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Rockets make rackets
#1

Rockets make rackets
Put the headphones on and skip to 7:20.

Edit to add link.

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#2

Rockets make rackets
linky no linky
test signature
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#3

Rockets make rackets
(12-06-2022, 04:56 PM)skyking Wrote: linky no linky

Awe fek!

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#4

Rockets make rackets
To quote Dubya, not gonna do it.
Mountain-high though the difficulties appear, terrible and gloomy though all things seem, they are but Mâyâ.
Fear not — it is banished. Crush it, and it vanishes. Stamp upon it, and it dies.


Vivekananda
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#5

Rockets make rackets
I don't know what the safe distance is but I would dearly love to be within that radius to feel the boom when the solid boosters ignite. Eardrums, who needs um?
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#6

Rockets make rackets
(12-07-2022, 03:38 AM)Inkubus Wrote: I don't know what the safe distance is but I would dearly love to be within that radius to feel the boom when the solid boosters ignite. Eardrums, who needs um?

In the 80's, I used to attend movies at my Imax theater a lot ("Omnimax", fwiw). I saw a movie on the space program, and because the theater was curved around us spherically, I suppose, the immediate aftermath of a launch was like we were all enveloped in the exhaust. Kind of scary seeing clouds of it coming at you and you have to just sit there. It was really neat, though. ETA: the sound was just as intense.

Can't remember the movie, though.
Is this sig thing on?
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#7

Rockets make rackets
(12-07-2022, 03:38 AM)Inkubus Wrote: I don't know what the safe distance is but I would dearly love to be within that radius to feel the boom when the solid boosters ignite. Eardrums, who needs um?

I was in the Rag Bag when Big Mo set off a full broadside.

Like that.
[Image: M-Spr20-Weapons-FEATURED-1-1200x350-c-default.jpg]
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#8

Rockets make rackets
(12-07-2022, 11:00 AM)Gawdzilla Sama Wrote:
(12-07-2022, 03:38 AM)Inkubus Wrote: I don't know what the safe distance is but I would dearly love to be within that radius to feel the boom when the solid boosters ignite. Eardrums, who needs um?

I was in the Rag Bag when Big Mo set off a full broadside.

Like that.

Too many meanings of "rag bag" on the net.. Please elaborate. I am guessing cleaning out the artillery, but not sure of the term.
Never try to catch a dropped knife!
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#9

Rockets make rackets
Aw, shucks! I thought this thread was going to be about this kind of rockets:

[Image: Maverick-rocket-275x300.jpg]
“I expect to pass this way but once; any good therefore that I can do, or any kindness that I can show to any fellow creature, let me do it now. Let me not defer or neglect it, for I shall not pass this way again.” (Etienne De Grellet)
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#10

Rockets make rackets
(12-07-2022, 03:38 AM)Inkubus Wrote: I don't know what the safe distance is but I would dearly love to be within that radius to feel the boom when the solid boosters ignite. Eardrums, who needs um?

Miles, at least 3. If the rocket experiences trouble and detonates, you'd better be in a hardened building, at that distance. I've supported launch processing for 3 spacecraft at Cape Canaveral. We were about 5 miles from the launch complex for two of those, and much closer on the last one. For the last one, we were in a hardened shelter. The first two, we stepped out of the hangar to watch them go up. If a rocket goes off course and has to be destroyed, there's a bunch of explosives for the job. Don't want to be in that debris field!
If you get to thinking you’re a person of some influence, try ordering somebody else’s dog around.
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#11

Rockets make rackets
(12-07-2022, 11:55 AM)Cavebear Wrote:
(12-07-2022, 11:00 AM)Gawdzilla Sama Wrote: I was in the Rag Bag when Big Mo set off a full broadside.

Like that.

Too many meanings of "rag bag" on the net.. Please elaborate.  I am guessing cleaning out the artillery, but not sure of the term.

Flags => rags

The signalmen worked on the flag bridge, morphed into sailorspeak as "the flag bag". High up on the ship, good view.

[Image: US_Navy_041117-N-5384B-039_Quartermaster..._72%29.jpg]

[Image: signalbridge_3.jpg]
[Image: M-Spr20-Weapons-FEATURED-1-1200x350-c-default.jpg]
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#12

Rockets make rackets
Russian lander resorts to litho-breaking.

Russia's unmanned Luna-25 spacecraft has crashed into the Moon

This will be a hard one to pin on Ukraine but they'll try.
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#13

Rockets make rackets
(08-20-2023, 10:57 PM)Inkubus Wrote: Russian lander resorts to litho-breaking.

Russia's unmanned Luna-25 spacecraft has crashed into the Moon

This will be a hard one to pin on Ukraine but they'll try.

I almost feel sorry for the Russians. Learning about space travel is a gain for all of us. But they are so difficult lately, I have to say "almost". Whistling
Never try to catch a dropped knife!
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#14

Rockets make rackets
(08-21-2023, 07:52 AM)Cavebear Wrote:
(08-20-2023, 10:57 PM)Inkubus Wrote: Russian lander resorts to litho-breaking.

Russia's unmanned Luna-25 spacecraft has crashed into the Moon

This will be a hard one to pin on Ukraine but they'll try.

I almost feel sorry for the Russians.  Learning about space travel is a gain for all of us.  But they are so difficult lately, I have to say "almost".   Whistling

Russia is fucked, with or without a massive war they are still fucked. This is a country that never learned how to make washing machines or cars, they couldn't even copy western products. They also have a huge demographics problem the reproduction rate is down to ~1.5. This is unsustainable, in two or three generations Russia will be a wilderness, that's if NATO don't do it before then.

