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C# Bureau of Design / Re: MaxTech Corvette for Anti-Missile Work.
« Last post by xenoscepter on Today at 09:36:57 PM »
 --- Well, I suppose I should weigh in at this point.

...I am having trouble understanding the goal of this "MaxTech" series. Is the idea to develop a RP setting or to experiment with what are the most effective ways to deploy MaxTech in a fleet setting?...

...No ship in Aurora needs 2.5 trillion km range...

...The entire propulsion system is frankly terrible. 50% engine multiplier? Why the insistence on a commercial engine for a military vessel? Even for escorting a logistics train, just send a jump-equipped ship along with the escorts, MaxTech jump drives are small and their costs scales only with size so this isn't a heavy burden on the fleet. Engine + fuel combined are 35/62 HS, why even build a ship that can spare so little tonnage for anything else? And then overload it with F/DT/ML? It's just an extremely wasteful design when MaxTech offers so much more potential...

 --- This is mostly bad form on my part. To the first question, as to whether it's RP or experimenting, the answer is annoyingly, "Yes." I won't go into huge depth on the specifics because it'd be a huge paragraph of meaningless drivel, but for all practical terms, "Yes." will suffice. No, the ship shouldn't have 2.5 Trillion range, the point was to evaluate whether a ship that small might work or not with less range and more speed. The drive doesn't need to be 50% power, or even would be as the final product, but rather was a placeholder for the weapons, armor and such to be evaluated. I did this partly because I hadn't yet worked out a fleet speed, and partly because I knew it wouldn't exceed 100,000 km/s, so the turrets would be a given. All in all, poor form on my part, but for what it is worth; I got lots of good info AND the kinds of info I was looking for. So, uh, Mission Failed Successfully I guess...

...As well, you'll only get one shot at said volley because they'll transverse your whole range in less than a second anyway, so the difference in range between the laser and Gauss wouldn't make too much of a difference (I believe, but I'm not quite sure how the FDF actually works...

...At this point it'd probably be better to go with an AMM build as missile tech is insane at this point...

 --- Incidentally I came to this same conclusion before I ever even checked back on this post. The laser is totally useless, at least at that size / range and AMMs are indeed insane. Final-Defensive Fire means the only difference would be that the laser and the Gauss is that the laser would be ever so slightly more accurate, for what that info is worth.  :)

...Cloaking is very useful even on non-stealth ships as it directly reduces the active sensor lock range of the enemy to ASM missile lock ranges. At 99.5% reduction most of your main capital warships will have an active signature of 50 tons, rendering any active not on resolution 1 practically worthless. This either massively drives up Uridium cost and sensor tonnage, or severely gimps the range at which the enemy can engage you...

...This means that fighters are effectively obsolete with an exception to missile stealth bombers firing AMMs of their own as no level of speed will grant survivability against AMMs...

...So my advice regarding the initial corvette design is this:...

 --- I agree with all of that advice, and it is duly noted. I have in fact already replaced my Laser-Armed Starfighter with a Size-1 Missile armed version...I am very pleased with it so far, so perhaps fighters aren't that useless? We shall see on that one. Cloaking is something I haven't gone into... yet. It is on the slate though.
The Academy / Re: Save Files or Exporting Ground Troops
« Last post by RougeNPS on Today at 12:37:16 PM »
Yeah. Unfortunately, you cant take Ground Units, as much as i wish i could.
The Suns Never Set / Re: The Suns Never Set - Comments Thread
« Last post by nuclearslurpee on Today at 10:37:49 AM »
Update, hooray!  ;D

With the temperature range between -90C and 110C, the planet would still need infrastructure and was likely to have a final colony cost around 0.70 due to tide-locking. The water cycle was complex, with the planet going through frozen, liquid and vapour hydrosphere types at different points of its orbit, but the time spent in the hottest part of the orbit was not sufficient to evaporate more than a small fraction of the surface water.

Sounds like the new changes to terraforming and hydrosphere are working really nicely, then.

Ze Space Germans seem suitably intimidating. It is unfortunate that engagements with the Corsairs will keep our fleet from properly establishing relations with them, of one sort or another. I am wondering if these are Precursors or just a normal NPR with large ships, we shall see.

I am liking the effectiveness of STOs against the Corsairs shown in this update. Another viable method to defend our outlying colonies even if STOs are obviously not able to chase them down and drive them out of the system.

And so it seems that the Space Italians will be played by The Swarm in this episode. This is likely to pose a serious challenge to the Admiralty, particularly in terms of logistics as the distant and inhospitable Cyrene system seems to be the necessary place to defend against any incursions to prevent these aliens from expanding into other explored systems. I do think the Royal Navy will have the necessary ships available to meet this threat, at least on defensive footing, but they will be stretched very thin given the conflicting demands to defend against the Corsairs and to maintain colonial stations plus forces opposing the yet-unknown Space Germans.

Quite a lot of drama and intrigue in this galaxy now. Maybe in the next update we will get to see a big space battle to complement all of this border tension and Corsair hunting so far!
The Suns Never Set / Re: The Suns Never Set - Updates Thread
« Last post by Steve Walmsley on Today at 09:57:23 AM »
The period from 1892 to 1897 was something of a golden age for the British Empire. As a result of the agreement with the Beershebae Hegemony, which became known as the Acheron Accords, the border remained quiet, with just the Hegemony diplomatic ship maintaining contact. There was also no sign of the Corsairs. The focus of the Empire was on exploration, scientific research and economic expansion. By November 1897, known space had grown to sixty-five systems, the most distant of which was eight transits from Sol. Five new colonies were established and terraforming took place on six different worlds. Ion technology was discovered and the Royal Navy built its first energy-armed warships.

