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Re: What kind of Chemical freak designed the MARAH
Posted By: SiliconDream =PN=Date: 12/14/01 12:27 a.m.

In Response To: Re: What kind of Chemical freak designed the MARAH (Steve Levinson)

: Really? I would have gathered just the opposite. Keep in mind that
: centrifugal gravity is also artificial.

Well, it seemed to me that saying "The Pfhor ship has a weak artificial gravity field" and "The gravity's weaker than on the Marathon" would be unnecessarily redundant unless the mere fact of artificial gravity was itself worthy of note. However, I've more or less given up on this idea for other reasons.

Centrifugal gravity is artificial, but not in the same sense...Coriolis forces aside, it still "feels" like ordinary gravity.

: Not only that, but the gravity would be strongest at the equator and would be
: off-angle elsewhere. True, Phoebos (sp?) is oblong, as is the Marathon.
: Does anyone know the dimensions of the Marathon? It would be interesting
: to calculate the required rotation frequency to produce anything
: approaching 1G. I once read that centrifugal pseudogravity is inherently
: problematic, as rotation speeds would be sufficiently high to cause
: dizziness, nausea and vomiting. When we see the Marathon in M1, it isn't
: spinning. True, it's been disabled, but then the game would occur in zero
: G. More likely this is a limitation of the M1 engine. On the other hand,
: if humans could develop the technology for transport, then surely they
: could develop artificial gravity.

Marathon was actually converted from Deimos, which is 11 km across in its smallest dimension (its "width"). Assuming not too much of it was shaved off to make the Marathon, if we want a 1-g force at the ship's hull, you'd need to rotate once every two minutes or so. That's slow enough that you don't have any real effects of discomfort--as an example of how "noticeable" the rotation is, a person sprinting spinwards or antispinwards at 20 mph experiences a less-than-10% weight difference from a person standing still--but you'd definitely see the stars move. Of course, the Marathon engine didn't allow for animating landscape textures.

But, as you guys talk about elsewhere in the thread, you've got windows in the walls instead of in the floor as they'd need to be for centrifugal gravity--and in fact in G4 Sunbathing you've got the sky directly overhead. So no centrifugal gravity. :-(

Still seems strange to me that the shuttles don't have artificial gravity, and that you can drift toward the Marathon in zero-G in the manual even though you're being held to the hull by 1-G in G4 sunbathing, and that Leela and Durandal can't incapacitate most of the Pfhor (especially on the hull) by messing with the gravity...but that's the way it is.

: That's actually an excellent idea. Marathon certainly doesn't look like it
: was designed this way, but maybe the colonists have been gradually
: modifying it since arrival at Tau Ceti. Why use artificial gravity when
: acceleration will produce pseudogravity in an of itself. In fact, the
: problem with long distance space travel is not microgravity but
: hypergravity, as the time of travel could be cut dramatically by
: accelerating and then decelerating continuously at values greater than
: Earth's gravitational acceleration.

For some reason Loren Petrich never thought to add the accelerational G-force to his Marathon page. :-) Assuming constant acceleration and deceleration for Sol to Tau Ceti in 300 years, the Marathon would only experience 1/2000th of a gee. So I guess artificial gravity swamped the acceleration component at any time...although low-G childhoods might explain why the Bobs are such wusses.

--SiliconDream

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Pre-2004 Posts

Replies:

What kind of Chemical freak designed the MARAHTON?Ernie TMBM 12/12/01 4:30 p.m.
     Just an addendumErnie TMBM 12/12/01 4:35 p.m.
           This is normal.Djof 12/12/01 5:01 p.m.
     Re: What kind of Chemical freak designed the MARAHSiliconDream =PN= 12/12/01 6:27 p.m.
           Re: What kind of Chemical freak designed the MARAHSNoblitt 12/12/01 7:41 p.m.
           Re: What kind of Chemical freak designed the MARAHSteve Levinson 12/12/01 8:37 p.m.
                 Re: What kind of Chemical freak designed the MARAHSiliconDream =PN= 12/12/01 10:15 p.m.
                       Re: What kind of Chemical freak designed the MARAHSteve Levinson 12/13/01 5:00 a.m.
                             Re: What kind of Chemical freak designed the MARAHDjof@School 12/13/01 5:59 a.m.
                                   Re: What kind of Chemical freak designed the MARAHget azure 12/13/01 7:26 a.m.
                                         Re: What kind of Chemical freak designed the MARAHSteve Levinson 12/13/01 10:31 a.m.
                                               RollerCoastersDjof@School 12/13/01 11:36 a.m.
                                                     Re: RollerCoastersSteve Levinson 12/13/01 1:15 p.m.
                                                           Re: RollerCoastersTrahojen 12/14/01 3:41 a.m.
                                                                 Re: RollerCoastersSteve Levinson 12/14/01 7:54 a.m.
                                                           k then :)Djof@School 12/14/01 7:03 a.m.
                                                           Re: RollerCoastersAhruman 12/14/01 8:36 a.m.
                                                                 Re: RollerCoastersSteve Levinson 12/14/01 10:15 a.m.
                                                                       Re: RollerCoastersDjof 12/14/01 12:31 p.m.
                                                                             Re: RollerCoastersSiliconDream =PN= 12/14/01 5:24 p.m.
                                                                       Re: RollerCoastersRampant Document 12/15/01 6:03 a.m.
                                                                 Re: RollerCoastersSiliconDream =PN= 12/14/01 5:23 p.m.
                             Re: What kind of Chemical freak designed the MARAHSiliconDream =PN= 12/14/01 12:27 a.m.
                                   Re: What kind of Chemical freak designed the MARAHget azure 12/15/01 6:06 a.m.
                                         Re: What kind of Chemical freak designed the MARAHTru7h 12/15/01 7:03 a.m.
                                               Re: What kind of Chemical freak designed the MARAHRincewind MoG 12/15/01 8:27 a.m.
                                                     Re: What kind of Chemical freak designed the MARAHSteve Levinson 12/15/01 10:08 a.m.
           Chemical freaks indeedElectricSheepOne 12/16/01 10:55 a.m.
                 You're right - I remember that *NM* *NM*Steve Levinson 12/16/01 11:12 a.m.
     Re: What kind of Chemical freak designed the MARAHVid Boi 12/13/01 12:47 a.m.
           Re: What kind of Chemical freak designed the MARAHSteve Levinson 12/13/01 4:38 a.m.
                 Re: What kind of Chemical freak designed the MARAHShnu 12/14/01 7:08 p.m.
                       Re: What kind of Chemical freak designed the MARAHSiliconDream =PN= 12/14/01 11:43 p.m.
                             Re: What kind of Chemical freak designed the MARAHAhruman 12/15/01 9:48 a.m.
                                   Re: What kind of Chemical freak designed the MARAHSiliconDream =PN= 12/15/01 3:25 p.m.
     Re: What kind of Chemical freak designed the MARAHMark Levin 12/16/01 11:10 a.m.



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