Ion drive versus chemical rocket This is a simple comparison to show the difference in fuel efficiency and performance between conventional chemical rocket thrusters and ion thrusters.         Last update: 2 June 2006  •  Looking at the Moon (http://www.esa.int/SPECIALS/SMART-1/index.html)  •  Looking at the Moon (http://www.esa.int/SPECIALS/SMART-1/index.html) More about...  •  SMART-1 (http://www.esa.int/esaSC/120371_index_0_m.html) Related articles  •  Gone to the Moon... (http://www.esa.int/esaSC/SEM7AD0P4HD_exploring_0.html)  •  Ion drives: Science fiction or science fact? (http://www.esa.int/esaCP/SEM3JQXO4HD_Expanding_0.html)  •  Let gravity assist you... (http://www.esa.int/esaCP/SEMXLE0P4HD_Expanding_0.html)  •  ESA’s SMART-1 on course on lunar landing anniversary (http://www.esa.int/SPECIALS/SMART-1/SEMKRXU4QWD_0.html) Related links  •  Status reports (http://sci.esa.int/science-e/www/object/index.cfm?fobjectid=31517 &farchive_objecttypeid=30 &farchive_objectid=30930)