The number of Apollo class survey cruisers increased to twelve, with the construction of HMS Brilliant and HMS Sybille in February 1892 and HMS Amphion and HMS Arethusa in March 1893. The intrepid survey crews continued to expand the horizons of the Empire, making a number of interesting and valuable discoveries, with the greatest impact on the future of the Empire coming from the geological survey of Alexandria II. The tide-locked, dwarf planet lacked both air and water and had an eccentric orbit that moved between six and twenty-six million kilometres from the faint M3-V primary, resulting in a temperature range of almost two hundred degrees during each twenty-three day orbit. It was not an ideal location for a colony.

Regardless of suitability, the Admiralty knew it would be a major colony as soon as they received the survey report. Over two million tons of accessibility 1.0 Duranium, accompanied by accessible, million-ton-plus deposits of Gallicite, Corundium, Boronide and Vendarite and four hundred thousand tons of Uridium. With Earth’s own deposits being rapidly depleted, Alexandria II was very likely to be the future mining hub of the Empire, unless an even greater discovery was made.

Alexandria-A II Survey Report
Duranium:   2,324,168   1.00
Neutronium:   23,716   0.50
Tritanium:   9,604   0.90
Boronide:   1,587,600   0.80
Mercassium:   12,544   0.90
Vendarite:   1,623,076   1.00
Uridium:   379,456   0.90
Corundium:   1,382,976   0.60
Gallicite:   1,449,616   0.70

Earth Survey Report – November 1897
Duranium:   435,516   0.90
Neutronium:   59,944   0.60
Corbomite:   22,160   0.29
Tritanium:   2,843   0.15
Boronide:   29,925   0.33
Mercassium:   80,675   0.68
Sorium:   3,809   0.16
Uridium:   60,120   0.39
Corundium:   12,120   0.27
Gallicite:   14,975   0.30

By the end of 1897, the colony had a population of twelve million and the surface installations included two hundred and forty-six automated mines, ninety manned mines, twenty-eight construction factories, twenty-four maintenance facilities, a refuelling station and an ordnance transfer station. Terraforming had cooled the planet a little, created a breathable atmosphere and added the first surface water. The colony cost was 1.39, but that would reduce as more water condensed out of the atmosphere. With the temperature range between -90C and 110C, the planet would still need infrastructure and was likely to have a final colony cost around 0.70 due to tide-locking. The water cycle was complex, with the planet going through frozen, liquid and vapour hydrosphere types at different points of its orbit, but the time spent in the hottest part of the orbit was not sufficient to evaporate more than a small fraction of the surface water.

To protect the valuable colony, a fleet known as the Alexandria Station was established in orbit, comprising two Diadem first class cruisers, an Astraea second class cruiser, two third class cruisers and eight destroyers, totalling fifty-five thousand tons of warships. The first Plymouth class maintenance base was also in orbit to provide support for the fleet without taking up valuable manpower on the surface. The four battalions of the Buffs (Royal East Kent) Regiment provided the local garrison, with three thousand two hundred infantry, ninety-six Maxim machine guns and a dozen 32-pounder field guns. Two Royal Artillery batteries, each with six 8-inch ultraviolet lasers, and two Shore Defence batteries, each with four twin 4-inch laser turrets, provided surface-to-orbit capability.

The adjacent system of Epsilon Eridani was home to the Empire’s fuel production operations. By the end of 1897, thirty-one harvesters were in orbit of Epsilon Eridani VI, a superjovian with fifty million tons of accessibility 1.0 Sorium. The colony on the third moon of the superjovian, established to provide a base to protect the harvesters, had grown to twelve million and supported sixty-four maintenance facilities. The moon had also undergone terraforming. However, with a diameter of only 1600 km and a parent body that had a stable orbit, it was a much easier task than in Alexandria. The terraformers departed by 1896, leaving a breathable atmosphere, pleasant temperatures and scattered lakes that were growing slowly as water vapour condensed from the atmosphere. The fleet in the system, known as Eridani Station, was almost identical to that in Alexandria, with the exception of an additional third class cruiser. Ground forces, including surface-to-orbit, were also similar, with the Royal Scots Regiment serving as the garrison.

Both Alexandria and Eridani were connected to Sol, with a link from the former being discovered in July 1893. However, due to the distance of the jump points, it was actually faster to reach the two systems by moving through Darwin’s Star, Ephesus and Argos. In fact, apart from the systems beyond Alpha Centauri, Darwin’s Star was the gateway to all of known space. Given the importance of the system in astrographic terms, a colony was established on the first planet, a tide-locked, mid-sized terrestrial world with a large ice sheet and a thin nitrogen-oxygen atmosphere. As the planet itself had little inherent value beyond its location, no effort was made to terraform it. However, as the planet was less than three hundred and fifty million kilometres from Earth, it became a popular destination for settlers looking for a new life. By 1897, the population of the Darwin Colony was over eleven million, most of which had been transported by the colony ships of the White Star Line, a civilian shipping company operating nine vessels. The Northumberland Fusiliers Regiment acted as garrison, supported by two batteries of the Royal Artillery. There was no permanent naval presence in the system, given it was so close to Earth.

One jump point out from Darwin’s Star was Corinth, the third planet of which was home to the first off-world colony of the British Empire, established in early 1891. Corinth III was similar to Alexandria II in both size, also being a dwarf planet, and eccentricity of orbit, with a perihelion of twenty million kilometres and an aphelion of fifty-eight million. The temperature range was almost as large, ranging from -72C to 105C once terraforming was completed in 1895. Corinth III was an ideal habitable world for a small portion of its orbit, before reaching colony cost 0.6 at the two temperature extremes. The proximity to Sol and the early terraforming resulted in the largest population of any colony, passing twenty million in late 1897. While Corinth Colony did have some mineral resources, it was completely overshadowed by the survey of Alexandria II and found a new identity as a centre for banking and wealth generation. One hundred and seventy-six financial centres were in place. The planet was also home to a small naval base, which housed the fleet designated as Corinth Station, comprising three cruisers, one of each class, and six destroyers. The Queen’s Royal Regiment served as the garrison force.

