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Why do the ships have a max speed

Author
Davey Talvanen
Kingsparrow Wormhole Division
Birds of Prey.
#1 - 2014-10-16 18:06:20 UTC
According to physics I should be able to reach C (speed of light) in any ship yet a max speed is imposed
Rems Issus
Associated Descendants of Eve
#2 - 2014-10-16 20:04:57 UTC  |  Edited by: Rems Issus
You could, yes. But ask yourself; Can your ship survive the forces at work beyond those given limits? Can any of these hulls survive an amount of speed that high without buckling, sans warp field? Can your engines give you enough output to get you there while remaining intact? Think of the top speed as being how fast a given ship can be moving without damaging itself- At least that's always what I have assumed it was intended to represent.

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Ibrahim Tash-Murkon
Itsukame-Zainou Hyperspatial Inquiries Ltd.
Arataka Research Consortium
#3 - 2014-10-16 21:56:50 UTC
As I understand it the explanation is that warp drives, even when not in use, create a "drag" on spacetime which acts very much like friction as if ships are surrounded in a fluid. Hence, submarines in space.

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Tavin Aikisen
Phoenix Naval Operations
Phoenix Naval Systems
#4 - 2014-10-16 21:57:46 UTC
Rems Issus wrote:
You could, yes. But ask yourself; Can your ship survive the forces at work beyond those given limits? Can any of these hulls survive an amount of speed that high without buckling, sans warp field? Can your engines give you enough output to get you there while remaining intact? Think of the top speed as being how fast a given ship can be moving without damaging itself- At least that's always what I have assumed it was intended to represent.


Agreed. It's not the maximum capable velocity. It's simply the best maximum operating velocity. It's going to be very difficult to maneuver above those speeds or more importantly, slow down. No point accelerating "forever" only to spend "forever" slowing down...

In addition, as you approach light speeds, your mass approaches infinity (depending on which physical laws you're referring too).

"Remember this. Trust your eyes, you will kill each other. Trust your veins, you can all go home."

-Cold Wind

Horus Taber
Royal Amarr Institute
Amarr Empire
#5 - 2014-10-17 01:51:52 UTC  |  Edited by: Horus Taber
Not sure if we are talking speeds other than warp or just the ship's maximum speed in general but technically every ship in EvE is capable of breaking the laws of physics already being capable traveling hundreds of times faster than the speed of light. Here is an example with an Amarr shuttle...

The Maximum warp of this shuttle without any modifications is 5.0 Au/s.

Now for those who do not know this I will explain a bit about an Au:
An Au is the Astronomical Unit of measure being that of the distance between the earth and the sun and measures 149,597,871 kilometers.

The speed of light or C in mathematical terms is 299,792.458 kilometers / second

Now that we have our variables listed, we now know that the Amarr shuttle in question has a max warp speed of
747,989,355 Km/s and when you divide this by the speed of light (C), we find that the ship is capable of traveling at 2,495x the speed of light.


Now there are a couple of theoretical explanations for this being possible in the EvE universe, the most plausible and one that could still lead to physics not being completely broken based on our current understanding of it, would be that of our ships being capable of producing their own wormholes to traverse the vast distances needed. The other would be that of utilizing the anatomy of what is currently a theoretical particle called a tachyon, which is able to create a field of -mass or "imaginary mass" which thus makes it able to increase velocity while decreasing its energy need. This phenomenon would allow for faster than light travel.

Both are of course theoretical in quantum physics. But just try to imagine such a speed. To travel that much faster than the speed of light you would only be able to view your past self until the ship came to a stop since your "present" self cannot be seen.

I look forward to seeing where this post may lead in this discussion :-)
Davey Talvanen
Kingsparrow Wormhole Division
Birds of Prey.
#6 - 2014-10-17 06:11:32 UTC
Rems Issus wrote:
You could, yes. But ask yourself; Can your ship survive the forces at work beyond those given limits? Can any of these hulls survive an amount of speed that high without buckling, sans warp field? Can your engines give you enough output to get you there while remaining intact? Think of the top speed as being how fast a given ship can be moving without damaging itself- At least that's always what I have assumed it was intended to represent.


