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Re: ?
Post by tlb   » Sun Jan 21, 2024 12:27 pm

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Brigade XO wrote:Question, if they are in Hyperspace, is a LD also essentially invisible to every other navy's scanners.

If they are in an area of hyperspace where another ship can use its wedge, then they should be able to use the spider drive and be invisible (until a method to sense the spider is developed).

However if they are in an area where sails must be used, then they are as visible as any other ship using sails.
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Re: ?
Post by Jonathan_S   » Sun Jan 21, 2024 12:45 pm

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Brigade XO wrote:I am perfectly willing to admit viewing the LDs as gigantic "submarines" that were designed to be invisible/ essentially undetectable 1st strike weapons against planetary systems as that was the tactics deployed against Manticore and Grayson in Oyster Bay. That and the bits about having to massively moved forward Oyster Bay to cripple both Manticore and Grayson too early since Manticore had totally thrown The Plan off track.

Here's the thing though-----without any more information than what we have been given about the Ghosts, Sharks and the LDs. there aren't a lot of other lines of inquiry

Sure, you COULD use the LD's to slink around wormholes (like the Manticore Junction bout actually any wormhole bridge works) and butcher mostly merchant shipping and the occasional warship as they queue ut for transit or are departing.

Yes the LDs are probably overkill for 95% of the inhabited worlds but since they are "invisible" they can hang around and be used as hope-breakers as they let the 1st round of triage and reorganizing orbital operations get almost done and then kill everybody involved in the effort. Your killing more of the best trained and experienced people in the system which further reduces the system's ability to recover... Perfect for the RF to come sailing in to save the day- at least as far as stopping raids.

The Alignment has an incredible need to remain invisible and not painted with any blame for what they rightly believe would be the ultimate reaction of people to the "genetic supermen" who intend to be the puppet masters of the Galaxy.

Or- Genocide Are Us - as I have come to see the Alignment.

What I am hoping NOT to see is a very large suite of weapons systems as different as the G-torps and the Spider Drive suddenly pop up when the Alignment decides (and it may not be that long) that the situation is even worse than they believed after Houdini went sideways, they were exposed and Galton didn't perform up to expectation in cutting back the GA fleet before being removed from the board as yet another misdirection scapegoat for the Alignment.

If the LDs can use hyperspace, then they could still hang off well beyond the sensor range of 95% of systems, drop their loads and then vanish up to a week or more before they blow the crap out some system's orbitals and kill a few million of the population.

Question, if they are in Hyperspace, is a LD also essentially invisible to every other navy's scanners.
Well the Sharks can use hyperspace, because we saw them self-deploy to Manticore (and presumably also to Grayson). And while the Ghosts were snuck in in freighters they presumably used hyperspace to self-extract. So it'd be nearly inconceivable for a Lenny Det to be unable to use hyperspace.

Now their ability to safely cross grav waves, or use wormholes, are somewhat more in question (can they do it at all? do they have to use sails to do so; which would be visible?). But just accessing hyperspace itself, yeah that shouldn't be a problem.

And they should be quite stealthy in hyper too. On the one hand there's a higher background level of energetic particles -- so their stealth super-paint would need to be capable of preventing 'shadows' as they occlude the background radiation; but on the other hand that same background degrades sensors and sharply limits their range. The drive itself should be just as stealthy; but should work just like FTL comms can work -- they just act against the upper hyper wall of whatever band of hyperspace the ship is currently in.
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Re: ?
Post by ThinksMarkedly   » Sun Jan 21, 2024 1:48 pm

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tlb wrote:WOE: a word meaning great sorrow or distress, or something causing great sorrow or distress.

WHOA: a word used as a command to stop a horse, or indicating great excitement or surprise.

"Woe" would be correct, if you were wrong and the LD was about to be destroyed or captured.


Or he's bemoaning my misunderstanding of the situation.
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Re: ?
Post by ThinksMarkedly   » Sun Jan 21, 2024 2:03 pm

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Jonathan_S wrote:Don't see why they couldn't brake and loiter. (At least until they run out of power). The spider drive doesn't (as far as we know) burn itself out like a missile drive does - so as long as it can run it shouldn't care if the torp flips a 180 and starts slowing down.

(Now the torps might not have sensors on their tails - so it might be 'blind' while slowing down; or need to pull "Crazy Ivans" to occasionally look where it's going.


The difficulties with having one loiter off the stern of every ship are:
(a) Too likely for one to eventually be noticed -- I did say "if the stealth held"; and that's a big if at closer range surrounded by other ships.
(b) Would be left behind each time the ship left orbit - since, as noticed, the g-torps are slower accelerating than even many merchant ships.
(c) limited endurance. Yes they seem to have power for a week or so; but that's not very long if you want to have one loitering behind every ship waiting in case the MAlign decides to order them blown up.