Corinth-A III Survey Report
Duranium:   739,328   0.60
Neutronium:   16,384   0.70
Tritanium:   350,464   0.90
Mercassium:   123,904   0.40

After the four large colonies in Alexandria, Eridani, Corinth and Darwin’s Star, there was substantial drop in population size to the remaining three colonies in Alpha Centauri, Achaea and Delphi. The Centauri Colony was originally established because of the alien ruins on the surface of Alpha Centauri IV. Once those were surveyed and anything of value recovered, the colony became a base to support for exploration of the Centauri Arm, a chain of eight systems that lay beyond Sol’s outermost jump point. There were systems six transits away from Sol that were closer in real distance than the primary of Alpha Centauri, which made the chain the most remote in the Empire. Alpha Centauri had a single outward jump point close to the primary so it made sense to create a naval base in the system that could support independent survey operations and provide early warning of any threat.

The colony had a population of less than three million in late 1897 and its sole focus was providing manpower for twenty-eight maintenance facilities, which were the only installations on the planet except for a refuelling station and a tracking station. A small cruiser squadron, known as the Centauri Station and comprising a Diadem, an Astraea and a Pelorus, was based at the colony, with the remaining facilities available to overhaul survey cruisers. The Royal Warwickshire Regiment was stationed on the surface.

Achaea Colony, located two transits out from Epsilon Eridani, had a population of one point two million and was the most unusual outpost of the Empire. In September 1893, an alien construct was found on Achaea II, a huge super-terrestrial world dominated by arid mountains. The dense nitrogen-oxygen atmosphere of 5.4 atm and the gravity of 2.28G were both well beyond human tolerance. A study of the construct revealed that it was intended to support research into energy weapons and would double the effectiveness of any such research conducted on the planet. This was extremely frustrating for the Empire’s scientists as the planet was not suitable for human habitation. However, while a fully fledged research colony was not possible, the British government, under pressure from the Royal Society, decided to create a scientific outpost in orbit. An orbital habitat, designated as the Isaac Newton class, was designed to house two hundred thousand colonists. Six were built and towed to the planet. While no research was conducted on Achaea II, the study of the construct was sufficient to boost energy weapon research in the rest of the Empire by approximately ten percent. A Pelorus-B third class cruiser provided security for the colony.

The smallest populated colony of the Empire was on Delphi II, which was four transits from Sol on the shortest route. A destroyed alien outpost was found on the planet in May 1893 and the Royal Engineers recovered a small number of installations, including sufficient infrastructure to house one million settlers. The White Star Line saw an opportunity to transport paying colonists to a planet with available accommodation and the Delphi Colony was born. As the colony was on the stable jump network and had a single outward jump point leading to the Luxor system, the Admiralty arranged for a tracking station to be delivered so that it could provide early warning of any alien incursion from that direction. In addition to the populated colonies, a number of civilian mining colonies were setup. By the end of 1897, there were ten civilian colonies in Sol and a further two in Alexandria, totalling thirty-seven civilian mining complexes.

Technology progressed considerably between 1892 and 1897, with the most notable advances being ion engines and laser weapons. 8-inch, 5-inch and 4-inch ultraviolet lasers were developed, along with a relatively primitive 4-inch railgun, and the first new energy-armed classes were designed. The first to see service was the Gem third class cruiser, an interim design with gas core engines that was intended to provide close-in anti-missile defence while the Empire developed higher technology lasers. HMS Amethyst, HMS Diamond and HMS Sapphire were launched in September 1894 and followed by three sister ships a year later. All six were refitted with ion engines once that technology became available.

Gem class Third Class Cruiser      6,250 tons       213 Crew       810 BP       TCS 125    TH 400    EM 0
3200 km/s      Armour 4-30       Shields 0-0       HTK 45      Sensors 2/2/0/0      DCR 3      PPV 36
Maint Life 2.02 Years     MSP 243    AFR 104%    IFR 1.4%    1YR 79    5YR 1,190    Max Repair 200 MSP
Commander    Control Rating 2   BRG   AUX   
Intended Deployment Time: 14 months    Morale Check Required   

Parsons PN-400 Triple Expansion Gas-Core Drive (1)    Power 400    Fuel Use 35.00%    Explosion 10%
Fuel Capacity 250,000 Litres    Range 20.6 billion km (74 days at full power)

4-inch Railgun (12x4)    Range 20,000km     TS: 4,000 km/s     Power 3-3     RM 20,000 km    ROF 5       
Barr and Stroud MK I Railgun Fire Control (3)     Max Range: 48,000 km   TS: 4,000 km/s     79 58 38 17 0 0 0 0 0 0
R-12 Gaseous Fission Reactor (3)     Total Power Output 36.5    Exp 5%

Maxwell MX-20 Navigation Sensor (1)     GPS 1440     Range 21.6m km    Resolution 120
Maxwell MX-4M Missile Detection Sensor (1)     GPS 12     Range 4.4m km    MCR 393.3k km    Resolution 1
Rutherford RE-2 EM Sensor (1)     Sensitivity 2     Detect Sig Strength 1000:  11.2m km
Rutherford RT-2 Thermal Sensor (1)     Sensitivity 2     Detect Sig Strength 1000:  11.2m km
ECCM-1 (1)         ECM 10

The laser-armed first ship to see service was the Griffon class destroyer, a 1000-ton vessel mounting a twin 4” turret. With a range of nine billion kilometres, the Griffon could provide coverage of an entire star system or support larger ships in short-ranged fleet operations. As the lasers were turreted, they were capable of providing anti-missile defence. Twelve were in service by late 1897.

