Tuesday 25 December 2018

Progression of Warp Drive limits in Canon vs. Starfleet Museum

Starfleet Museum is a wonderful creation, and I make great use of it as a source of ideas and images for roleplaying games. Masao Okazaki and company have put a lot of effort into it for years, and I'm glad they did. But they were among the first to acknowledge that Star Trek: Enterprise immediately rendered most of their work moot, as the two contradicted each other heavily. For today, I'd like to restrict myself to looking only at how they differed in terms of maximum warp speeds achieved at various times, by different classes of vessel. I think this will be of future use to me for roleplaying purposes, and I wish I'd done this a year ago, when I was setting up my current campaign. But by luck, I think I've accidentally got things right anyway. I think it may also be useful for making a bit more sense of Star Trek: Discovery's very interesting but sparsely detailed (in the first season) new starship classes.

But mainly, I wanted to kill time making graphs, and these warp speed graphs proved to be much more enlightening and entertaining to me than the ones I've been using to try to make sense of Starfleet's registry number system. I guess that'll be a future post.

(click to embiggen)
Graph of maximum speeds of starship classes vs. earliest known year for that starship class (2060 to 2260)
(warp speeds in old TOS scale)
It seems to me that Starfleet Museum made one silly mistake when making up the warp speeds for their starships, and it should have been an avoidable mistake (though hindsight helps a lot in this case). In the graph above, it's very clear that Okazaki used an exponential progression in warp maxima, and I'm pretty sure it must have been set between warp 1 in 2063 (the Pheonix) and warp 9ish in 2245 (Constitution class). The orange dots fit that curve very neatly, even with the sudden denser packing in the late 2150s (the Earth-Romulus War).

And the known canon Earth starships before 2145 seem to start off following a pretty similar line. But from 2145, the dark blue line veers up sharply, through the early NX prototypes, the Freedom class, the actual NX class itself, and Beta canon's Columbia/NX-refit class (just to show that a warp 6 example fits the same pattern) These all make a surprisingly straight line right up to the warp 7 Daedalus class of 2161, the first UFP starship. It's so neat that I have to assume it was mostly intentional, with the ENT writers having at least some sort of plan about this in mind, and which the writers of the 13th movie could easily slot their own addition into.

But why is it so different from the Starfleet Museum gentle exponential curve, and why does it make sense? Well, look at the pale blue line, the Vulcan ships. ENT made it clear that the Vulcans were well ahead of the Humans, and had been for centuries. But they didn't invent that; TOS's writers established this technological headstart decades earlier. Okazaki couldn't have guessed that ENT's writers would pick warp 5 and warp 7 as the exact figures for Earth and Vulcan maxima in 2151, but he probably shouldn't have assumed Human engineers would be at the cutting edge of starship design once the Federation was formed. Andorian, Tellarite and Vulcan engineers all had to have had roughly a quarter of the whole pool of Federation astronautics skill, and it's long been established that Vulcans started off with greater than just a quarter share.

We also know that Vulcan progression was described by humans in ENT as "slow", since they'd been developing warp drive since some vague time in the 19th century (probably) and compared with Human progress in the 2140s, that Vulcan development rate must have looked painfully slow. But considering the Human rate before the 2140s didn't look much faster, and the sudden Human jump was definitely helped by Vulcan and other species' assistance, it's probably fair to say that Archer and co. were being unrealistic and damn ungrateful. Earth, left solely to its own devices, probably wouldn't have reached warp 7 any faster than Vulcan did.

Of course, Vulcans do seem to have stagnated a little, with no recorded improvement in their top warp speed in the couple of decades preceding the events of ENT. I'm sure it's fair to say that all parties, including the Vulcans, gained a lot from the combined efforts of the post-2161 UFP engineering pool, sharing knowledge and different specialisations in the way that a monoculture inherently can't. Technological acceleration due to the founding of the Federation seems to have been inevitable. If that's not all intentionally in keeping with Star Trek's inclusive, mutually supportive ideals, then it's a great coincidence to uncover. Once everyone starts working together for the common good, things get great fast.

So, Starfleet Museum forgot to account for Andorian, Tellarite, and especially Vulcan contributions to Earth's starship designs, and that's why the gentle orange curve makes less sense than the sharp blue jags that ENT gave us. But what next, what about the time from TOS to VOY?

