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$\begingroup$ How much delta-v does ATV or Progress have for themself? How much delta-v get ISS from them (0.5-2 m/s)? $\endgroup$
– osgx
Commented Apr 12, 2014 at 20:57
2

$\begingroup$ For the ATV: "From the 7 tonnes of available propellant, approximately 2.3 tonnes is available for free flight manoeuvres and approximately 4.7 tonnes is available for manoeuvring the space station at intervals of 10 to 45 days." From that, the Isp of 2650 m/s, and the mass of the ATV and ISS, you can compute the $\Delta V$'s from the 2.3 and 4.7 metric tons of propellant respectively. $\endgroup$
– Mark Adler
Commented Apr 12, 2014 at 21:01

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