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Author Topic: Space Thread  (Read 178437 times)

LordBaal

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Re: Space Thread
« Reply #3165 on: February 20, 2021, 05:39:43 pm »

Develop force fields instead.
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I'm curious as to how a tank would evolve. Would it climb out of the primordial ooze wiggling it's track-nubs, feeding on smaller jeeps before crawling onto the shore having evolved proper treds?
My ship exploded midflight, but all the shrapnel totally landed on Alpha Centauri before anyone else did.  Bow before me world leaders!

Madman198237

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Re: Space Thread
« Reply #3166 on: February 20, 2021, 05:46:25 pm »

Develop force fields instead.

Instructions unclear, developed farce fields instead.
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We shall make the highest quality of quality quantities of soldiers with quantities of quality.

Starver

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Re: Space Thread
« Reply #3167 on: March 06, 2021, 06:44:32 pm »

I'm just properly going through some footage of SN10 (from the usual YouTube 3rd-parties who have got their output down to a fine art) and its... post-landing disassembly.

Finally think I confirmed what the spinning thing was, right at the end[1]. Looks like it was a pressurised-gas cylinder that was flung away, maybe itself undamaged, but outgassing anyway by the now severed tubing, making it rotate rapidly along its axis (and perpetuating this) as it flies out of shot.

A bit of a "badoom.. tish!" to the event, I suppose. Certainly makes me laugh!

(Also, I wish I could get the YouTube app to work like it used to, and not go into (sideways) portrait mode when I went into the video in landscape, having had the Watch Later list that way, and I want to just go back and manually choose my next chosen Watch Later!  There's probably some setting. Not relevent to Space, but... Grrrrr!)


In other space-hardware news, elsewhere I've seen a slightly heated discussion start about whether Ingenuity should be called a "Mars Rover". ((Sparked by its mention in https://xkcd.com/2433/ ...)) And, if not, what it should be called. (Assuming it gets to be a Mars Anything, of course.) Any (non-heated) thoughts from the far more sensible Bay12 crowd?



[1] First the whole thing shoots up in flames, scattering lower debris; then the majority of it lands again, obviously rupturing the header tank, with loads more bits shooting off, and there is a whole new lot of debris, including something that was "fluttering" away (debris, not a foreground bird).
« Last Edit: March 06, 2021, 06:48:30 pm by Starver »
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Madman198237

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Re: Space Thread
« Reply #3168 on: March 06, 2021, 08:52:48 pm »

Several of the flying bits were COPVs, at least one of which was being propelled by its own escaping gas through some point of failure or another. I highly recommend Scott Manley and his video on SN10 as he does mention this and does some analysis of the high-speed footage.

Why, exactly, is there a question about whether Ingenuity is a rover? It's going to rove around Mars, at least a little bit. I guess the other argument is that it's merely a science experiment package of the main rover?
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We shall make the highest quality of quality quantities of soldiers with quantities of quality.

Starver

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Re: Space Thread
« Reply #3169 on: March 06, 2021, 10:25:52 pm »

...one of the "It's not a Rover" suggestions was that it was a "PUP". Purposefully Unattached Peripheral.

As a UAV for use on Mars, someone suggested Martian Aerial Unmanned Vehicle Extending Reconaissance or "Mauver". But I think they were trying too hard for a 'rhyme'. (And it stopped me revealing my FIDO idea. ;) )


(It was just someone raging a bit, originally, but sides were taken in the fight by others that followed. I just thought it might be interesting, as a tag-on to the last post, but it probably wasn't so this should close it back down again.)
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Starver

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Re: Space Thread
« Reply #3170 on: March 22, 2021, 07:55:20 am »

For those previously interested, the Elsa-D craft have just been launched (as part of a multi-item soyuz payload). A pair of target/targetting sats that are going to be trying various catching operations (by magnet, but only as an on-again-off-again grapple, not a distance/orbit reducer) to get a feel of how easy it might be to handle stray objects.

Both will be fully controlled (the target will 'move' to various levels of awkwardness to catch, including initiate a tumble for later tests but can self-nullify that as needed) and will deorbit themselves on their own (ideally!) after all their fun'n'games. Most of the prior attempts at something similar (to my knowledge) tended to be "firing a harpoon at a self-held target extended on a boom", or possibly at a passive target released from the 'targetter' (both elements in guaranteed decaying orbits) so this should be interesting.

(Also maybe some miltech interest, in both the capabilities and otherwise that might be demonstrated. If that isn't secretly already somewhere at the front of the team's minds. ;) )
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Cthulhu

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Re: Space Thread
« Reply #3171 on: March 22, 2021, 08:47:05 am »

Develop force fields instead.

We do have whipple shields on some stuff.  Super thin layers of armor over the main body of a craft with a gap between them, hypervelocity bits of shit are going so fast they vaporize on impact with the shielding and the body of the craft just absorbs the impact of hot gas and dust, which isn't as nasty as the bit itself.

Ablative so it wears down over time and it's not gonna save you from a dead satellite crashing into you, but hey.
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Shoes...

Starver

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Re: Space Thread
« Reply #3172 on: April 14, 2021, 04:04:14 pm »

I see New Shepherd 4 worked well enough go be apparently ready to prepare for its first crewed launch, later next month... Probably worth an anticipatory note.
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bloop_bleep

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Re: Space Thread
« Reply #3173 on: April 16, 2021, 01:28:48 am »

I see New Shepherd 4 worked well enough go be apparently ready to prepare for its first crewed launch, later next month... Probably worth an anticipatory note.
lol @ "well enough"
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Starver

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Re: Space Thread
« Reply #3174 on: April 16, 2021, 02:14:43 am »

(Urgh... It's the rest of the sentence that I wish I'd written differently. No idea how it ended up with such contorted syntax. And "New Shepard", I must have badly autocorrected myself.)

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bloop_bleep

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Re: Space Thread
« Reply #3175 on: April 16, 2021, 03:01:56 pm »

I mostly meant it's funny to call something working "well enough" for a crewed launch...  :)
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Quote from: KittyTac
The closest thing Bay12 has to a flamewar is an argument over philosophy that slowly transitioned to an argument about quantum mechanics.
Quote from: thefriendlyhacker
The trick is to only make predictions semi-seriously.  That way, I don't have a 98% failure rate. I have a 98% sarcasm rate.

Starver

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Re: Space Thread
« Reply #3176 on: April 16, 2021, 05:42:18 pm »

Oh I know.

I really said that bit that way because, at the time I decided to mark the success, I hadn't seen much more than it had been a success. (Still not much more to say about this attempt. But you've reminded me I've got some Yotube footage marked to Watch Later, which I'll probably Watch Now, thanks for reminding me!)

But pretty much every other bit I used was inaccurate and/or just phrased in a weird/ugly way.  "Anticipatory note"? Sheesh.  I can't even blame it on being a 3:45AM post.

Quote from: What I maybe should have said
Hey, everybody! It looks like Bezos is finally going to be able to send humans into space next month!

(Or perhaps something riffing on an Amazon delivery date.)


I should say something actually Spacey, though, rather than be self-critical. Loads of stuff going up there, though a lot of it is very nearly yadda-yadda-yadda. All kinds of sats going up, Crew Dragon getting ready to launch its Crew 2, SLS is now getting there, SpaceX will be involved in the Artemis landings (apparently despite the current "SNs tend to go Boom" thing), Percy's doing Ok, Ingy's still getting ready...


So, instead, something I heard announced earlier today...

RIP Glynn Lunney, a key Flight Director during the Apollo 13 emergency.
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