SpaceX Tuesday...
Discussion
Don't forget that SpaceX aren't the only ones looking at landing large spacecraft on Mars...
Lockheed Martin
https://www.cnbc.com/2017/09/28/lockheed-martin-un...
And NASA's own 'biconic' lander
Lockheed Martin
https://www.cnbc.com/2017/09/28/lockheed-martin-un...
And NASA's own 'biconic' lander
On the subject of NASA dithering, there won't be any commercial crew flight tests this year now.
SpaceX's unmanned demo flight will now be in January 2019 and the first manned test flight in June.
Boeing's unmanned demo flight will be March and the first manned flight in August.
Definitely.. maybe.
https://blogs.nasa.gov/commercialcrew/2018/10/04/n...
SpaceX's unmanned demo flight will now be in January 2019 and the first manned test flight in June.
Boeing's unmanned demo flight will be March and the first manned flight in August.
Definitely.. maybe.
https://blogs.nasa.gov/commercialcrew/2018/10/04/n...
Kccv23highliftcam said:
Design and up-scaling of Atmospheric re entry [Lenticular] Vehicles with Parachute Descent to surface.
Like the post it was answering..
..are you the forum moderator now?
In fact you probably don't realise that "others" have commented upon your, curmudgeonly, attitude lately.
Looking through your postings however it's becomes obvious you scorn new ideas, you are affronted when anyone else has the temerity to cross these boundaries that YOU have set.
See you've gone and made me sound like Toaster now. Hope your happy.
Happy days, good post and well observed Like the post it was answering..
..are you the forum moderator now?
In fact you probably don't realise that "others" have commented upon your, curmudgeonly, attitude lately.
Looking through your postings however it's becomes obvious you scorn new ideas, you are affronted when anyone else has the temerity to cross these boundaries that YOU have set.
See you've gone and made me sound like Toaster now. Hope your happy.
Edited by Kccv23highliftcam on Thursday 4th October 13:59
MartG said:
Don't forget that SpaceX aren't the only ones looking at landing large spacecraft on Mars...
Lockheed Martin
That looks so 'Thunderbirds' that I had to do a double take, but it seems they are looking 'seriously' at thisLockheed Martin
I guess (coz I ain't that clever), that there should be an advantage in that the Martian gravity is roughly 1/3 of Earth's - that's a lot of 'free' mass you can carry when you can get it into orbit from Earth.
In a world filled to the brim with 'Jeremy Kyles' it is astonishing that this research into space flight and exploration continues at such a pace.
It might not be at the pace we'd all love to see but at least it is happening.
Fascinating times - I wonder what my twelve year old son will witness when he gets to my age.
Mars is just "wrong" for so many aspects of landing spacecraft softly onto the surface.
It's gravity is 1/3 of the earth - which is obviously some advantage regarding slowing a mass down to a safe soft landing speed - but it's not as good as it could be.
It does have an atmosphere which is also useful for slowing things down - but its atmosphere is very thin so the slowing down is nothing like as effective as earth's atmosphere (or even somewhere like Titan). However, it's substantial enough that the spacecraft needs to be heat protected
Using parachutes on Mars is also a problem because when the parachute deploys, the craft is still travelling at supersonic speeds. Earth parachute systems are never deployed at such speeds. NASA has been conducting supersonic parachute deployment tests over the past few years in an effort to work out materials and manufacturing techniques which will allow a parachute to deploy at over 800 mph without shredding itself. They have only been partially successful in these efforts.
In many ways, landing a craft on a world with no atmosphere (like the moon) is much easier.
It's gravity is 1/3 of the earth - which is obviously some advantage regarding slowing a mass down to a safe soft landing speed - but it's not as good as it could be.
It does have an atmosphere which is also useful for slowing things down - but its atmosphere is very thin so the slowing down is nothing like as effective as earth's atmosphere (or even somewhere like Titan). However, it's substantial enough that the spacecraft needs to be heat protected
Using parachutes on Mars is also a problem because when the parachute deploys, the craft is still travelling at supersonic speeds. Earth parachute systems are never deployed at such speeds. NASA has been conducting supersonic parachute deployment tests over the past few years in an effort to work out materials and manufacturing techniques which will allow a parachute to deploy at over 800 mph without shredding itself. They have only been partially successful in these efforts.
In many ways, landing a craft on a world with no atmosphere (like the moon) is much easier.
The landing pad at Vandenberg awaits for the first time tonight....
It's only about 1,400 feet from the launch pad.
The Falcon 9 booster is being launched southwards, so it'll be coming back from the left in this photo.
They were supposed to be attempting a fairing recovery, but the sea is a bit riled up apparently, so that's not looking good. Recovery boat Mr Steven is still in harbour currently.
Launch is at 03:22 UK time on Monday 8th (Sunday at 19:22 Pacific Daylight Time).This is an instantaneous launch. so if it has to abort for any reason, the next attempt will be on Friday at the same time.
It's only about 1,400 feet from the launch pad.
The Falcon 9 booster is being launched southwards, so it'll be coming back from the left in this photo.
They were supposed to be attempting a fairing recovery, but the sea is a bit riled up apparently, so that's not looking good. Recovery boat Mr Steven is still in harbour currently.
Launch is at 03:22 UK time on Monday 8th (Sunday at 19:22 Pacific Daylight Time).This is an instantaneous launch. so if it has to abort for any reason, the next attempt will be on Friday at the same time.
This one from Trevor Mahlmann is pretty amazing as well:
Shows the launch, separation, maneuver, boost back, reentry and landing burns all in one long shutter exposure.
More here:
https://photos.tmahlmann.com/Rockets/SpaceX/SAOCOM...
Shows the launch, separation, maneuver, boost back, reentry and landing burns all in one long shutter exposure.
More here:
https://photos.tmahlmann.com/Rockets/SpaceX/SAOCOM...
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