And fuck them! Russia has always been a basket case
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#15

Rockets make rackets
(08-21-2023, 09:07 AM)Inkubus Wrote:
(08-21-2023, 07:52 AM)Cavebear Wrote: I almost feel sorry for the Russians.  Learning about space travel is a gain for all of us.  But they are so difficult lately, I have to say "almost".   Whistling

Russia is fucked, with or without a massive war they are still fucked. This is a country that never learned how to make washing machines or cars, they couldn't even copy western products. They also have a huge demographics problem the reproduction rate is down to ~1.5. This is unsustainable, in two or three generations Russia will be a wilderness, that's if NATO don't do it before then.

And fuck them! Russia has always been a basket case

Russia is probably the most dangerous "basket case" the modern world has ever known. Followed by China with falling population and economic failure and then by N Korea with insane leaders and nuclear weapons. A vote for Iran, but they are failing also and not quite so dangerous.
Never try to catch a dropped knife!
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#16

Rockets make rackets
Russia from day one has been crabs on the balls of civilization. Fuck them!
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#17

Rockets make rackets
(08-21-2023, 10:31 AM)Inkubus Wrote: Russia from day one has been crabs on the balls of civilization. Fuck them!

I read once that Afghanistan is where empires go to fight and die. And it is true. The people there are desperate and nearly insane. But Russia is really where the trouble is. Just read their novels. Angry The place is hopeless (literally and figuratively). Gloom surrounds them like a London fog.

In the 90's, I took a Senior/Graduate University seminar class on 'The Breakup Of The Soviet Union'. What I learned about the mutually-hating "nationalities was both enlightening and depressing. So I understand the whole area is a hot mess.

Oddly, a lot of individuals in Russia like the US a lot. Many are energetic and skilled. and would right into any Western Democracy. And I suppose that many would leave if they could. I will probably never understand the nation, though. Wallbash
Never try to catch a dropped knife!
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#18

Rockets make rackets
Not trying to change the current subject or anything like that but...

Save a life. Adopt a Greyhound.
[Image: JUkLw58.gif]
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#19

Rockets make rackets
(08-27-2023, 03:28 AM)PopeyesPappy Wrote: Not trying to change the current subject or anything like that but...


And the all time undisputed champion of the world:



Skip the first 20 secs.

Use headphones. I dare you.
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#20

Rockets make rackets
(12-07-2022, 03:38 AM)Inkubus Wrote: I don't know what the safe distance is but I would dearly love to be within that radius to feel the boom when the solid boosters ignite. Eardrums, who needs um?

Off-topic slightly, but I need my eardrums. More on a new thread.
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#21

Rockets make rackets
Not any more, not this one anyway. 

NASA finally admits what everyone already knows: SLS is unaffordable

Quote:Officials from the space agency said they had a four-step plan to reduce costs of the SLS rocket program over time:
  • Stabilize the flight schedule
  • Achieve learning curve efficiencies
  • Encourage innovation
  • Adjust acquisition strategies to reduce cost risk

Setting aside that some of these goals sound suspiciously like corporate speak, the report makes clear that these are aspirational aims for now. "NASA, however, has not yet identified specific program-level cost-saving goals which it hopes to achieve," the authors write. "NASA has made some progress toward implementing these strategies, but it is too early to fully evaluate their effect on cost".

This is typical NASA bafflegab, what is means is: 'we have no idea how much money has been thrown at this thing'. But we do know how this situation came about:

Pork barrel politics

Quote:Bridenstine, testifying before the Senate Commerce Committee, said the agency was looking at using a pair of commercial launch vehicles, likely provided by SpaceX and/or United Launch Alliance, to launch the Orion spacecraft...

And the predictable response?

Quote:While I agree that the delay in the SLS launch schedule is unacceptable, I firmly believe that SLS should launch the Orion,” Sen. Richard Shelby R-Alabama...

...Shelby is chairman of the Senate Appropriations Committee and his state is home to the Marshall Space Flight Center, which is NASA’s lead center for SLS development.

So what's the problem? The cost of the engines for one thing.

Are you sitting down?

Quote:...it is not at all clear that they will be able to control costs. For example, NASA recently said that it is working with the primary contractor of the SLS rocket's main engines, Aerojet, to reduce the cost of each engine by 30 percent, down to $70.5 million by the end of this decade.

You read that correctly; today these engines cost 100 million dollars to build, and that's just parts and labour so to speak, that figure does not include administration and other overheads. Blue Origin can build the similar spec BE-4, for less than $20 million. And SpaceX say their Raptor engine will eventually cost about $1 million per engine.

The objections to the SLS are not new:

Quote:Ultimately, jobs—and not actual progress in space—seem to be the driving force of the program. Even if it never actually flies, SLS may still meet its primary mission requirement: delivering federal funding to the states and districts of those in Congress with a particular interest in NASA's budget. Whether that's the best thing for U.S. space policy is another story.

That's twelve years ago
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#22

Rockets make rackets
Quote:Ultimately, jobs—and not actual progress in space—seem to be the driving force of the program.



Every bit as true of the Pentagon budget...as we learn every year when 50 year old flying dinosaurs like the A-10 keep being financed.
Robert G. Ingersoll : “No man with a sense of humor ever founded a religion.”
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#23

Rockets make rackets
(09-19-2023, 03:30 PM)Minimalist Wrote:
Quote:Ultimately, jobs—and not actual progress in space—seem to be the driving force of the program.



Every bit as true of the Pentagon budget...as we learn every year when 50 year old flying dinosaurs like the A-10 keep being financed.

The primary difference being that the A-10 actually works.


There really is no good reason to retire it.
“Religion is excellent stuff for keeping common people quiet. 
Religion is what keeps the poor from murdering the rich.”
― Napoleon Bonaparte
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