(click to embiggen)
Graph of maximum speeds of starship classes vs. earliest known year for that starship class (2060 to 2380)
The same graph, extended 120 years further, shows the massive warp speed increases from TNG onwards. The orange curve for Starfleet Museum is roughly headed that way, though it's apparent that MS Excel and Okazaki disagree on the just how steep the curve should be at the right end.

Canon information about starship performance between TOS and TNG gets sparse, as the TOS movies were generally pretty vague about technical details. There's a whole lost century to fill in there. The same is true between 2160 and 2240, by the way, if you exclude all the orange dots. These are the two big empty periods in Star Trek history generally, and not just for starship stats.

It looks like warp 9 on the new TNG scale (a little more than double warp 9 on the old TOS scale, which would be nearly warp 11.5, not warp 18) should have been achieved around the mid-2300s, but I don't think there's any clear evidence for exactly when this would have happened. To give at least a rough sense of how things might have changed over time, I connected the dark red line between only known canon classes with exact first launch dates, and which are known to have been the fastest of their time. That doesn't give a lot of data points to connect, but at least it looks roughly like a neat curve of some sort.

Are the last two Starfleet Museum classes (the Furious and Spectre classes) feasibly positioned on this graph? Yeah, sure. I don't have clear data to argue with them, as I do with the earlier ENT stuff. It looks to me like Okazaki has in that case simply drawn a straight line between the Constitution and Galaxy classes, and I can't reasonably call that a mistake. My dark red curve is just as much a guess.

One other possibility, which makes reasonable sense, but still doesn't have much supporting data, is that we do know that warp power requirements jump up fiercely at each higher warp factor (and that's why the warp factor numbers are set at those specific integers), and this could be reflected in warp drive development timelines too. Perhaps it's easy to get from a warp 7 design to a warp 7.1 design and a 7.2 design and a 7.3 design, and then 7.5 is trickier, and 7.8 is a pain, and 8 is a huge extra effort, but then the first 8.1 design is (comparatively) piss easy again, etc. With recurring challenges like that, I'd expect to see a stepped graph, mirroring the steps of the warp power graph. This could explain the slow progress of pre-Federation Vulcan warp development. It would also imply that the neat straight line of Human warp drives between factors 2 and 7 was definitely artificially boosted.

I'll also note the only two DISCO designs with known (although not mentioned on screen yet) warp maxima. The little green triangle below and left of the Constitution class square represents the earliest known date for the warp 6 Walker class (specifically, the USS Shenzhou), and the green triangle just to the right of that is the warp 8 Crossfield class (specifically, the USS Glenn and USS Discovery).

It's been pretty common in all Trek series for the main hero ship to be the fastest in the fleet (at least at first), with most other ships running a fair bit slower. So it doesn't seem unreasonable that the Walker class is below where the fastest Vulcan ships were a century earlier; it's just not designed for missions that require maximum possible warp speed, even when it was brand new. And so it can't easily fit in just about anywhere on my graph. I have thoughts about its registry number and what that implies about when it was built, but that's another post.

The Crossfield class is more complicated in a few messy ways, but warp 8 is basically about right for a fastest ship preceding the Constitution. The very low registry number (lower even than the Shenzhou's registry) of the two known Crossfields has thrown a lot of people off, and it does complicate trying to work out how all these things fit together. I'm sure the show will provide more evidence about this eventually, but for now, my personal headcanon is this:

The initial preview trailers for DISCO showed an earlier version of the Crossfield class, with a solid saucer section, much shorter nacelles, and a few other differences. We know, in the real world, that the redesign to the Discovery that's actually seen in the series is a simple artistic style change, plus a way to show some moving parts for the magic mushroom drive that are distinct from the traditional warp drive components. But, in universe, I reckon for now that the earlier design represents what the actual Crossfield class was originally built as (probably in the 2230s, perhaps before the Walker class was launched). Only the two experimental magic mushroom drive ships (Glenn and Discovery) were refitted to the 2256 design, with elongated nacelles and a rebuilt, divided-up, rotating saucer section, cut from the natural hull divisions of the original design. The reason USS Discovery is described as "new" in 2256 is because of the major rebuild.

So I would guess that the USS Crossfield probably didn't originally launch with a maximum warp of 8, it was probably closer to warp 7.5ish, and it may never have been upgraded to match the Glenn refit that gave Discovery its top warp 8.

Of course, a lot of this is also dependent on finding a logical system underneath the mess of NCC numbers, which I said I'd leave til another day. But just looking at the warp factor, I think we can take it as pretty damn certain that USS Discovery probably isn't totally brand new as late as 2256.

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