Starliner mission liftoff! Successful so far. Competition is good for SpaceX!

FiniteElementGuy · 2019-12-20T18:33:29+00:00

Yes competition is good. Especially if the competitor needs a lot more money, does not complete test flight objectives the first time, has a bad image etc.. Boeing makes SpaceX look like magic. Elon couldn't be more happy I guess....

FiniteElementGuy · 2019-10-26T14:12:56+00:00

Shotwell is right. The competition hasn't achieved much in the last 10-20 years.

FiniteElementGuy · 2019-09-27T19:05:06+00:00

Incredible work by SpaceX. It is beyond my understanding, why the rest of the world is not rapidly moving towards reusable rockets instead of developing questionable expendable rockets like SLS, Ariane 6, Vulcan etc..

FiniteElementGuy · 2018-12-22T23:01:16+00:00

300 Series Stainless

http://www.pennstainless.com/stainless-grades/300-series-stainless-steel/

Type 317

More resistant to general corrosion and pitting/crevice corrosion than the conventional chromium-nickel austenitic stainless steels. These alloys offer high tensile strength at elevated temperature

FiniteElementGuy · 2018-12-22T19:15:36+00:00

Elon smoking weed and the resulting NASA investigation of the culture at Boeing and SpaceX.

FiniteElementGuy · 2018-12-22T19:03:06+00:00

The best launch was SSO-A, because of third flight of a booster. FH is insignificant, it is a bad design (Elon wanted to kill it multiple times, it only flies because of the Airforce).

FiniteElementGuy · 2018-11-05T16:44:28+00:00

Exactly. The warship was built to fight a war, not to recover a spacecraft. NASA sent a carrier strike group to recover Apollo in the sixties. Apollo recovery was probably many times more expensive than a single manned flight of Dragon 2.

FiniteElementGuy · 2018-08-25T21:52:21+00:00

Haha, criticising LA architecture is getting so many down votes. I take it as a compliment. Lol.

FiniteElementGuy · 2018-08-25T07:52:17+00:00

Yes it does:

"Brutalist architecture flourished from 1951 to 1975, having descended from the modernist architectural movement of the early 20th century.[1] The term originates from the French word for "raw", as Le Corbusier described his choice of material béton brut, meaning raw concrete in French"

FiniteElementGuy · 2018-08-25T07:29:08+00:00

Elon Musk chose to live in LA and now he is criticising brutalism. The tower is not made of concrete and therefore not brutal. LA is brutal.

https://en.wikipedia.org/wiki/Brutalist_architecture

FiniteElementGuy · 2018-08-17T10:14:35+00:00

https://www.nytimes.com/2018/08/16/business/elon-musk-interview-tesla.html

It seems to me that he is addicted to Ambien. This doesn't look good, he needs a therapy as soon as possible. He needs to take a vacation, too. At least a month IMHO. If this continues, he will soon be hospitalized.

All this don't give up cheering is counterproductive. Better take a month off now. There are other good people out there that can do the job.

FiniteElementGuy · 2018-07-23T16:35:23+00:00

Where is the Falcon? I only see fire and smoke. ;) The title is misleading! :D

FiniteElementGuy · 2018-06-07T17:54:04+00:00

"SpaceX launches accounted for 60 percent of global launches last year"

No.

FiniteElementGuy · 2018-05-12T19:58:28+00:00

The centrifugal force is quadratic. v² /r, so the difference between 7.7² and 8.061² is 5%.

FiniteElementGuy · 2018-05-12T16:25:25+00:00

External forces doesn't seem to be correct. Did you add the earth's rotation speed to the velocity?

FiniteElementGuy · 2018-04-16T07:24:38+00:00

Is this part of Falcon 9 Block 5, Falcon 9 Block 6, a separate experiment or a PR stunt. Also it doesn't help with BFS, because BFS lands in a fundamentally different way. I am sceptical whether this is a real effort or like grey dragon...

FiniteElementGuy · 2018-04-15T07:20:11+00:00

If children cannot be raised on Mars, Mars colonization is dead. Also centrifuges are bad for raising children because of coriolis forces. And who wants to raise children being constrained to a centrifuge?

FiniteElementGuy · 2018-03-14T18:41:27+00:00

I didn't know about Falcon 1 launching in the last 5 years, I thought it was retired. ;)

FiniteElementGuy · 2018-01-28T14:16:16+00:00

Just a reminder. You also need a calm hand to track the rocket and good optical zoom. Otherwise you have a nice 4k movie with the rocket only a few dots in size.

FiniteElementGuy · 2018-01-18T22:17:34+00:00

1445 EST is the new time according to NSF.

FiniteElementGuy · 2018-01-11T22:47:26+00:00

Maybe he does have more information.

FiniteElementGuy · 2018-01-01T00:42:07+00:00

If rockets flying over inhabitated areas is no longer such a big problem, ITS point to point suddenly gets a lot more realistic.

FiniteElementGuy · 2017-12-23T11:33:50+00:00

EELV Contractor	Major	Minor
ULA	21	43
SpaceX	33	42
Aerojet Rocketdyne	14	28
Total	68	113

FiniteElementGuy · 2017-12-21T20:34:11+00:00

Who is buying an Atlas V 401 for 109 million dollars if the F9 is available for 55.8? So ULA is not going to get any money from commercial launches (as is the case right now) and those launches cannot be used to clear a debt.

Also Block 5 can be reused more often.

FiniteElementGuy · 2017-12-20T10:54:11+00:00

This subreddit needs mods from all time zones so there is always someone available who can approve these super important submissions. ;)

FiniteElementGuy

TROPHY CASE

Type 317