The MAN already has an asset that can loiter for weeks, is small enough that it can go undetected for that long, and has very good on-board computing: the Silver Bullet. Against an unarmoured shuttle or yacht, it doesn't need a 3-second firing graser.

Those can't keep up with ships, but I don't think any spider asset can. Mind you, we can still be proven wrong, because we know only that they can go to "a few hundred gravities," and the grav plate limit is 150 gravities, but weapons don't need to provide a 1g internal field, so a weapon could conceivably still get to 400 gravities under what we know about the drives.

What this can do is loiter around where the ships must eventually come to: habitats and planets. Far enough away to not be detected by ships and static detection assets: say, nine million km (30 light-seconds) and well-off the least-time course to the hyperlimit. Once it detects its target and opportunity are coming, it can attempt to generate an intercept. Not by following, but by trying to cross the path of the target.
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Re: ?
Post by tlb   » Sun Jan 21, 2024 2:52 pm

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tlb wrote:WOE: a word meaning great sorrow or distress, or something causing great sorrow or distress.

WHOA: a word used as a command to stop a horse, or indicating great excitement or surprise.

"Woe" would be correct, if you were wrong and the LD was about to be destroyed or captured.

ThinksMarkedly wrote:Or he's bemoaning my misunderstanding of the situation.

Yes, that was his explanation.
penny wrote:I can understand the misunderstanding.

It is a cultural thing, and regional. I live in the Bible Belt, and we use it in this sense, Woe unto you for being so wrong.
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Re: ?
Post by tlb   » Sun Jan 21, 2024 2:59 pm

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ThinksMarkedly wrote:Those can't keep up with ships, but I don't think any spider asset can. Mind you, we can still be proven wrong, because we know only that they can go to "a few hundred gravities," and the grav plate limit is 150 gravities, but weapons don't need to provide a 1g internal field, so a weapon could conceivably still get to 400 gravities under what we know about the drives.

We know that the wedge drive for a missile has a built-in compensation effect, so that the internal mechanisms do not feel the full acceleration of the missile.

We do not think that the spider drive has that built-in, so the spider drive for a missile has to be limited to whatever acceleration the internal mechanisms can withstand. Which might be the 400G that you state.
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Re: ?
Post by penny   » Sun Jan 21, 2024 4:55 pm

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ThinksMarkedly wrote:
Jonathan_S wrote:Don't see why they couldn't brake and loiter. (At least until they run out of power). The spider drive doesn't (as far as we know) burn itself out like a missile drive does - so as long as it can run it shouldn't care if the torp flips a 180 and starts slowing down.

(Now the torps might not have sensors on their tails - so it might be 'blind' while slowing down; or need to pull "Crazy Ivans" to occasionally look where it's going.


The difficulties with having one loiter off the stern of every ship are:
(a) Too likely for one to eventually be noticed -- I did say "if the stealth held"; and that's a big if at closer range surrounded by other ships.
(b) Would be left behind each time the ship left orbit - since, as noticed, the g-torps are slower accelerating than even many merchant ships.
(c) limited endurance. Yes they seem to have power for a week or so; but that's not very long if you want to have one loitering behind every ship waiting in case the MAlign decides to order them blown up.


The MAN already has an asset that can loiter for weeks, is small enough that it can go undetected for that long, and has very good on-board computing: the Silver Bullet. Against an unarmoured shuttle or yacht, it doesn't need a 3-second firing graser.

Those can't keep up with ships, but I don't think any spider asset can. Mind you, we can still be proven wrong, because we know only that they can go to "a few hundred gravities," and the grav plate limit is 150 gravities, but weapons don't need to provide a 1g internal field, so a weapon could conceivably still get to 400 gravities under what we know about the drives.

What this can do is loiter around where the ships must eventually come to: habitats and planets. Far enough away to not be detected by ships and static detection assets: say, nine million km (30 light-seconds) and well-off the least-time course to the hyperlimit. Once it detects its target and opportunity are coming, it can attempt to generate an intercept. Not by following, but by trying to cross the path of the target.

The Silver Bullet has good onboard computing. What about the g-torps? Are the Silver Bullets tube launched?

Max accel = 400 gravities.

0 - 400 gravities = ?

Since the SBs are smaller, they should be more maneuverable.

Yeah, in light of the brake-n-loiter tactic, stealth weapons should be pre-inserted. In that manner they are never chasing the ships; the ships are flying into their web. Said the spider to the fly.

