Proton-M launch goes horribly wrong : space

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TheSortingHate on October 5th, 2018 at 15:32 UTC »

This is what half my launches in KSP look like

Senno_Ecto_Gammat on October 5th, 2018 at 14:35 UTC »

When this accident happened back in 2013 it was because some angular velocity sensors were installed upside down by mistake.

Knowing that this would have been a big problem, the designers of the hardware painted the sensors with an arrow that was supposed to point toward the front of the rocket (this way to space mmmkay?). The wreckage was found with some of the sensors facing the wrong way.

Also knowing that obvious instructions aren't so obvious, the mounting point was designed by the engineers so that it had guide pins that matched up to holes in the sensor that would allow the sensor to fit only if it was oriented correctly.

Stupidity knowing no bounds, the sensors were recovered and found to be dented by the pins, having been forced into the mounting point probably by a hammer or something.

Proton has had serious reliability problems for years and that's why it's being retired.

This mistake is similar to the one that caused the Genesis sample return capsule to perform an emergency lithobraking maneuver on the desert floor in Tooele Utah - an accelerometer was installed backward and so the spacecraft never gave the command to open the parachutes. It overshot the recovery area and hit the ground at 90 m/s. Here is a video of that failure (catharsis at 1:39).

mfb- on October 5th, 2018 at 14:09 UTC »

Was this the failure in 2013?

Edit: Yes it was.