Speed itself does not exert forces only acceleration does so we need to look at maximum acceleration in m/s/s for speed stats. For examle : My badger is capable of 94 m/s of speed but should be capable of 100000 m/s of speed. And also why do the engines run constantly when they should just burn once and then shut off
Tavin Aikisen
Phoenix Naval Operations
Phoenix Naval Systems
#7 - 2014-10-17 11:59:14 UTC
Davey Talvanen wrote:
[quote=Rems Issus] but should be capable of 100000 m/s of speed.


How do you gather that?

Quote:
And also why do the engines run constantly when they should just burn once and then shut off


A combination of artistic license and the "drag effect" that was mentioned earlier (which is in the old scientific lore articles). But you are correct in that regard.

"Remember this. Trust your eyes, you will kill each other. Trust your veins, you can all go home."

-Cold Wind

Davey Talvanen
Kingsparrow Wormhole Division
Birds of Prey.
#8 - 2014-10-17 18:18:31 UTC
Tavin Aikisen wrote:
Davey Talvanen wrote:
[quote=Rems Issus] but should be capable of 100000 m/s of speed.


How do you gather that?


Any ship accelerating at 1 m/s/s can hit 100000 m/s after 100,000 seconds

Owen Levanth
Sagittarius Unlimited Exploration
#9 - 2014-10-18 11:33:08 UTC
Davey Talvanen wrote:
Rems Issus wrote:
You could, yes. But ask yourself; Can your ship survive the forces at work beyond those given limits? Can any of these hulls survive an amount of speed that high without buckling, sans warp field? Can your engines give you enough output to get you there while remaining intact? Think of the top speed as being how fast a given ship can be moving without damaging itself- At least that's always what I have assumed it was intended to represent.


Speed itself does not exert forces only acceleration does so we need to look at maximum acceleration in m/s/s for speed stats. For examle : My badger is capable of 94 m/s of speed but should be capable of 100000 m/s of speed. And also why do the engines run constantly when they should just burn once and then shut off


The engines aren't burning constantly. Every time you change direction, they go out while you're ship repositions itself, then they fire up again. Also notice how your speed drops while this happens. There's a lot of resistance there, almost as if space was fluid or something.

My favourite explanation is still that New Eden is in a part of space where dust density is incredibly high, making space work like a fluid because of all that friction.P
Esna Pitoojee
Societas Imperialis Sceptri Coronaeque
Khimi Harar
#10 - 2014-10-19 01:32:58 UTC
Ibrahim Tash-Murkon wrote:
As I understand it the explanation is that warp drives, even when not in use, create a "drag" on spacetime which acts very much like friction as if ships are surrounded in a fluid. Hence, submarines in space.


This has been the "fanon" explanation for a long time due to the lack of any solid canon explanation.

- An on-line warp drive creates "drag" on a ship using one. Warp drives are online (though not active) whenever you are logged on and in space with it.
- Shutting down a warp drive is a time-consuming process, especially after combat. This is why ships take time to vanish from space, unless we go through the shutdown process before logging on.
- Just cutting off the power to a warp drive without properly shutting it down causes a catastrophic explosion which destroys the ship it is on.
Luna Lapointe
Ministry of War
Amarr Empire
#11 - 2014-10-23 04:42:09 UTC  |  Edited by: Luna Lapointe
Davey Talvanen wrote:
According to physics I should be able to reach C (speed of light) in any ship yet a max speed is imposed



Oh lord....

"According to physics" was a terrible phrase to open with.

No, you can not reach the speed of light through ordinary acceleration alone. That would require an infinite amount of energy, not to mention the relativistic effects (you can't have any particle with mass moving at the speed of light, since it's relativistic mass would then be infinite as well)


Warp drive drag and inertia dampeners very nicely explain the submarine-like flight of ships in EVE.

