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T O P I C R E V I E WJay GallentineDo I have it right that the Mariner 4 tape recorder could only be recorded to once?That is, the TV camera snapped images, laid to the tape, and then that was it. They could be played back multiple times (and were played twice), but no ability to rewind the tape and re-record.LCDR Scott SchneeweisPage 71/72 of the Mars Mariner Handbook detail characteristics of the tape recorder...if the ability to re-record was an enabled function I would expect to see it capture there or elsewhere in the document (it is not)... NTRS server location of the doc is here.art540I just sent you some text that says the Mariner 4 tape recorder could do a second recording and did. No actual specs but perhaps it was assumed knowledge.art540Thanks for the download of the Mariner Mars 1964 Handbook. In reading the flight events of Mariner III (page 24) there was a spacecraft "shock" noted at 1 min 44 secs into flight. I wonder if this could have been the internal shroud insulation being damaged by the falling ambient pressure and tangling the shroud to the spacecraft. I have not read that this event noted by telemetry was the actual failure point. Maybe I just learned something?
That is, the TV camera snapped images, laid to the tape, and then that was it. They could be played back multiple times (and were played twice), but no ability to rewind the tape and re-record.
I have not read that this event noted by telemetry was the actual failure point. Maybe I just learned something?
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