描述Apollo 8 acceleration.png	English: acceleration of Saturn V during Apollo 8 launch . The marked events in the graph are: Launch with ignition of the S-IC. Note how the acceleration rapidly rises with increasing engine efficiency and reduced propellant load. Cut-off of the centre engine of the S-IC. Outboard engine cut-off of the S-IC at a peak of 4g. S-II stage ignition. Note the reduced angle of the graph for although the mass of the first stage has been discarded, the thrust of the S-II stage is nearly one tenth of the final S-IC thrust. Cut-off of the centre engine of the S-II. Outboard engine cut-off of the S-II at a peak of approximately 1.8g. S-IVB stage ignition. Note again the reduced angle of the graph caused by the thrust being cut to a fifth. With the cut-off of the S-IVB's first burn, the vehicle is in orbit with zero acceleration.
日期	1968年
來源	http://history.nasa.gov/ap15fj/01launch_to_earth_orbit.htm [1]
作者	NASA.
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原始上傳日誌

• 2009-07-29 21:04 Bubba73 487×436× (23889 bytes) {{Information |Description = acceleration of Saturn V during Apollo 8 launch |Source = [[NASA]] |Date = 1968 |Author = unknown |Permission = |other_versions = }}

原始上傳日誌