All of this is of course moot when you consider warp speeds in EVE make light seem like a two-legged horse at the Kentucky derby.
Bastion Arzi
Ministry of War
Amarr Empire
#12 - 2014-10-27 14:47:21 UTC
why according to physics should u be able to reach near relativistic speeds again?
Enya Sparhawk
Black Tea and Talons
#13 - 2014-10-28 01:06:31 UTC  |  Edited by: Enya Sparhawk
According to physics???

What are you a 'caveman'?


Owen Levanth wrote:
My favourite explanation is still that New Eden is in a part of space where dust density is incredibly high, making space work like a fluid because of all that friction.


I think you greatly undestimate the phenomenal amount of various forces at play in any given solar system...

Luna Lapointe wrote:
No, you can not reach the speed of light through ordinary acceleration alone. That would require an infinite amount of energy, not to mention the relativistic effects (you can't have any particle with mass moving at the speed of light, since it's relativistic mass would then be infinite as well)


Luna makes a good point here... except that I'm going to add two ideas to it:
1. What is ordinary acceleration? (I speculate that this would be anything 'natural' in the universe; hence the constant 'C'. Don't even get me started on dark energy and folding space between two distant points.)
2. That it wouldn't require an infinite amount of energy; you would just have to become energy (mass would adjust accordingly).
Essentially, you would try to maximize the effects of a culmination of energy forms (resonances) over just an infinite amount of one or one at a time...

Also, If you didn't have the drag from warp drive then you wouldn't have the warp... the two go hand in hand with the one being a necessity for the other (take your pick)...

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Dradis Aulmais
Center for Advanced Studies
Gallente Federation
#14 - 2014-11-06 01:48:13 UTC
You will eventually reach the point of demenishing returns. A rocket at a certin point will require more fuel per unit speed then original launch. Example if you need 1 pound of fuel to go 1/km a second for every 1/km over 50/k a second speed will require x2 exponental increase of fuel for the same 1/k second increase. So 2 pounds to go 51, 4 pounds to go 52 etcetera. (The numbers are made up don't shoot me) There's a very scientific reason for this, which I don't remeber off the top of my head. So your ship will have a max speed for after that speed your fuel usage will be problematic

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Tavin Aikisen
Phoenix Naval Operations
Phoenix Naval Systems
#15 - 2014-11-06 06:41:19 UTC  |  Edited by: Tavin Aikisen
Dradis Aulmais wrote:
You will eventually reach the point of demenishing returns. A rocket at a certin point will require more fuel per unit speed then original launch. Example if you need 1 pound of fuel to go 1/km a second for every 1/km over 50/k a second speed will require x2 exponental increase of fuel for the same 1/k second increase. So 2 pounds to go 51, 4 pounds to go 52 etcetera. (The numbers are made up don't shoot me) There's a very scientific reason for this, which I don't remeber off the top of my head. So your ship will have a max speed for after that speed your fuel usage will be problematic


That's assuming you're increasing your acceleration or flying against an opposing force which requires constant thrust. Theoretically in space you don't burn your rocket continuously to maintain your vector.

The reason is do with thrust specific fuel consumption, which you correctly identified. Specifically it starts getting into considerations of temperature of the rocket exhaust nozzle, enthalpy, entropy and all this other business I'd rather not go into. Ugh.

But this is similar to why our airlines don't zip around in fast aircraft like the Concorde. Sure it's a quick flight, but it's not cost effective for fuel. Those engines simply require more to maintain higher speeds. (Remember those aircraft provide constant thrust to maintain flight, otherwise the drag slows you down once you stop 'firing your engine').

"Remember this. Trust your eyes, you will kill each other. Trust your veins, you can all go home."

-Cold Wind

Dradis Aulmais
Center for Advanced Studies
Gallente Federation
#16 - 2014-11-06 23:08:24 UTC
Tavin Aikisen wrote:
Dradis Aulmais wrote:
You will eventually reach the point of demenishing returns. A rocket at a certin point will require more fuel per unit speed then original launch. Example if you need 1 pound of fuel to go 1/km a second for every 1/km over 50/k a second speed will require x2 exponental increase of fuel for the same 1/k second increase. So 2 pounds to go 51, 4 pounds to go 52 etcetera. (The numbers are made up don't shoot me) There's a very scientific reason for this, which I don't remeber off the top of my head. So your ship will have a max speed for after that speed your fuel usage will be problematic


That's assuming you're increasing your acceleration or flying against an opposing force which requires constant thrust. Theoretically in space you don't burn your rocket continuously to maintain your vector.

