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| starship_propulsion [2011/08/16 08:53] – [IEC Plasma Exhaust Drives] hagalaz | starship_propulsion [2011/08/16 09:05] – [Chemical Rockets] hagalaz |
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| ==== Chemical Rockets ==== | ==== Chemical Rockets ==== |
| These are primarily used for take-off, atmospheric maneuvering, and orbital maneuvering. Their strength is unrivaled, but their fuel efficiency leaves very much to be desired. (For purposes of game mechanics, these engines are "free" to use for lift-off and maneuvering within a single LITE sector of space. They cannot be used for moving a ship from sector to sector.) | These are used for take-off, as well as atmospheric, orbital, and emergency maneuvering. Their strength is unrivaled, but their fuel efficiency leaves very much to be desired. They are typically dual-mode, burning liquid hydrogen, and are capable of using atmospheric oxygen as an oxidizer in the lower atmosphere of planets such as Oceania and Annyrion, and utilizing a small store of liquid oxygen for higher altitudes. |
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| | Spacecraft designed to be transatmospheric generally carry enough fuel and oxidizer to climb the gravity well of an Earth-sized planet, but are generally not capable of traveling in deep space on their own. Fuel/oxidizer storage takes up the vast majority of any single-stage-to-orbit vehicle. |
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| | //(Note: Think of transatmospheric shuttles as updated versions of the real-world [[https://secure.wikimedia.org/wikipedia/en/wiki/Reaction_Engines_Skylon|Skylon spaceplane]] proposed by Reaction Engines Limited. For purposes of game mechanics, these engines are "free" to use for lift-off and maneuvering within a single LITE sector of space, but cannot be used for moving a ship from sector to sector. - Hagalaz)// |
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