New ship I've designed for my novel

[rKlehm]

I've designed this ship for my novel. It is one of the ships of the bad guys, if you are interested, you can find more on my ArtStation

 

[RepresentingWrath]

 

[DeepWater]

Why is it a square?

 

[Puji-Maki]

Nice.

 

[melchi]

I thought this was a post about two characters that ship together.

 

[Assurbanipal_II]

I've designed this ship for my novel. It is one of the ships of the bad guys, if you are interested, you can find more on my ArtStation

Great work.

 

[Empress_Omnii]

It's cool, but how agile can it really be with just two thrusters on the back? Seems fast, but only in one direction, so more like a bull.

 

[FluffyGura]

It's look like a hot dog bun.

 

[rKlehm]

Why is it a square?

Why not? lol
It is a utilitarian design. Easily manufactured and mass produced. Also, there is no need for aerodynamics in space

Nice.

Thanks!

I thought this was a post about two characters that ship together.

Sorry lol

Great work.

Thanks!

It's cool, but how agile can it really be with just two thrusters on the back? Seems fast, but only in one direction, so more like a bull.

Actually, all of those round ports at the ends of the side tanks are part of the Reaction Control System (RCS). They are small chemical rocket engines used for maneuvering. But you are right, my space fights looks more like a medieval joust than a WWII dogfight. Both sides start firing at each other waaaaaaaaaaay before the enemy ship is visible to the naked eye.

It's look like a hot dog bun.

 

[Assurbanipal_II]

Why not? lol
It is a utilitarian design. Easily manufactured and mass produced. Also, there is no need for aerodynamics in space


Thanks!


Sorry lol


Thanks!


Actually, all of those round ports at the ends of the side tanks are part of the Reaction Control System (RCS). They are small chemical rocket engines used for maneuvering. But you are right, my space fights looks more like a medieval joust than a WWII dogfight. Both sides start firing at each other waaaaaaaaaaay before the enemy ship is visible to the naked eye.

What about triangular shapes for shippie?

 

[LilRora]

Overall the design's pretty good. Bonus point for bidirectional design, though I have doubts about the price of full-sized engines on both sides. However, I have two issues with the design.

One, coilcannon. If it resembles a real coilgun in any way, it cannot fire depleted uranium as it needs ferromagnetic or conducting ammunition. Two materials by far most suitable for that are iron and cobalt, but cobalt is much more rare.

Two, this is a bit of a nitpick, but that exhaust just bugs me. It's way too wide, and I'm not certain how exactly the calculations work there, but it may cause significant energy loss, up to even ~10%.

Other than that, your descriptions could be more detailed.

 

[rKlehm]

What about triangular shapes for shippie?

I might work with that in a future ship.

Overall the design's pretty good. Bonus point for bidirectional design, though I have doubts about the price of full-sized engines on both sides. However, I have two issues with the design.

One, coilcannon. If it resembles a real coilgun in any way, it cannot fire depleted uranium as it needs ferromagnetic or conducting ammunition. Two materials by far most suitable for that are iron and cobalt, but cobalt is much more rare.

Two, this is a bit of a nitpick, but that exhaust just bugs me. It's way too wide, and I'm not certain how exactly the calculations work there, but it may cause significant energy loss, up to even ~10%.

Other than that, your descriptions could be more detailed.

Regarding the coilgun: yes, it functions as a real-life coilgun would. It uses a ferromagnetic sabot with a depleted uranium payload. If my calculations are correct, the sabot should vaporize and disintegrate due to the induced currents. but I'm hand-waving that detail lol

As for the engines, you're absolutely right. This is a VASIMR engine. When running in high-efficiency mode, the plume is fast and clean. In contrast, when operating in high-thrust mode with an LOX afterburner, it produces a slower, messier plume.

 

[Assurbanipal_II]

I might work with that in a future ship.


Regarding the coilgun: yes, it functions as a real-life coilgun would. It uses a ferromagnetic sabot with a depleted uranium payload. If my calculations are correct, the sabot should vaporize and disintegrate due to the induced currents. but I'm hand-waving that detail lol

As for the engines, you're absolutely right. This is a VASIMR engine. When running in high-efficiency mode, the plume is fast and clean. In contrast, when operating in high-thrust mode with an LOX afterburner, it produces a slower, messier plume.

