10-21-2019, 04:53 PM | #21 | |
Join Date: Feb 2005
Location: Berkeley, CA
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Re: Spaceship Weapons and Gravity Layout
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10-22-2019, 09:39 AM | #22 | ||||||||||||
Hero of Democracy
Join Date: Mar 2012
Location: far from the ocean
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Re: Spaceship Weapons and Gravity Layout
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That said, if I have 1,000 engineers in a room figuring out how to lay this all out, it may be possible to get arbitrary gravity with those restrictions, but that's not the feel I want. Quote:
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They produce a less efficient pull than a electromagnet of the same size, though range and substances pulled have different properties. They need to be very firmly secured: They are pulled or pushed by everything they pull or push, so they're major loads. I don't think I have a good idea of how much they're supposed to cost yet. I'd like a big industrial feel to them. Quote:
So they will be able to act as inertial dampeners, but only if the acceleration is gradual enough, predictable enough, and oriented in the right direction. Its worth sticking in a dedicated disk system to cancel the engine though. humorously, I could see a pilot to be out of that cancelling effect so he can feel what the ship is doing. Quote:
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OF course, by spaceship's rules, even dodging isn't likely to happen, given the accelerations, distances, and delta-v's I'm looking at using (Hot reaction drives, which just barely have the acceleration and delta-v to dodge for a few rounds of combat at long range 10 minute scale if you really build your ship for it). Quote:
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The first is that someone is going to disbelieve the instruments, his staff, and everything else, and demand to be able to take a look at what's going on out there, however illogical. The second is that this is a space opera ship, and sometimes they are depicted following out-dated schemes. I don't think I'm sticking the command center on the outside, but I'll probably have viewing stations of once sort or another. And thanks for pointing out docking as a time when seeing where you are going is important. Its probably the only time human vision is actually useful. I don't know if the main drives are appropriate for that sort of manuever. Not the last few hundred yards, at least.
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10-22-2019, 10:08 AM | #23 |
Join Date: Aug 2007
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Re: Spaceship Weapons and Gravity Layout
It's not the orientation of the floor that's in question. It's the net direction of gravity+acceleration and the way that affects liquids. Not the way it effects how the spacehands stand. The artifical gravity is only going in for human comfort (and possibly health). Making everyone apply a 5% "Kentucky windage" on all the hot coffee they pourfor soem reason I don't really understand is bizarre.
As for Spaceships and attitude thrusters, Spaceships is a simple, limited detail system for designing spaceships quickly. Attitude thrusters are one of those things that gets tossed into the mandatory "Control Room" which actually includes many things that aren't in the physical control room. You'd have to go out of your way in Ve2 to include special extra engines for sideways thrust for dodging. At the ultra-realism level spitting out a hot reaction plume to your side while trying to change your motion would probably do more to tell your enemy where you actually are than the effect of changing your motion would disrupt his aim. Maybe you want to shut down your drives and use extra EW when you go into combat. A question I have not heard answered yet about your artificial gravity discs is "What is their range?". Real gravity exerts a diminishing level of force over an unlimited range. Artifical gravity needs to exert a constant force over at least enough distance to go from floor to ceiling. Every inch farther than that is probably a disadvantage. If the artificial gravity has no range limits it's a very inconveniently infinte tractor beam rather than an artificial gravity system.
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Fred Brackin |
10-22-2019, 12:46 PM | #24 | |
Join Date: Sep 2007
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Re: Spaceship Weapons and Gravity Layout
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You'd also need a sensors and a control feedback loop to balance the two disks. (Yay, more things to break!) Or remarkably good quality control in manufacturing them. Since we're talking military ships and damage control, accidental loss of one of the paired plates is likely. So the null-G zone probably isn't used for anything important or fundamental to ship operation. Maybe something like beds, or battery-powered disks you can slide under cargo pallets (and stick the sides as well). |
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10-22-2019, 01:07 PM | #25 | |
Hero of Democracy
Join Date: Mar 2012
Location: far from the ocean
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Re: Spaceship Weapons and Gravity Layout
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10-22-2019, 01:12 PM | #26 | |
Join Date: Dec 2006
Location: Meifumado
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Re: Spaceship Weapons and Gravity Layout
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This is all unless the plates are also gravity-insulators, which in turn opens up a whole range of other issues.
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10-22-2019, 01:19 PM | #27 | ||
Join Date: Dec 2006
Location: Meifumado
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Re: Spaceship Weapons and Gravity Layout
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The inverse-square law holds when you consider a test mass at a distance from an object that you can treat as a point, as the field lines diverge spherically. When your test mass is near a field-emitting plane, there is no field strength drop off w.r.t. distance as the field lines are all parallel, until you move far enough away from the plate for it to "look" like a point source. Simple engineering tricks could be making the plate concave or convex (not sure which would get the desired result...) Otherwise, you can just handwave the attenuation distance. Quote:
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10-22-2019, 02:08 PM | #28 |
Join Date: Feb 2005
Location: Berkeley, CA
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Re: Spaceship Weapons and Gravity Layout
The simple version is that you need to have two plates (one attractive, one repulsive) and it applies in the region between the plates.
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10-22-2019, 03:47 PM | #29 | |||||||
Hero of Democracy
Join Date: Mar 2012
Location: far from the ocean
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Re: Spaceship Weapons and Gravity Layout
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At this point, I think I'm either lining up gravity with the main acceleration, minimizing how often those main engines fire, or using a disk to apply a neutralizing effect. Quote:
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Be helpful, not pedantic Worlds Beyond Earth -- my blog Check out the PbP forum! If you don't see a game you'd like, ask me about making one! |
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10-22-2019, 08:48 PM | #30 | |
Join Date: Aug 2007
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Re: Spaceship Weapons and Gravity Layout
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Makign things relatively weak like this can serve to ewduce at least some of the abuses possible with such pseudo-particles.
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Fred Brackin |
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