Jean and Sabersonic — In a parallel discussion at SFConsim-l, the concern was lifted whether or not civil ships have to have a 'Manage place' whatsoever, or no matter whether persons could just stand enjoy from their common get the job done stations.
Winchell Chung (me): I used to be mulling over modular spacecraft design, After i suddenly realized I had a "Ship of Theseus" paradox on my palms.
Let us presume an electric thruster at Isp = 6000 and mission dV of 7000 m/s. Also believe a just one-way excursion (which means gas is on the market at the two endpoints).
All earlier posts explained all-chemical systems that might be constructed and operated profitably within the in the vicinity of time period. This just one focuses on electrical propulsion devices.
Usually if a propulsion system features a superior Ve it has a minimal thrust and vice versa. The only devices wherever both are higher are torch drives. Some spacecraft engines can change gears by investing exhaust velocity for thrust.
At times individual motor subsystems designers get so centered on their subsystems they get rid of sight of the overall mission. Resource and artist not known.
The only time you really conn a (civil) spacecraft is all through rendezvous and docking, or related evolutions. At these situations you definitely de-spin, but you might want a different control station close to the principle airlock, with viewports for optimum situational recognition.
, some have proposed which the generate might be modular, with the front finish with the ship (containing weapons, crew, cargo, as well as like) developed independently and attached for numerous missions. This can be to some degree plausible in a commercial context, but has severe issues inside of a army just one. However, the concept of purchasing a independent push and payload and mating them alongside one another is fairly very likely, and could see navy and civilian vessels sharing drive styles.
It might be great if the average acceleration also matches up Using the midpoint of gasoline consumption, but by some means I question it. Let us figure out.
I believe the next stage is to work up some EML2 to Phobos tether-seize cargo operates and see how they Examine to your baseline LEO to LMO mission. Holding made use of nuclear reactors out of LEO is a good idea, as is retaining big solar arrays out of the Van Allen belts.
modules are changed plus the previous modules utilized to make a new ship? Legally which a single would be the SkyTrash?
From time to time individual subsystems designers get so focused on their subsystems they get rid of sight of the general mission. Source and artist unfamiliar.
2.2 many years is a protracted vacation, but it's correct on the synodic time period for Earth and Mars. A cargo tug introduced at just one prospect would get there just in time to go / no go the crew start at the following chance. Part of the situation is the fact a minimal-thrust automobile has to make about sixteen km/s of dV for this vacation, far more than a high-thrust chemical program demands because of the Oberth result. Assuming an Isp of 6000 seconds the gasoline mass ratio is 23.
Of course I used to be looking to cease GCRs (but calculations visit this page showed it would need an unreasonably substantial magnet). The plasma magnets wouldn't end the photo voltaic wind protons either, when regarded as individual particles — you'll need the plasma effects in the electrons to stop the solar wind. This lets you get by with a much scaled-down magnet.