Why depleted uranium and not tungsten?

 

[LilRora]

Regarding the coilgun: yes, it functions as a real-life coilgun would. It uses a ferromagnetic sabot with a depleted uranium payload. If my calculations are correct, the sabot should vaporize and disintegrate due to the induced currents. but I'm hand-waving that detail lol

Okay, that's impossible though. Iron stops being a ferromagnetic at about a thousand degrees Celcius iirc, so you can't really heat it further with the magnetic field produced by the coils.

The hardness of the projectile is virtually irrelevant at the velcities it would reach, so it should be far more effective if you replaced that subcaliber uranium core with a larger pure iron projectile. Even if it turns into molten slag, the sheer kinetic energy should be enough to tear through any conventional armor, and you won't have nonmagnetic payload to slow down the projectile, which is a huge factor in space.

Not sure how exactly they would compare on impact since I'm not even sure how to do that other than through experiments, but as far as I know your solution is far less energy-efficient.

 

[rKlehm]

Why depleted uranium and not tungsten?

Okay, that's impossible though. Iron stops being a ferromagnetic at about a thousand degrees Celcius iirc, so you can't really heat it further with the magnetic field produced by the coils.

The hardness of the projectile is virtually irrelevant at the velcities it would reach, so it should be far more effective if you replaced that subcaliber uranium core with a larger pure iron projectile. Even if it turns into molten slag, the sheer kinetic energy should be enough to tear through any conventional armor, and you won't have nonmagnetic payload to slow down the projectile, which is a huge factor in space.

Not sure how exactly they would compare on impact since I'm not even sure how to do that other than through experiments, but as far as I know your solution is far less energy-efficient.

Initially I picked depleted uranium because of hardness and density, but I will probably have to rethink that choice. Thanks for the inputs!
Luckily this fact didn't showed up in the story yet

 

[Thorkell_40k]

amazing~

 

[Nevafrost]

I thought this was a post about two characters that ship together.

I also thought that when I saw the title

 

[Assurbanipal_II]

Initially I picked depleted uranium because of hardness and density, but I will probably have to rethink that choice. Thanks for the inputs!
Luckily this fact didn't showed up in the story yet

Hardness and density? The latter I understand. The former not.

Time for some ballistics.

In terms of ballistics, DU is that it is a relatively brittle material when it comes to higher velocities, which usually isn't that relevant. But it is the moment you exceeded a certain threshold. The moment you exceed 1600m/s DU penetrators will actually experience decreased penetration performance due to their "softness" and material loss. DU penetrators are unable to maintain their shape upon impact and deform, which means they peak at lower velocities.

That is not the case for tungsten alloys. They are more durable, and thus able to withstand higher velocities and thus have a higher peak before the same effect takes place. It is one of the reason why hardness and not just mass matter.

That aside, the loss of penetration at hypervelocities is a very well observable phenomenon. As counterintuitive as it might seem, lower velocities might get you actually better results.

That asi

 

[rKlehm]

Hardness and density? The latter I understand. The former not.

Time for some ballistics.

In terms of ballistics, DU is that it is a relatively brittle material when it comes to higher velocities, which usually isn't that relevant. But it is the moment you exceeded a certain threshold. The moment you exceed 1600m/s DU penetrators will actually experience decreased penetration performance due to their "softness" and material loss. DU penetrators are unable to maintain their shape upon impact and deform, which means they peak at lower velocities.

That is not the case for tungsten alloys. They are more durable, and thus able to withstand higher velocities and thus have a higher peak before the same effect takes place. It is one of the reason why hardness and not just mass matter.

View attachment 32629

That aside, the loss of penetration at hypervelocities is a very well observable phenomenon. As counterintuitive as it might seem, lower velocities might get you actually better results.

View attachment 32630That asi

Amazing!
Thanks, I really enjoy this kind of exchange.

 

[Iloveshovels]

Honest needs shovels