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Pods, out of date tech?

Author
Eija-Riitta Veitonen
State War Academy
Caldari State
#21 - 2013-04-23 04:46:01 UTC
Tanis Attor wrote:
Silas Vitalia wrote:
Just a quick comment on the 'pod absorbing g-forces:'


PF has established artificial gravity as a technology in common use.

Hovercars, floating chairs for Amarr Holders, etc.

Especially on spaceships.


No one on the ships will feel a thing with the ships flying around and changing directions, as artificial gravity likely compensates 100%. Ship banks right, artificial gravity compensates.

No seat belts needed.



The insane maneuvers pod ships can perform is more a factor of the interface and immediate feedback and control, rather than through special ship ability.


So the ship does a 10G forward nose down pitching maneuver. To stop the crew from being stuck to the ceiling for the duration of the maneuver the artificial gravity has to pin the crew to the floor to the tune of 10Gs as anything less will have them float upwards. Follow that with a 25G turn to the right, due to the centripetal forces the artificial grav will have to increase by far more than 25G to stop everyone sliding sideways. It would be far less stressful to the crew to just have a few straps, a comfy seat and a rigorous gym program.

I don't think any human can survive 25G for longer than few miliseconds, no matter how trained they are.
Axel Kurki
Aseyakone
#22 - 2013-04-23 07:35:22 UTC  |  Edited by: Axel Kurki
My traditional disclaimer is that "real physics have absolutely nothing to do with a game of internet space submarines". However, acceleration and gravity are perfectly exchangeable. On Earth, the gravity factor g is approximately 10 m/s^2 (actually closer to 9.8), i.e. standing on the surface of our dear little dustball feels the same as if you were on a spaceship in "weightless" space accelerating at constant 10 m/s per second. Finally, at least under non-relativistic conditions, the gravity force G is mass times acceleration, i.e. a person weighing 100 kilograms is pushing the ground (and the ground pushes him) at 1000 kgm/s^2 (980... but hey), where kgm/s^2 is denoted one Newton of force.

A "25G" turn would be a turn where the structure (and any gravity present) total 25 times the effect of Earth's gravity. Without any external gravity, this requires acceleration of approximately 250 m/s^2. Our 100 kg test person feels as if he weights 2.5 metric tons. However, this assumes that there is no gravity. If we have a turn causing 250 m/s^2 acceleration at the crew position, if the artificial gravity / inertial dampeners propel the crew to the same direction at 250 m/s^2 acceleration (matching the acceleration of the environment) they will feel as if they were in free fall (i.e. weighless).

There would be probably a combination of both, where artificial gravity systems keep the crew alive and the stations have safety harnesses to help keep the people in place during erratic maneuvers. The end result would feel probably still as if being in a maneuvering jet (E: until the inertial dampeners get it right - newer ships would be better), unless the ship is flying straight.

As for the original topic, DUST troopers indeed cannot use a pod. Probably handwaveable as there being a limit on how much implants you can inject to a brain before having a leafless potted plant left. Also, I understand that DUST and EVE skill learning happens with a different mechanism, where DUST skills are more like EVE hardwirings whereas capsuleer implants make possible actual subconscious learning.
Tanis Attor
Native Freshfood
Minmatar Republic
#23 - 2013-04-23 10:01:46 UTC
Eija-Riitta Veitonen wrote:
Tanis Attor wrote:
Silas Vitalia wrote:
Just a quick comment on the 'pod absorbing g-forces:'


PF has established artificial gravity as a technology in common use.

Hovercars, floating chairs for Amarr Holders, etc.

Especially on spaceships.


No one on the ships will feel a thing with the ships flying around and changing directions, as artificial gravity likely compensates 100%. Ship banks right, artificial gravity compensates.

No seat belts needed.



The insane maneuvers pod ships can perform is more a factor of the interface and immediate feedback and control, rather than through special ship ability.


So the ship does a 10G forward nose down pitching maneuver. To stop the crew from being stuck to the ceiling for the duration of the maneuver the artificial gravity has to pin the crew to the floor to the tune of 10Gs as anything less will have them float upwards. Follow that with a 25G turn to the right, due to the centripetal forces the artificial grav will have to increase by far more than 25G to stop everyone sliding sideways. It would be far less stressful to the crew to just have a few straps, a comfy seat and a rigorous gym program.

I don't think any human can survive 25G for longer than few miliseconds, no matter how trained they are.


Yeah sorry about that. I got a bit away from myself. From memory I think survivable G-Forces is up to about 16G for 1 minute, although I have seen a report of 25G for 1.1 second being survived but the person had permanent eye damage.
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