Nich

the last aerodynamics rant thread was closed but since your post didn't look like irony, i'm reacting here :

""I am sorry but parachutes should be able to open at 2500 m/s all the air behind the shock cone is subsonic i.e. less then 343 m/s. Force at low density would be minimal and heating would be limited to the shock cone. Only way a chute would break is if you get to low in the atmosphere while still carrying significant velocity.""

tell me about it