Say it ain't so, Joe

Random nonsense by Joe LeVasseur

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Sunday, April 10, 2005 #

Remember last year the satellite that was supposed to be snatched from the air with helicopters equipped with special hooks- but smashed into the desert? It turns out it's an example of how things can go wrong even after being tested to death.

The probable cause is that two g-switches (Accelerometer switches.) were installed upside-down. Before you blame the guy who assembled the PCB- he followed the design to the letter. In other words- Lockheed supplied the faulty design.

NASA link one

NASA link two

It would seem to be fairly easy to devise a non-destructive test to verify that the circuit would fire when hit with force from the appropriate direction.

posted @ 9:00 PM | Feedback (46)