The reason is do with thrust specific fuel consumption, which you correctly identified. Specifically it starts getting into considerations of temperature of the rocket exhaust nozzle, enthalpy, entropy and all this other business I'd rather not go into. Ugh.

But this is similar to why our airlines don't zip around in fast aircraft like the Concorde. Sure it's a quick flight, but it's not cost effective for fuel. Those engines simply require more to maintain higher speeds. (Remember those aircraft provide constant thrust to maintain flight, otherwise the drag slows you down once you stop 'firing your engine').


I bow to superior knowlege

Dradis Aulmais, Federal Attorney Number 54896

Free The Scope Three

Eugene Kerner
TunDraGon
Goonswarm Federation
#17 - 2014-11-11 16:34:14 UTC  |  Edited by: Eugene Kerner
your ship will never be able to accelerate past the speed of light C (assuming Einstein is correct). The distance or better the space that your warp bubble transfers in time (lol) is something entirely different.
Actually, while in warp, your ship better not move at all ....

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Vulxanis Viceroy
Offworld Trading Company
Khimi Harar
#18 - 2014-11-13 19:23:43 UTC
Because game mechanics. The speeds they reach in warp are scientifically impossible, jumpdrives, jumpgates, wormhole mechanics, etc. CCP looked at science and went "Well that's inconvenient... meh, let's lose it." and threw science out the window.

Basically, just like in star trek, it just has to sound scientific enough to be plausible. Doesn't actually have to make sense in the real world. The laws of physics look at EVE, and cry.

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Sabriz Adoudel
Move along there is nothing here
#19 - 2014-12-02 05:27:45 UTC
Tavin Aikisen wrote:
Dradis Aulmais wrote:
You will eventually reach the point of demenishing returns. A rocket at a certin point will require more fuel per unit speed then original launch. Example if you need 1 pound of fuel to go 1/km a second for every 1/km over 50/k a second speed will require x2 exponental increase of fuel for the same 1/k second increase. So 2 pounds to go 51, 4 pounds to go 52 etcetera. (The numbers are made up don't shoot me) There's a very scientific reason for this, which I don't remeber off the top of my head. So your ship will have a max speed for after that speed your fuel usage will be problematic


That's assuming you're increasing your acceleration or flying against an opposing force which requires constant thrust. Theoretically in space you don't burn your rocket continuously to maintain your vector.

The reason is do with thrust specific fuel consumption, which you correctly identified. Specifically it starts getting into considerations of temperature of the rocket exhaust nozzle, enthalpy, entropy and all this other business I'd rather not go into. Ugh.

But this is similar to why our airlines don't zip around in fast aircraft like the Concorde. Sure it's a quick flight, but it's not cost effective for fuel. Those engines simply require more to maintain higher speeds. (Remember those aircraft provide constant thrust to maintain flight, otherwise the drag slows you down once you stop 'firing your engine').



The Concorde was fuel inefficient due to fluid dynamics at and around the speed of sound, which is an 'earth only' issue.

Basically the method used by a 747 to generate lift does not work above about 0.85 times the speed of sound, and so totally different wing designs are required, and those wing designs are far less efficient.

None of this applies to space, however.

Basically EVE does not use either Newtonian or relativistic physics, it instead uses some variant of a submarine simulation in order to improve gameplay.

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Azazel The Misanthrope
Oblivion's Pendulum
Top Tier
#20 - 2014-12-03 19:43:07 UTC
Davey Talvanen wrote:
Tavin Aikisen wrote:
Davey Talvanen wrote:
[quote=Rems Issus] but should be capable of 100000 m/s of speed.


How do you gather that?


Any ship accelerating at 1 m/s/s can hit 100000 m/s after 100,000 seconds



I am sure that is what they thought about the shuttle Columbia too.
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