Griffon class Destroyer      1,000 tons       28 Crew       163.6 BP       TCS 20    TH 80    EM 0
4003 km/s      Armour 1-8       Shields 0-0       HTK 7      Sensors 0/0/0/0      DCR 0      PPV 8.16
Maint Life 1.25 Years     MSP 100    AFR 200%    IFR 2.8%    1YR 66    5YR 994    Max Repair 52.4 MSP
Lieutenant Commander    Control Rating 1   
Intended Deployment Time: 6 months    Morale Check Required   

Thorneycroft T-80 Ion Turbine (1)    Power 80    Fuel Use 87.50%    Signature 80    Explosion 10%
Fuel Capacity 44,000 Litres    Range 9.1 billion km (26 days at full power)

Twin 4-inch QF Laser Turret (1x2)    Range 64,000km     TS: 16000 km/s     Power 6-6     RM 40,000 km    ROF 5       
Barr and Stroud MK III-S Laser Turret Fire Control (1)     Max Range: 64,000 km   TS: 16,000 km/s
R-6 Magnetic Mirror Fusion Reactor (1)     Total Power Output 6.2    Exp 5%
Maxwell MX-2M Missile Detection Sensor (1)     GPS 3     Range 2m km    MCR 175.9k km    Resolution 1

The Eclipse Second Class Cruiser was the first laser-armed warship intended to serve as an integral part of the battle fleet. Her main armament comprised six 8-inch ultraviolet lasers, supported by a secondary armament of two twin 5-inch quick-firing turrets for missile defence and increased damage output at closer ranges. The Eclipse also featured the first next generation active sensors to be included in any design. Three Eclipses were laid down at the Thorneycroft Shipyard and were scheduled for completion in late November 1897.

Eclipse class Second Class Cruiser      9,375 tons       305 Crew       1,559.8 BP       TCS 187    TH 750    EM 0
4000 km/s      Armour 5-39       Shields 0-0       HTK 70      Sensors 5/0/0/0      DCR 5      PPV 57.76
Maint Life 2.37 Years     MSP 519    AFR 141%    IFR 2.0%    1YR 127    5YR 1,899    Max Repair 187.5 MSP
Commander    Control Rating 2   BRG   AUX   
Intended Deployment Time: 12 months    Morale Check Required   

Parsons PN-375 Triple Expansion Ion Drive (2)    Power 750    Fuel Use 40.41%    Signature 375    Explosion 10%
Fuel Capacity 409,000 Litres    Range 19.4 billion km (56 days at full power)

8-inch Ultraviolet Laser (6)    Range 256,000km     TS: 4,000 km/s     Power 10-3.5     RM 40,000 km    ROF 15       
Twin 5-inch QF Laser Turret (2x2)    Range 160,000km     TS: 16000 km/s     Power 8-8     RM 40,000 km    ROF 5       
Barr and Stroud MK II Laser Fire Control (2)     Max Range: 256,000 km   TS: 4,000 km/s
Barr and Stroud MK III Laser Turret Fire Control (1)     Max Range: 64,000 km   TS: 16,000 km/s
Magnetic Mirror Fusion Reactor R12-A (3)     Total Power Output 37.7    Exp 5%

Maxwell MX-38B Active Search Sensor (1)     GPS 3840     Range 38.6m km    Resolution 120
Maxwell MX-2MB Missile Detection Sensor (1)     GPS 4     Range 2.5m km    MCR 222.5k km    Resolution 1
Rutherford RT-5 Thermal Sensor (1)     Sensitivity 5     Detect Sig Strength 1000:  17.7m km
ECCM-1 (1)         ECM 10

The development of Ion technology also led to a series of refits for the existing, missile-armed classes of the Royal Navy. In each case, the gas core engines were replaced with their ion equivalent with no other design changes being made. As of the start of November 1897, all ten Royal Sovereign class battleships, all twelve Diadem class cruisers, all twelve Astraea second class cruisers and the thirty Havock class destroyers had been refitted. The refit programme for the fourteen Pelorus third class cruisers was just beginning and only one ship had been upgraded to ion engines. There were no plans to refit the two Blake class jump cruisers or the eighteen Swordfish class destroyers.

On November 12th 1897, the survey ship HMS Sybille entered the Babylon system to conduct gravitational and geological surveys. The system, six transits from Earth and two beyond the Delphi Colony, was discovered two years earlier by HMS Aeolus, but she was at the limit of her endurance and returned to Earth for an overhaul. HMS Sybille took on the mission instead and headed in-system, surveying several asteroids en route. Following standard procedure, she fired an Orpheus active sensor drone at Babylon II, the only planet that appeared to be suitable for a colony. The planet was arid with small seas and had a nitrogen, water vapour and methane atmosphere of 1.9 atm and a surface temperature of 64C, although that would go as high as 145C as the planet’s eccentric orbit moved it closer to the star.

As the drone approached Babylon II, it detected a large fleet from a previously unknown alien race. The four largest ships, designated as Bismarck class, were almost twenty-nine thousand tons, fifty percent larger than the 18,750 Royal Sovereign class battleships. Five more ships, a Beowulf, a Heimdall and three Bluchers, were all in excess of 19,000 tons. They were accompanied by nine smaller ships of five different types, all of which were similar in size to a second class cruiser. In total, the alien fleet was almost three hundred thousand tons, which was almost half the mass of all the warships in the Royal Navy. The drone was destroyed one point five million kilometres from the planet by a small explosion, indicating the aliens had an anti-missile capability similar to the Royal Navy’s Daedalus light missiles.

HMS Sybille was over a billion kilometres from the planet. As the jump point to the adjacent Luxor system was  already stabilised, she sent an urgent contact report to the Admiralty then ran for Luxor. The First Sea Lord, Sir Frederick Richards, who had assumed the position after the tragic, accidental death of his predecessor, ordered the creation of a forward defensive position at the Delphi Colony. Delphi was two jump points from Babylon and astride the only route into the rest of the known space. While the colony only existed due to the business acumen of the White Star Line, it had sufficient manpower to host an initial fourteen maintenance facilities and provided a platform for the rapid development of a naval base. A force of four cruisers, comprising two Diadems, an Astraea and a Gem, was despatched to Delphi as a tripwire force. HMS Sybille was ordered to remain at the Babylon – Luxor jump point as a sensor picket until she could be relieved by a Pelorus third class cruiser.

