Promethium Science Ship
I finally made a full legendary Promethium Science Ship. I am not sure I can ever go back to using regular production machines and inserters after this
It is designed to run two cycles of Promethium Science production for each collection round trip, so that is 12.8K science every 45 minutes or so.
It is probably easiest to consider that the cycle starts at Nauvis with a full load of Promethium and Quantum circuits already on board (so skips the biter egg part after initially built to pre-fill the ship).
At Nauvis it takes on board 6.4k biter eggs and processes the 16K of Promethium already on board into 6.4k of science and drops that to Nauvis immedately.
Then it takes on board another 6.4K of biter eggs and heads out to Shattered Planet where it processes the biter eggs into science (around 16K Promethium needed) and turns around when it runs out of eggs. This will allow it to fill up on another 16K+ of Promethium on the way back.
Then it stop at Aquilo to fill up on Quantum Circuits and finally heads back to Nauvis for the cycle to repeat.
Biter eggs are onboard for just over half the cycle.
Top speed is around 480Km/s, reduced to 300-325Km/s on the System Edge route and down to 225-250Km/s on the Shattered Planet route while collecting Promethium.
It seems to produce far ammo ammo than it can possibly use which is just a quirk of beacon placement around machines that needed them overlapping machines that didn't need so many. End result is it produces >8000 rounds of gatling ammo, >4500 rockets and ~1400 railgun rounds per minute and just under 12k fuel per second. I am not sure what it can actually use with everything on free firing, but I have never seen a gap on the ammo belts develop.
There are lots of circuits on board to handle speed control, asteroid collection and reprocessing, crusher production to minimize garbage (it occasionally has to dump a little excess production from a crusher to ensure it can never clog, but quite rare) and ensure science production safely handles eggs, flips stack inserter filters and machine recipe when needed to ensure eggs can never be trapped anywhere and are dumped overboard if anything goes wrong resulting in insufficient resources process the eggs.
The thrusters are handled in groups of 8, with groups shutting down to provide a kind of gearing system depending on the route. This way the speed control isnt limited to the speed range of a single group of thrusters and the end result is it has a speed range of from 50Km/s up to around 480Km/s. Without the grouping, the lower speed would be around 150Km/s. As it happens it seems quite happy at over 250Km/s on the Shattered planet part of the route, however as a just in case it does have a damage control reaction to slow down to minimum speed to allow time to recover using onboard repair packs and spare parts. So far it has never taken any damage.
There is still some more circuits work to do on it hence the bare area at the back, but it is otherwise functional enough for my use.
The odd shape at the front was an experiment to allow a higher concentration of collectors for fast collecting while still covering ahead of them with loads of weapons. Its seems to work.
While it does carry Promethium using belt storage which some like to label as 'cheesey', it does also carry eggs in the hub and processes eggs while collecting as well as back at Nauvis, so the best of both worlds.
No mods are needed for this, however I do have 2 mods in my game that are used on it:
- Nixie tubes for various displays
- My own fuel barrelling mod to get it moving after it is initially built. Without this it just takes much longer to get going for the first time while waiting for small chunks above Nauvis.
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