It all reminds me of the tactic that killed Courvosier. The MA knows the GA has to keep "returning to the scene of the crime." :D
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The artist formerly known as cthia.

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Re: ?
Post by Jonathan_S   » Sun Jan 21, 2024 6:24 pm

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penny wrote:The Silver Bullet has good onboard computing. What about the g-torps? Are the Silver Bullets tube launched?

Max accel = 400 gravities.

0 - 400 gravities = ?

Since the SBs are smaller, they should be more maneuverable.

Yeah, in light of the brake-n-loiter tactic, stealth weapons should be pre-inserted. In that manner they are never chasing the ships; the ships are flying into their web. Said the spider to the fly.

It all reminds me of the tactic that killed Courvosier. The MA knows the GA has to keep "returning to the scene of the crime." :D

Silver Bullets are not smaller; in fact they're substantially larger than g-torps.

So, no, they can't be tube launched by existing platforms (Sharks) and are very unlikely to be tube launchable even by Lenny Dets. They're built off bulking up a MAlign spider powered recon drone - with the graser-head off a g-torp grafted on the nose, some expanding solar panels stuck onto the body, and IIRC twice as many plasma capacitors as normal stuffed into its enlarged guts. And even regular sized recon drones are normally launched from boat bays -- not tubes.

Also 400 gravities is just a guess at what RFC meant by "a few hundred". Me, I guessed that actually meant 300, not 4, as 4 is verging towards "several" -- but all we know for sure is "a few hundred".
Last edited by Jonathan_S on Sun Jan 21, 2024 6:25 pm, edited 1 time in total.
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Re: ?
Post by ThinksMarkedly   » Sun Jan 21, 2024 6:25 pm

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penny wrote:The Silver Bullet has good onboard computing. What about the g-torps? Are the Silver Bullets tube launched?


They were bigger than a recon drone, so I expect not. But the torpedoes are also much larger than missiles, which is why the Sharks had to carry them outside. Which one is actually bigger isn't stated.

I'd expect the SBs to be bigger.

Max accel = 400 gravities.

0 - 400 gravities = ?


The jerk (the rate of change of the acceleration) is never stated anywhere for any of the HV tech. It appears to be so close to instantaneous that, for all practical effects, it is.

Since the SBs are smaller, they should be more maneuverable.


Than a ship, yes. Than a torpedo, I don't know. I'd actually expect them to be as manoeuvrable.

Yeah, in light of the brake-n-loiter tactic, stealth weapons should be pre-inserted. In that manner they are never chasing the ships; the ships are flying into their web. Said the spider to the fly.

It all reminds me of the tactic that killed Courvosier. The MA knows the GA has to keep "returning to the scene of the crime." :D


Right.

This is my problem of the proposal of using the LD to execute those tactics: the technology already displayed shows a better way of accomplishing the same. No need to risk the LD, its 5 years of construction effort and 10,000 crew aboard, if an SB or torpedo, or a half dozen of them, can do the job.
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Re: ?
Post by ThinksMarkedly   » Sun Jan 21, 2024 6:58 pm

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Jonathan_S wrote:So, no, they can't be tube launched by existing platforms (Sharks) and are very unlikely to be tube launchable even by Lenny Dets. They're built off bulking up a MAlign spider powered recon drone - with the graser-head off a g-torp grafted on the nose, some expanding solar panels stuck onto the body, and IIRC twice as many plasma capacitors as normal stuffed into its enlarged guts. And even regular sized recon drones are normally launched from boat bays -- not tubes.

Also 400 gravities is just a guess at what RFC meant by "a few hundred". Me, I guessed that actually meant 300, not 4, as 4 is verging towards "several" -- but all we know for sure is "a few hundred".


Right, that was my speculation. We know the maximum acceleration crewed spider ships can get to is 250 gravities for short periods, because the grav plates leak 10% of the extra acceleration above 150, so the crew is feeling 10 gravities at that point. Above this, the crew would be incapacitated.

That means the ship could be pre-programmed to escape by ramping up to 270 to 30 gravities, letting 12 to 15 gravities through to the crew. The MAlign has probably experimented with strengthened bones and blood vessels through genetic tinkering, drugs, and nanites. There may be a high number of casualties and fatalities if a ship does this, but the ship itself surviving with a bare-bones crew may be worth the cost.

But as I said, uncrewed assets could be made to withstand 40 gravities, so 550 gravities in a spider could be allowable.

The next problem is we know that the spider's acceleration is dependent on the number of tractors it can mount on its surface. So that speaks against small assets having high acceleration. But again we don't know what that is going to be. We just know it isn't anywhere near as fast as a wedge missile, and "hundreds of gravities" is also very much below what an RD can do.
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