Given the size of the alien force, the Admiralty had no plans for any aggressive moves into Babylon and hoped to eventually reach an agreement similar to the Acheron Accords. In the meantime though, establishing a strong presence in Delphi was the priority. Once the warship picket arrived in Babylon, permission was given for HMS Sybille to conduct a gravitational survey. Two jumps were discovered on the edge of the system, leading to Naxos, a planetless red dwarf, and Nineveh, which had four planets and a moderate-sized asteroid belt. A geological survey of the latter found two large asteroids, both of which were over a thousand kilometres in diameter, fell within human gravitational tolerance and had large, accessible mineral deposits. The colony costs were 2.69 and 2.00 respectively. Once the situation in Babylon was resolved, they would be ideal locations for mining colonies

Asteroid #2 Survey Report (1080 km diameter – 0.127G)
Duranium:   451,630   0.90
Neutronium:   1,866   0.90
Corbomite:   37,791   0.80
Tritanium:   268,739   0.80
Boronide:   16,796   0.90
Vendarite:   134,836   0.90
Corundium:   14,113   0.80
Gallicite:   10,527   0.80

Asteroid #53 Survey Report (1018 km diameter – 0.12G)
Duranium:   283,746   0.90
Neutronium:   116,301   0.80
Corbomite:   209,856   0.80
Tritanium:   169,983   0.80
Boronide:   8,394   0.90
Mercassium:   23,317   0.90
Vendarite:   5,829   0.80
Sorium:   4,378   0.90
Uridium:   248,821   0.80
Corundium:   9,353   0.90
Gallicite:   18,887   1.00

Ten months after the events in Babylon, a Moskva class Corsair ship was detected less than fifty million kilometres from the Darwin colony. There had been no contact with the Corsairs for almost seven years, so even at the Admiralty a degree of complacency had set in regarding their potential return, which explained why a colony of twelve million in a key transit system had no standing naval force. The only military force in the system comprised two Royal Artillery batteries on the surface. Three freighters of the White Star Line were in orbit, unloading their cargo of infrastructure and a fourth was close to the Sol jump point. Ten Atlas class freighters of the Royal Fleet Auxiliary were passing through the system, bound for the Alexandria colony with a cargo of twenty automated mines. Sentinel sensor outposts  were stationed at all three jump points in Darwin’s Star, so the Admiralty was starting to believe the Corsairs used some alternate method of travel between systems.

Twelve Swordfish class destroyers, short-ranged but capable of 8000 km/s, were dispatched from Earth, followed by a cruiser squadron comprising the first class cruisers HMS Diadem and HMS Ariadne and the Eclipse second class cruiser Diana. The Moskva headed straight for the three civilian freighters in orbit of the Darwin Colony. The two Royal Artillery batteries begin tracking the Corsair ship as it entered their active sensor range. The twelve 8-inch ground-based lasers fired without success at 315,000 km and again at 247,000 km before finally registering five strength-2 hits at 188,000 km. The Corsair fired on the freighters from 159,000 km, scoring three strength-1 hits, and continued closing, apparently focused on the soft targets.

The Corsair suffered further armour damage at 114,000 km, then returned fire at 92,000 km, inflicting six hits on a freighter, one of which penetrated the armour without causing internal damage. At fifty thousand kilometres the alien ship was devastated by ten strength-8 hits from the 8-inch lasers of the Royal Artillery. The Corsair ceased all movement and its railguns fell silent. Fifteen seconds later a follow-up volley blew it to pieces. Apparently, the aliens had badly under-estimated the effectiveness of the surface-to-orbit weapons at close range. Even so, the Admiralty ordered the three cruisers heading to the system to take up station in orbit of the Darwin colony. Over the next few weeks, maintenance facilities were transported to the colony and an Astraea second class cruiser was assigned to the Darwin squadron to provide missile defence.

In October 1898, a small colony was established on the first planet of the Jericho system, five jumps outward from the Corinth colony. The planet was home to an alien construct, similar to that in the Achaea system but apparently a more primitive version intended to boost research into construction technologies. The xenoarchaeology expedition that surveyed the construct believed it would add as much as thirty percent to the effectiveness of research conducted at the colony. That was unlikely to be any time soon as the focus of the Royal Fleet Auxiliary was in building up the mining colony in Alexandria and the naval base in Delphi.

Exploration continued on the frontiers of the Empire. Of particular interest was the area around Cyrene, a planetless M3-V dwarf star four transits out from Alexandria, via Delta Carinae, Sigma Draconis and Tarsus. Cyrene had five outward jump points, leading to several interesting systems. The outermost jump point led to Carthage, which had only three planets, but two of those had significant, accessible mineral deposits. Both were barren worlds, without air or water, but relatively small – 5400 km and 3600 km in diameter – allowing for relatively fast terraforming. A moon in the Zeta Doradus system had seven million tons of accessibility 0.7 Duranium, plus large accessible deposits of nine other minerals. A dormant construct was found in Memphis. The only system adjacent to Cyrene of no immediate interest was the planetless Iota Doradus, which left Byzantium, a system with a young, G5-V primary and ten planets, three of which were colony cost 2.00. HMS Spartan was assigned to conduct a geological survey.

