Change History

Change History
(Anti-chronological)

June 2022:
Added a page to discuss a NASA internal note titled: "An envelope of Saturn V malfunction trajectories which can achieve orbit".
Added: performance characteristics Saturn IB - Apollo 7
Added: performance characteristics Saturn IB - Skylab 2, 3
Added: Page added with information about the F-1 engine cut-off sequence.
May 2022:
Enhancement on the page about the F-1 engine ignition sequence: internal workings of the Control Valve and the Ignition Monitor Valve have been depicted globally in the drawings.
October 2021:
Pictures in section 2c and 2d about the panel layout of the control consoles in the ACE-S/C Control Room have been subjected (and still are) to multiple iterations with the aim to eliminate the "unknowns" as much as possible.
September 2021:
Added a page to elaborate on the ACE-S/C Control Room.
Added 4 photos to page (MSOB) (prelaunch breakfast and Apollo 11 crew walkout)
June 2021:
Update of the pages about the Kennedy Space Centers' Flight Crew Training Building (FCTB) and the Manned Spaccecraft Operations Building (MSOB).
May 2021:
Page added about NASA's prime contractors for the Apollo program.
Pages added with information about the H-1 engine ignition sequence and cut-off sequence
March 2021:
Pages added with information about Kennedy Space Centers' Flight Crew Training Building (FCTB), the Manned Spaccecraft Operations Building (MSOB) and the Acceptance Checkout Equipment (ACE) control rooms residing in the MSOB.
June 2020:
Pages added with information about Mission Control Centers' Staff Support Rooms (SSRs) and the Recovery Control Room (RCR).
May 2020:
Added information about JSC and KSC.
Rearranged pages about MOCR, RTCC and CCATS to improve presentation of information.
April 2020:
Pictures added of paper models of MOCR (1:25), the RTCC (1:25)(for now only an IBM 360) and the LCC FR (1:122).
May 2016:
Spaces have been removed from all file names to improve the accessibility of the website via deep links.
June 2013:
Added: brief description on the Saturn V flight envelopes and the abort modes during the ascent phase.
May 2012:
Added: description of the J-2 rocket engine ignition sequence.
August 2011:
Added: description and pictures of the F-1 rocket engine ignition sequence.
May 2011:
Pages on the Saturn IB and V Instrument Unit have been updated.
October 2008:
Pages on the Saturn IB and V Instrument Unit have been updated.
May 2007:
Pictures and captions of the S-IC - SII separation sequence have been added.
January 2007:
Several pages have been updated. Text have been added. Pictures have been added. Some pictures have been improved and/or revised.
October 2006:

September 2006:
Initial version of the site is brought on line.
Remarks: on many pages text has to be added.

Change History (Anti-chronological)
June 2022: Added a page to discuss a NASA internal note titled: "An envelope of Saturn V malfunction trajectories which can achieve orbit". Added: performance characteristics Saturn IB - Apollo 7 Added: performance characteristics Saturn IB - Skylab 2, 3 Added: Page added with information about the F-1 engine cut-off sequence. May 2022: Enhancement on the page about the F-1 engine ignition sequence: internal workings of the Control Valve and the Ignition Monitor Valve have been depicted globally in the drawings. October 2021: Pictures in section 2c and 2d about the panel layout of the control consoles in the ACE-S/C Control Room have been subjected (and still are) to multiple iterations with the aim to eliminate the "unknowns" as much as possible. September 2021: Added a page to elaborate on the ACE-S/C Control Room. Added 4 photos to page (MSOB) (prelaunch breakfast and Apollo 11 crew walkout) June 2021: Update of the pages about the Kennedy Space Centers' Flight Crew Training Building (FCTB) and the Manned Spaccecraft Operations Building (MSOB). May 2021: Page added about NASA's prime contractors for the Apollo program. Pages added with information about the H-1 engine ignition sequence and cut-off sequence March 2021: Pages added with information about Kennedy Space Centers' Flight Crew Training Building (FCTB), the Manned Spaccecraft Operations Building (MSOB) and the Acceptance Checkout Equipment (ACE) control rooms residing in the MSOB. June 2020: Pages added with information about Mission Control Centers' Staff Support Rooms (SSRs) and the Recovery Control Room (RCR). May 2020: Added information about JSC and KSC. Rearranged pages about MOCR, RTCC and CCATS to improve presentation of information. April 2020: Pictures added of paper models of MOCR (1:25), the RTCC (1:25)(for now only an IBM 360) and the LCC FR (1:122). May 2016: Spaces have been removed from all file names to improve the accessibility of the website via deep links. June 2013: Added: brief description on the Saturn V flight envelopes and the abort modes during the ascent phase. May 2012: Added: description of the J-2 rocket engine ignition sequence. August 2011: Added: description and pictures of the F-1 rocket engine ignition sequence. May 2011: Pages on the Saturn IB and V Instrument Unit have been updated. October 2008: Pages on the Saturn IB and V Instrument Unit have been updated. May 2007: Pictures and captions of the S-IC - SII separation sequence have been added. January 2007: Several pages have been updated. Text have been added. Pictures have been added. Some pictures have been improved and/or revised. October 2006: September 2006: Initial version of the site is brought on line. Remarks: on many pages text has to be added.

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Copyright 2021 by Sander Panhuyzen
Comments and questions are welcome. All pictures and drawings contained on and through these pages are the author's, unless otherwise noted. No unauthorized reproduction without permission.