola. (Side note: since the LOP-G will probably be positioned in a near-rectilinear halo orbit, a glass cupola would offer incredible, sweeping views of the Moon and Earth together. NASA, I urge you to make that happen!) The PPE isn’t habitable, so astronauts will be confined to just two modules, a visiting Orion spacecraft, and an airlock. The longest crews would stay at the LOP-G in this configuration is a month; NASA might increase that duration if more pieces are added later.

https://web.archive.org/web/20180226175759/http://www.planetary.org/blogs/jason-davis/2018/20180226-lop-g-snark-details.html

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8 minutes ago, sh1pman said:

DSG got renamed to LOP-G. 

Brace for the puns.

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Aww, I sort of liked DSG. Although, I think it would be better to have a station name that's not an acronym...

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7 minutes ago, Ultimate Steve said:

Aww, I sort of liked DSG. Although, I think it would be better to have a station name that's not an acronym...

It's final name will be different anyway.

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NASA have really been letting the side down with rocket names since space shuttle/STS.

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4 minutes ago, DAL59 said:

It will take a lot shorter.  China wants to do the same, and NASA will not let China get ahead of them.  

sure.

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On 2/24/2018 at 12:52 AM, T-10a said:

Maybe we can finally see something akin to Nautilus-X zipping around with NG, Falcon Heavy and Vulcan doing grunt work. (maybe Roscosmos can come too if they get their stuff together)

This:

 

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3 minutes ago, DAL59 said:

This:

 

Note that video was made 10 years before the shuttle was cancelled. Right now we don't even have a vessel capable of building a facility capable of building that kind of craft, it will be at least 15 years before we do.
More fantasy absent of any supporting facts.

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Just now, PB666 said:

Note that video was made 10 years before the shuttle was cancelled. Right now we don't even have a vessel capable of building a facility capable of building that kind of craft, it will be at least 15 years before we do.
More fantasy absent of any supporting facts.

The context was that is something you could build with a superheavy launcher like the BFR.

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This is NOT a BFR thread, and BFR does not have a stated build capability.

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What the actual heck?  What does an elevator acomplish?

On one hand, you get artifical gravity for 5 seconds, on the other hand, you are slammed against the wall every 5 seconds.

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It's not hard to add construction capability to a superheavy spacecraft. It takes what, a couple of robot arms and an airlock? 

Even Orion could do it if they'd given SLS an integral payload bay to carry a dockable construction module. Send one up on Falcon 9 and rendezvous. Job done.

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1 hour ago, DAL59 said:

This:

 

As well as what @PB666 said above, digging into Discovery II shows it is a FUSION powered craft. Way beyond anyone's capability at the moment.

1 hour ago, DAL59 said:

What the actual heck?  What does an elevator acomplish?

On one hand, you get artifical gravity for 5 seconds, on the other hand, you are slammed against the wall every 5 seconds.

This compact Artificial Gravity lift I see being used as a more "compact" artificial gravity setup for testing various components.

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1 hour ago, RCgothic said:

It's not hard to add construction capability to a superheavy spacecraft. It takes what, a couple of robot arms and an airlock? 

Even Orion could do it if they'd given SLS an integral payload bay to carry a dockable construction module. Send one up on Falcon 9 and rendezvous. Job done.

Only if you believe Vaporware actually does something other than whip up hype. This doesn't even constitute as hype, NASA has no plan. NASA basically is saying 'we have a whole lot of problems we need to solve before leaving the EM system'. Roughly translated, once they know how to solve the problems, then they we layout their plans to build stuff and then build the infrastructure in space (if they decide to go with fictional fusion) to build such a craft. Right now solar power and light fission reactors are the only viable power source. Even NERVA is off the table because of the need to store liquid hydrogen.

 

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On 25.02.2018 at 2:22 AM, sevenperforce said:

Peroxide isn't exactly storable.

High-concentration one is. About 1% per year or so. So, you have a few years until it becomes not-so-high-concentration and begins decaying faster and faster.

11 hours ago, sh1pman said:

DSG got renamed to LOP-G. 

Why not name it GLOP.

8 hours ago, DAL59 said:

This:

(Discovery II)

Solar panels near Jupiter + nuke enough powerful to accelerate a ship look a little strange.

Also they have problems with solar panels at 01:30
Still can't understand what are they doing here? The panels are fixed, so unlikely they can fix mechanics. They are large, so unlikely they can replace or add something. Why are these two slackers hanging there?

This huge centrifuge would cause the ship rotation in the opposite direction.
And as it is far from the CoM, it additionaly would cause a precession.
Of course, they can stop the rotation on engines burn (though they didn't), but anyway the long thin ship will be constantly bending due to precession.

8 hours ago, DAL59 said:

What the actual heck?  What does an elevator acomplish?

On one hand, you get artifical gravity for 5 seconds, on the other hand, you are slammed against the wall every 5 seconds.

5 minutes of such artificial gravity - and you understand that zero-G makes you happy.
A twin vomit comet.
Let'em name it Brainshaker.

Edited by kerbiloid

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2 hours ago, kerbiloid said:

High-concentration one is. About 1% per year or so. So, you have a few years until it becomes not-so-high-concentration and begins decaying faster and faster.

Why not name it GLOP.

(Discovery II)

Solar panels near Jupiter + nuke enough powerful to accelerate a ship look a little strange.

Also they have problems with solar panels at 01:30
Still can't understand what are they doing here? The panels are fixed, so unlikely they can fix mechanics. They are large, so unlikely they can replace or add something. Why are these two slackers hanging there?

Pretty sure those are meant to be Radiators not solar panels.

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1 hour ago, Canopus said:

Pretty sure those are meant to be Radiators not solar panels.

A little strange place for radiators. They would be closer to the reactor than the (probably) cryogenic tanks are.

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