Carthage-A I Survey Report
Duranium:   285,768   1.00
Tritanium:   352,836   0.40
Vendarite:   5,517,801   0.50
Corundium:   3,992,004   0.10
Gallicite:   2,537,649   0.90

Carthage-A II Survey Report
Duranium:   3,453,192   0.60
Neutronium:   331,776   0.80
Corbomite:   2,125,764   0.60
Tritanium:   2,802,276   1.00
Boronide:   352,836   0.20
Mercassium:   236,196   0.40
Vendarite:   1,871,424   0.90
Sorium:   26,244   0.80
Uridium:   1,411,344   0.20
Corundium:   11,664   0.20
Gallicite:   352,836   1.00

Zeta Doradus-A V - Moon 15 Survey Report
Duranium:   7,038,752   0.70
Neutronium:   1,073,296   1.00
Corbomite:   3,013,696   0.30
Tritanium:   7,840,000   0.60
Boronide:   112,896   1.00
Mercassium:   451,584   0.10
Sorium:   1,449,616   0.10
Uridium:   571,536   1.00
Corundium:   132,496   0.80
Gallicite:   1,658,944   0.70

By March 1899, HMS Spartan was overdue so the jump tender RFA Tanagra, already in the area to support tugs moving terraforming stations to a new colony in the nearby Gamma Carinae system, jumped into Byzantium to check on the survey cruiser. There was no sign of the ship so RFA Tanagra sent an urgent update to the Admiralty. A squadron of six cruisers was dispatched from Sol on the forty day journey to Byzantium, including a refuelling stop in Alexandria.

Byzantium Squadron
Blake class First Class Cruiser: Blenheim
Diadem II class First Class Cruiser: Edgar, Europa
Eclipse class Second Class Cruiser: Eclipse
Astraea II class Second Class Cruiser: Flora
Gem II-B class Third Class Cruiser: Amethyst

The squadron arrived in Byzantium on May 2nd 1899. The jump cruiser HMS Blenheim remained at the jump point while the other five ships conducted a sweep of the inner system. Two hundred and fifty million kilometres from the jump point, they detected emissions from a single contact, designated as Roma class, from a previously unknown alien race. The Roma was moving toward the Royal Navy cruisers at 6338 km/s. Commander Ewan Hamilton, senior officer of the squadron, ordered the five ships to begin pulling back to the jump point. The alien vessel, eighty million kilometres away, set an intercept course.

When the alien ship moved within active sensor range, a further six ships were detected. The Roma itself was a massive 64,310 tons, well over three times the size of the Royal Sovereign class battleships and more than double the size of the two 28,125-ton Formidable class battleships that were under construction. It was accompanied by three 21,455-ton Venezia class, assumed to be smaller battleships, and four cruiser-sized Ancona class. The total alien tonnage was 170,000 and they appeared to have far superior engine technology.

Seventy minutes later, sensor emissions from a further four contacts were detected, designated as Stromboli class. They were on different bearing at a similar distance, but moving at 9708 km/s. Rather than close in alone, the Strombolis moved to the largest ships and approached from the same direction at a similar speed. The situation deteriorated even further when a new formation of three Venezia class battleships and three Ancona class cruisers appeared at the edge of sensor range. Alien forces were converging on the cruiser squadron from multiple directions. Given the disappearance of HMS Spartan, the aggressive movements of the large alien fleets, and the lack of response to hails, Commander Hamilton requested position from the Admiralty to treat the alien forces as hostile. The request was relayed via HMS Blake on the jump point, as the adjacent Cyrene system was on the stable jump network.

The government of Lord Salisbury, once again in 10 Downing Street after the administrations of Gladstone and Lord Rosebery, was loathe to begun a major conflict with an alien race of unknown size and capability, especially with the unresolved situation in Babylon. The First Space Lord, Sir Frederick Richards, was equally loathe to allow Royal Navy ships to stand defenceless and wait to be fired upon. The unknown fate of HMS Spartan was the deciding factor and Lord Salisbury gave Sir Frederick permission to set whatever rules of engagement he deemed appropriate. Commander Hamilton was ordered to fire single a missile volley if the aliens moved within ten million kilometres. If the aliens did not cease pursuit, he was ordered to use all means necessary to preserve his force.
The Academy / Re: Save Files or Exporting Ground Troops
« Last post by Kelewan on Today at 05:32:31 AM »
You can use "Iceranger's Missile and Ship Optimizer" to import Ships from a Game/Database and show the component list and other details to recreate them.
General C# Fiction / Re: Third Terran Imperium
« Last post by ExChairman on Today at 03:31:42 AM »
1st January 1750, Terra: The first orders go out to the empire.

High King Carl XII appoints Isabelle Gustafsson as civilian leader of Terra, he still retains his power over the military.

Construction: Takes from 10 years to almost 60 to complete but will get faster as more factories comes online.

•   250 construction factories using 72% of available production capacity.
•   10 Research facilities using 10% of available production capacity.
•   8 New military academies using 10% of available production capacity.
•   50 Maintenance facilities using 5% of available production capacity.
•   50 Financial centres using 3% of available production capacity.

We restart all shipyards, it is expected to be in use by the end of 1750, the first ships planned is civilians, freighter, colony ships and a survey ship. But also, a frigate as system defence.

Research: We will concentrate on power research, the capable scientist Ylva Limell is given 10 centres to try and get the Ion engines as fast as possible.
A survey drone is also under development, this will hopefully be ready in a few weeks, but fire control and a launcher are needed to. But we need to send a drone to Mars and see what’s happening with the colony there, its an untried approach but the King wants desperately the info.
But after a few days, a new company, Bassani Aero Engines, puts a proposal to the King, a small ship, less than 250 tons could be built, with the small fighter factories sitting idle, not more than 10 men and e few months of deployment time, it will not be fast, but a ship that can travel to Mars and back with the information, the King agrees and the small ship is planned.
By late mars, the last component to build the small ship Searcher is produced.

