Children of a Dead Earth

Children of a Dead Earth

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FMRN Supercarrier
   
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2017 年 8 月 22 日 下午 1:40
2017 年 11 月 22 日 上午 8:29
5 項更新註記 (檢視)

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FMRN Supercarrier

描述
A supercarrier class vessel designed by the FMRN, this ship comes standard with a compliment of 500 drones and 200 missiles.

Length: 365m
Cross Section: 10300m2
Delta-v: 13.9km/s
Acceleration: .517g

Armament:
4x300MW decoys
4xArmadyne GM1-2 Harpoon missile launchers
8xArmadyne UWS Type 1-2/experimental drone launchers
15x38mm Armadyne KX3-1 point defense guns
6x30MW NUV Laser (12 turret mounts)
6x45MW Armadyne FX1 flak munition railguns

Armor Composition:
1cm Boron Filament
20cm Graphite Aerogel
2.5mm Tin
20cm Graphite Aerogel
2.5mm Tin
20cm Graphite Aerogel
2.5mm Tin
5mm Polytetrafluoroethylene
Assorted Titanium Nitride Trim (aesthetic only)
Powerplants:
6x101MW Reactors
2x17.5kW RTGs (backup)
Propulsion: 4x6.19km/s Schmidt und Muller Type 5-4 Drives
Crew: 129
Heat Emissions (at full power): 22.8GW - 23GW
Mass: 46.9kt
Cost: 112Mc
5 則留言
gurp 2017 年 12 月 11 日 上午 3:30 
(previous post continued, due to character cap.)

Your launchers use heavy water as coolant, which can be replaced with sodium for increased launch speed or hydrogen for reduced mass.

Your 300 MW lasers efficiency can be improved by 1% using SIlver Gallium Selenide for both doublers and by increasing the semi-minor axis of the cavity. Additionally, hydrogen is the best cavity coolant due to its low mass and 100% transparency.

Your RTGs use Promethium-147 which is inferior to Polonium-210. The reduced cost of the fuel overcomes the increased radiator mass.

Your missile has a flat nose, which significantly reduces its durability. Additionally, one of its flak bombs uses octogen, which provides no benifit over nitrocellulose in flak bombs.

The NTRs on both the drone and missile are un-gimballed, which will result in large ammounts of fuel being wasted while manuvering.


You seem relativly new here, so I hope this helps.
gurp 2017 年 12 月 11 日 上午 3:30 
This ship has two major issues.

First, it has a poor internal layout. Thinner modules should always go before wider ones. In the current build of the ship, a significant ammount of space is wasted near the 45 man crew modules.

Second, it has far too much fuel. You can remove 20 thousand tons of fuel while only losing 1.6 km/s of Delta-V.


I can also suggest some improvemnts to your modules

The railguns are highly inefficient. By switching to hafina capacitors you can improve it by ~20%.

The methane NTRs can have their exhaust velocity increased by 330 m/s by switching the control rods to Hafinum Carbide. Additionally, you can make slight mass savings by switching its reaction wheel to using magnesium.

Your chemical guns use VCS, which is can be replaced with diamond for less mass and cost.
Simping4Jesus 2017 年 12 月 9 日 下午 5:13 
Nice idea for the armour. I hadn't really thought of putting laser armour over the whipple shield. I'd personally make the stuffing much thicker and replace the tin bumpers after the whipple with spider silk or boron filament. Having 1+ meters of stuffing does wonders for survivability, and after the outer bumper you need a material that can stop or slow down fragments before they tear through more of your precious aerogel. If you don't care about costs (and you shouldn't at that size, mass is really the limiting factor for most designs) you can replace the second bumper with aramid fiber. The heat-resistance helps stop the plasma which can burn through stuff like spider silk. You can also add a few meters of empty spacing after the whipple to allow the plasma to disperse without paying a fortune in aerogel.
Cpt. Spooky  [作者] 2017 年 11 月 22 日 上午 8:38 
Description has been added.
ImpressiveMediocrity 2017 年 11 月 22 日 上午 7:01 
write a description please