NASA has announced it's poised to do an airborne test of its Low-Density Supersonic Decelerator (LDSD) - a test platform for technologies that may one day safely deposit larger payloads on the surface of Mars. The LDSD at NASA's Jet Propulsion Laboratory. Pic: NASA/JPL The LDSD flying saucer at NASA's Jet Propulsion …
Bound to fail
Not a single mention of a brave Playmonaut!
Re: Bound to fail
Exactly. NASA is missing a vital mission component here.
and anyway . . .
. . . I keep reading it as LSD
Watch out El Reg...the headhunters could soon be circling the SPB
SPB's hoping for a buyout.
Well that isn't going to happen. If they want to be bought out they should develop a simple messenger app backed on to, I don't know, a website where you can make playmobil reconstructions, and market it as the next big thing to 15 year-olds wanting to send pictures of their naughty bits to one another.
They'll never get there experimenting with novel technologies. It just gets in the way, you know?
"SPB's hoping for a buyout."
They already tried an accidental flotation but it sunk with all hands.
A website where you can make playmobil reconstructions
sounds pretty damn good. O, the joys of being fifteen again.
So, these inflatey bubble things; once they've splashed down, and assuming it was used for a manned flight, does that mean the 'nauts then get to walk the bubble back to base? I just can't get the picture out of my head...
Surely it's a Rockoon?
Working on the definition that a Ballocket is first balloon-like on the way up followed by rocket-assisted ascent, rather than rocket-assisted ascent followed by balloon-assisted descent?
I'll get my coat.
Not so, sir, and by your own reckoning: balloon, followed by rocket = ballocket. Sounds better, anyway.
Balloon ascent, rocket ascent, balloon descent
Isn't that a Ballocketoon?
Re: Re: Ballocket???
You've got confused here - the NASA thing is a ballockechute.
Given the flight sequence perhaps that should be a Ballockoonshute .....splash
I will meet you half-way, Ballocketute - sounds better
Inflatable balloon that goes like a rocket, but with high endurance, and delivers a large payload at the end of it all. Hmmm.
I watched the video
I'd like to have my time over again and be a NASA engineer. It looks like FUN!! (Then again, I'd probably be on the team that analyses the results and prepares spreadsheets and graphs for middle management meetings; then have to double check and justify the budget projection figures. Reality has always bitten me.)
Mach in Earth's or Mars' atmospheres?
Would that be the speed of sound in our or Mars' atmosphere? Mach speeds vary by height (pressure and temperature) so how fast in metres per sec are we talking? What is Mach 1 at sea level on Mars? OK ground level will do :)
Re: Mach in Earth's or Mars' atmospheres?
"Sea Level" on Mars is known as "0 datum" or "topographic datum".
Since multiple disciplines are involved, there's another name: areoid.
Time for some Latin
Hey, 'Scroticus Canis' - you're the 'dog's Ballockets', aren't you!
Re: Mach in Earth's or Mars' atmospheres?
Having asked this question before, I've found answers:
Hope that helps :-)
Don't weird things happen at supersonic speeds - a parachute might make it fall faster!
(I'd add an appropriate icon if I was allowed....)
Re: Supersonic parachutes?
Indeed they do, hence the shape that is reminiscent of the old Apollo heat shield.
The tricky part is slowing it down to a rather pedestrian mach 2ish, for coming in around mach 20+ is an energetic event.
I get the LSD bit...
Does this not infringe on some LOHAN patent or other?
You must sue, its the responsible thing to do.
Agreed. It would be churlish not to, really.
So they're going for the launch of the rocket "after release" - how will they get it to point up? (presumably without the use of a fantastical flying truss(tm))
How much does a rocket that can go from 120000ft to 180000ft, can travel at mach 3.5 and carry an inflatable decelerato saucer weigh? How big a balloon will that need??
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