Searcher class Scout      233 tons       9 Crew       46 BP       TCS 5    TH 5    EM 0
1077 km/s      Armour 1-3       Shields 0-0       HTK 3      Sensors 0/0/0/0      DCR 0      PPV 0
Maint Life 9.17 Years     MSP 12    AFR 4%    IFR 0.1%    1YR 0    5YR 4    Max Repair 20 MSP
Örlogskapten    Control Rating 1   BRG   
Intended Deployment Time: 3 months    Morale Check Required   

Bassani Aero Engines Nuclear Thermal Engine  EP5.00 (1)    Power 5.0    Fuel Use 189.74%    Signature 5.00    Explosion 10%
Fuel Capacity 20 000 Litres    Range 8.2 billion km (87 days at full power)

Tuominen-Hirvonen Active Search Sensor AS20-R100 (1)     GPS 1200     Range 20.3m km    Resolution 100

It will take ca 2 months to build it in the available fighter factories on Terra.
By late April, the Kings financial advisers reports that the Empire is in danger of bankruptcy, in less than 6 months we will have used all we have, the army is eating us out of the house and we need to downsize it. The plans are to disband 2 garrison brigades, South Europe and south Asia and see what that does to the treasury.

15 June, 18.00, Terra the Searcher is built and launched into orbit, Commander Lydia Laugel is given command and after 6 hours of test it puts it nose towards Mars, or where it will bee when they arrive, in less than 24 hours.

16th June, 14.00, Near Mars Contact! Sir I see ships on the sensors, they seems to be in a heap... No that cant bee right...

16th June, 14.00, 3 Mkm from Mars Sir! Its NOT ships in a heap, its several debris fields, what I can see is that every ship has been destroyed

16th June 14.10 2.8 Mkm from Mars Searcher comes to a stop and during 5 hours stands there looking, searching, and then at 19.00 starts mowing in to Mars, seending a message to Earth Fleet HQ, with all information.

16th June Mars Orbit 100 kkm from former Cydonia Fleet anchorage, All ships in Mars orbit seems to have been hit by a shower of meteors, the last clues is the wrecked research station on Mars, the meteors have gone throe the ships and then rained down on the station, the 20 000 workers and scientists are dead. Some seems to have survived a time after the event, what we can find is that its been natural. There seems to be up to 8 or 9 research modules that can be transported back to Terra, when we have that ability, again.

24th June 1750, Terra, Searcher returns to Terra and is mothballed.

22nd August 1750, Terra Ylva Limell is finished with the theory of Improved Nuclear Thermal Engine and starts the research for Pebbel Bed reactors this should be finished by the end of 1750

1st January 1751, Terra Ylva Limill makes the pebbel bed reactor, work, also in theory and starts with Nuclear Pulse Engine Theory.

We also is on red in treasury, someone made an error when sending the order to disband certain units, it seems that only the higher HQs were disbanded while the other units still went on with their daily works, so now we are some 2000 million Riksdaler in deficit... This has now being rectified, but since it now are an emergency, both fuel and maintenance parts have been closed down... We also are trying to increase the taxbase by finding new taxes, and almost terminating the building of research, maintenance and academy building, these are getting 5 of construction capacity each, only to keep it running. Financial centres are up to 25% and should be able to build 7 each year.

1st July 1751, Terra The first space ship is laid down in the orbital shipyards, HMS Discovery is expected to be finished late Mars 1753.

Discovery class Geological Survey Vessel      2 796 tons       61 Crew       450.3 BP       TCS 56    TH 80    EM 0
1430 km/s      Armour 1-17       Shields 0-0       HTK 22      Sensors 5/5/0/3      DCR 22      PPV 0
Maint Life 5.57 Years     MSP 201    AFR 31%    IFR 0.4%    1YR 11    5YR 164    Max Repair 200 MSP
Kommendörkapten    Control Rating 2   BRG   SCI   
Intended Deployment Time: 36 months    Morale Check Required   

Phadke & Shenoy Commercial Improved Nuclear Thermal Engine  EP80.00 (1)    Power 80.0    Fuel Use 6.71%    Signature 80.00    Explosion 5%
Fuel Capacity 370 000 Litres    Range 354.9 billion km (2872 days at full power)

Bourgeois Sensor Systems Thermal Sensor TH1.0-5.0 (1)     Sensitivity 5     Detect Sig Strength 1000:  17.7m km
Chéng Sensor Systems EM Sensor EM1.0-5.0 (1)     Sensitivity 5     Detect Sig Strength 1000:  17.7m km
Advanced Geological Sensors (1)   3 Survey Points Per Hour

1st January 1752, Terra An increase in tax has been implemented, its estimated that this will give some 15% more in income per fiscal year.

1st Mars 1752, Terra A survey Command is formed headed by RADM Oliver Ling, Captain Casper Lundgren is named captain of HMS Discovery, which should bee ready in a forthnight.

1st January 1753, Terra Our income is on plus, barely... Still we are some 4500 million Riksdaler in debt. New cuts are discussed.

14th Mars 1753, Terra, HMS Discovery is being launched, shakedown cruise goes to Luna, and its scientific instruments are fine tuned for the geological survey of Sol system.

Early April 1753, Sol system, HMS Discovery is checking Mars, Venus and Mercury for mineral, all three have some deposit's, Venus more than any planet so far checked

Mars having only having ca.: 4 300 000, acc. 0.90 Duranium



10th May, 1753, Sol system, Sir! there is something odd on the sensors, I am getting a ping of something big, to big for an asteroid, almost a small planet. Captain Lundgren moves next to the sensor operator, saying There is no planets in the asteroid belt, ensign! Yes Sir! ahh no Sir! there is something out there, that shouldn't bee there. 7 hours later they enter a low orbit over the planet, there scanner soon detects some minerals but also structures, built by a unknown species, its covering all of the old surface, giant craters on other parts of the planets reveals a cold interior. Captain Lundgren gives the planet his late wife's maiden name, Ceres and send the information to Fleet HQ on Terra.

Being small, less than a 1000 km in diameter, its perhaps a tenth of a former planet, scientist on Earth is ecstatic, this is proof a an old planet that broke up and formed the asteroid belt,


There is much debate among the surviving "old" scientist about this, is it time travel or are we in a alternate universe. The debate rages on for years...

