getmybehindsatan t1_ittdcbh wrote
Reply to comment by rigorousthinker in TIL that flight recorders must be able to withstand an acceleration of 3400 g for 6.5 milliseconds and that this is roughly equivalent to an impact velocity of 270 knots (310 mph; 500 km/h). by IchBinKoloss
The memory storage is surrounded by foam, but its main purpose is as heat insulation if there is a fire.
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