To all SSC Station occupants
Thank you for the donations over the past year (2024), it is much appreciated. I am still trying to figure out how to migrate the forums to another community software (probably phpbb) but in the meantime I have updated the forum software to the latest version. SSC has been around a while so their is some very long time members here still using the site, thanks for making SSC home and sorry I haven't been as vocal as I should be in the forums I will try to improve my posting frequency.
Thank you again to all of the members that do take the time to donate a little, it helps keep this station functioning on the outer reaches of space.
-D1-
Propellant != fuel.
Modern rockets use the spent fuel as propellant, but electric motors (such as an ion engine) use electricity as fuel and an inert gas (normally Xenon) as propellant.
In all cases, acceleration happens in two directions with a net acceleration of zero; propellant goes backwards, spacecraft goes forwards. The mass of both added together remains constant, but the ship must get less massive because it is literally throwing its mass away.
Fuel is fun, but it's even more fun if you can take on too much propellant to lift off! Time to refuel/restock in orbit before heading out...
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