During the next year, HMS Discovery is moving around the planets and moons of Sol System, finding a few sites were there is minerals to be mined, the best one is Venus.

1st August 1755, Terra the first 2 freighters are built and starts a new colony at Mars, transferring infrastructures to Mars and tries to reclaim several research stations.

Freighter Type 1 class Freighter      39 901 tons       171 Crew       484 BP       TCS 798    TH 500    EM 0
626 km/s      Armour 1-104       Shields 0-0       HTK 54      Sensors 0/0/0/0      DCR 1      PPV 0
MSP 7    Max Repair 50 MSP
Cargo 25 000    Cargo Shuttle Multiplier 12   
Örlogskapten    Control Rating 1   BRG   
Intended Deployment Time: 3 months   

Alten Engines Limited Commercial Nuclear Thermal Engine  EP62.5 ( 8 )    Power 500.0    Fuel Use 6.71%    Signature 62.5    Explosion 5%
Fuel Capacity 250 000 Litres    Range 16.8 billion km (310 days at full power)

1st September 1755, Terra, Our debt has at last started to fall and was under 4000 million Riksdaler, slowly gaining income

22 September 1755, Mercury The first civilian enterprise stats up at Mercury, the mining colony is sponsored by Willis Mineral Group.

13th June 1757, Terra The first colony ship is launched, the type 1 ship is given the unofficial name of Mayflower.

Colony Type 1 class Colony Ship      39 512 tons       256 Crew       1 437.3 BP       TCS 790    TH 500    EM 0
632 km/s      Armour 1-103       Shields 0-0       HTK 65      Sensors 0/0/0/0      DCR 1      PPV 0
MSP 22    Max Repair 100 MSP
Cryogenic Berths 100 000    Cargo Shuttle Multiplier 10   
Örlogskapten    Control Rating 1   BRG   
Intended Deployment Time: 3 months   

Alten Engines Limited Commercial Nuclear Thermal Engine  EP62.5 ( 8 )    Power 500.0    Fuel Use 6.71%    Signature 62.5    Explosion 5%
Fuel Capacity 250 000 Litres    Range 17 billion km (310 days at full power)

1st July 1757, Terra Debt is under 2800 million Riksdaler.

1st November 1757, Terra Ylva Limell manages to make a small working Ion engine protype, scaling up to a military and commercial design starts immediately.

13th November 1757, Terra Carl XII dies during his sleep of natural causes.

24th December 1757, Terra Carl XIII is crowned, High King of Terra and Emperor of the settled planets.

1st January, 1758, Ceres A research base is established on Ceres to try and find clues to its old inhabitants. ( Not having any troop transport capability, I am roleplaying it a bit, sending 18 infrastructures, equipment's and a few scientist in cryo there. )

Xeno Research base
Transport Size (tons) 218     Cost 8.72     Armour 8     Hit Points 16
Annual Maintenance Cost 1.1     Resupply Cost 0
Xenoarchaeology Equipment:      Xenoarchaeology Points 0.5
Xenoarchaeology Equipment:      Xenoarchaeology Points 0.5
Non-Combat Class

13th December 1759, Terra A crowd of a million are led by High King Carl XIII, greeting the HMS Discovery crew as they return to Terra after almost 6 years in the SOL system, their picture of the planets, moons, asteroids and of course the Ceres find has given us much you and much to debate over. The ship is in dire need of a lot of TLC and possible an upgrade to the new ION engines.

20th December, 1759, Mars The first new colonist arrive, building a new colony site, a mile away from the research base, several mines also starts to arrive and in a few years the first construction factories will also be sent. Fátima Miranda is given the job of governor for the small colony.

24th December 1759, Terra In china a baby girl is born, officially number 2 000 000 000 of the human race, she is given the name Li Wang

31st December 1759, Terra New years night and with a decade of progress the human race is back into space, there is still much to do.

General Discussion / Re: errormessages
« Last post by roug on Today at 02:44:28 AM »
Thanks for all answers! I did not do anything, i just installed windows 11, and then i downloaded and unziped Aurora4X i have also changed from , to . in system/ language, nothing else is changed, i get the error messages when i start Aurora.
General Discussion / Re: Questions Not Worth Their Own Thread: C# Edition
« Last post by ranger044 on Yesterday at 11:51:02 PM »
Ahhhhh. I feel really dumb now for overlooking that  :-\  ;D

Thanks! Time to re do the last few months of combat  ;D
I'm not sure where to ask this so let me know if this is a bad place.

I'm currently trying to invade a precursor world, but my ground forces don't seem to want to attack anything. They out-tech me, so large losses are expected, but I'm not even targeting them. I have several formations set to Frontline attack, with supporting artillery attached and in support position, and around 400 fighters attached with room for hundreds more. The fighters all have autocannons and a fire control (not sure if that's necessary for auto cannons), in addition I have 200 more fighters set to search and destroy with bombardment pods and missile fire controls. After 5 combat phases, I literally targeted nothing and suffered a LOT of casualties.

Anyone have any ideas as to why this is happening?

Make sure the enemy race is set as Hostile (in the Intel window).

Make sure you have an active sensor contact with the enemy ground forces. I'm not sure this is necessary but it might be.
General Discussion / Re: Questions Not Worth Their Own Thread: C# Edition
« Last post by ranger044 on Yesterday at 10:54:26 PM »
I'm not sure where to ask this so let me know if this is a bad place.

I'm currently trying to invade a precursor world, but my ground forces don't seem to want to attack anything. They out-tech me, so large losses are expected, but I'm not even targeting them. I have several formations set to Frontline attack, with supporting artillery attached and in support position, and around 400 fighters attached with room for hundreds more. The fighters all have autocannons and a fire control (not sure if that's necessary for auto cannons), in addition I have 200 more fighters set to search and destroy with bombardment pods and missile fire controls. After 5 combat phases, I literally targeted nothing and suffered a LOT of casualties.

Anyone have any ideas as to why this is happening?
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