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If the ship accelerates to void velocity and decelerates at 0.5''g'' or less at the destination, the pellet may provide 1d5 x 20 days of 1/2 ''g'' acceleration (twice that powering ship's systems).<ref>This is a slight modification of the official rule.</ref> These "half-spent" fuel pellets are also traded and sold and are commonly used in shuttles and orbiter/landers equipped with atomic drives instead of [[Chemical Drives|chemical rockets]] and also used to power some types of [[Power Generator#Nuclear|power generators]].<ref>Half-spent pellets may be only obtained in the secondary market; cost is usually 50-100 Cr per day of 1/2''g'' thrust.</ref> |
If the ship accelerates to void velocity and decelerates at 0.5''g'' or less at the destination, the pellet may provide 1d5 x 20 days of 1/2 ''g'' acceleration (twice that powering ship's systems).<ref>This is a slight modification of the official rule.</ref> These "half-spent" fuel pellets are also traded and sold and are commonly used in shuttles and orbiter/landers equipped with atomic drives instead of [[Chemical Drives|chemical rockets]] and also used to power some types of [[Power Generator#Nuclear|power generators]].<ref>Half-spent pellets may be only obtained in the secondary market; cost is usually 50-100 Cr per day of 1/2''g'' thrust.</ref> |
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β | Although each engine consumes 1, |
+ | Although each engine consumes 1,113 [[Credit|Cr]] less worth of fuel than an equivalent [[Ion Drives|ion engine]] per jump, the overall greater availability of hydrogen and (far more economical) alternate fuels, as well as their simpler maintenance schedule, along with other factors, make atomic engines less common than their ion counterparts, though some newer designs with fewer atomic engines than the maximum (and correspondingly reduced performance) are significantly reducing these costs and relegating ion-drive engines to secondary roles in merchant fleets. |
===Fractional Acceleration Fuel Consumption=== |
===Fractional Acceleration Fuel Consumption=== |