tlb wrote:penny wrote:Now, consider that a cheetah is very fast for a very short distance. Now, unbracket the possibility that a spider ship’s wedge may not be as efficient. But because of its improved particle screens it might be able to sprint faster for a shorter distance. Like a cheetah.
That is where your analogy breaks down: for a short distance, your ship is still accelerating, because it has not gotten close to the maximum velocity set by your particle screens. Whereas a cheetah has fantastic acceleration and is at its maximum velocity before many strides. A ship in the Honorverse is never going to be a cheetah (outside of a gravity wave).
Does a CM even reach its maximum velocity? How about the multiple stage CM shown at Galton?
Well
technically, if phrased like that then yes. Any CM
(that doesn't die from a successful intercept first) reaches its maximum velocity at its drive burnout
But, no, it wouldn't reach the maximum velocity a missile can survive - even a Mk 31 CM 75s @ 130,000g only reaches 95,550 KPS (about 0.3c). Far below what an MDM can achieve from rest, and even they aren't quite pushing the max a missile can take (which seems at or above 0.9c)
We have very little information on the Lorica, Galton's pod launched two stage CM -- just:
* the distance the MDMs were from them when they launched (35 million km)
* a misleading statement about that being 10x the max range of the RMN's best CM (misleading because it's comparing range at CM launch to intercept range; which glosses over than the incoming MDM is covering the majority of that distance for you.
(For example if you launched a 3.5 million km range Mk31 to intercept an MDM at 3.25 million km from you then, at the moment you launch the MDM would be about 16.7 million km away. Over the CM's flight it moves 3.25 million km towards the MDM but the MDM also moves nearly 13.5 million km towards the CM; you're shooting at where it will be, not where it is.
This means Lorica only launched from about twice as far away; not 10x. All this this was assuming an initial MDM flight of 50 million km -- but illustrates the point)
* that the Mk23s had no more than 179 seconds left on their drives (1 second into their 3rd drive's activation)
* that even with support from the Scotum fire control relay platforms they couldn't use it effectively at its max range (and so they likely launched so the intercept point was inside that max powered range).
But we don't have Lorica’s accel, range from rest, runtime of its drives; nothing. And there's just too many variable to come to a reasonable reconstruction (I can come up with a plausible one if they launched for a max range intercept
(2x60s @ around 110,000g for a ~7.7 million km intercept @ 0.43c) . But about all I'd be willing to stand by is even Lorica isn't coming anywhere near the max velocity of an MDM.