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Thread: How safe are parachutes?

  1. #1
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    Wink How safe are parachutes?

    The attachment is from a recent copy of the British Medical Journal. It raises some interesting issues about the "scientific method"...
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    Not only has parachute use not been scientifically proven, there are also NO laws governing their use.

    It seems to me that the government should IMMEDIATELY pass laws to ensure that anyone jumping out of a aeroplane must be wearing an approved parachute. With inspectors in each plane to check, and a licensing (and fine/demerit system) to ensure that people jumping out of aeroplanes are properly tested and qualified
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    Quote Originally Posted by Ixion
    Not only has parachute use not been scientifically proven, there are also NO laws governing their use.

    It seems to me that the government should IMMEDIATELY pass laws to ensure that anyone jumping out of a aeroplane must be wearing an approved parachute. With inspectors in each plane to check, and a licensing (and fine/demerit system) to ensure that people jumping out of aeroplanes are properly tested and qualified
    There are laws governing their use.
    Yes, they must be "approved" to a TSO Standard.
    There is a licencing structure for the users of the parachutes.

    Your point here is?????
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    Quote Originally Posted by Hitcher
    The attachment is from a recent copy of the British Medical Journal. It raises some interesting issues about the "scientific method"...
    I wonder what a placebo parachute would look like?

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    On the other hand, why would you jump out of a perfectly good aeroplane in the first place!?

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    Quote Originally Posted by MacD
    On the other hand, why would you jump out of a perfectly good aeroplane in the first place!?
    Because the door was open.
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    Quote Originally Posted by MacD
    On the other hand, why would you jump out of a perfectly good aeroplane in the first place!?

    i have over 300 jumps under a Mil-Spec canopy.. worst i ever got was a kick in the balls from a loose groin strap..
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    Quote Originally Posted by Hitcher
    The attachment is from a recent copy of the British Medical Journal. It raises some interesting issues about the "scientific method"...
    "Scientific method" is a bit broad really, I'll settle for "randomised controlled clinical trials"...

    However the responses are quite fun to read (if you like this sort of thing

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    Quote Originally Posted by SARGE
    i have over 300 jumps under a Mil-Spec canopy.. worst i ever got was a kick in the balls from a loose groin strap..
    Yeah, but did you jump or were you (metaphorically) pushed!?

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    I think we can arrange a little "quantitive study trial" quite easily. There seems to be an excess of public servants at the moment, so we could chuck them out of the plane at various heights to see if the results quoted are quantifyable in any way......
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    Quote Originally Posted by MacD
    Yeah, but did you jump or were you (metaphorically) pushed!?

    im a mad bastard to begin with ... i jumped.. best i ever jumped was a HALO jump..(High Altitude, Low Opening ..)

    HAHO's arent as much of a rush, but you get to look around for longer and you can saturate the LZ with frags on the way down too...

    also been airlocked out of a sub at 50 metres..(THAT hurt...)
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    Have jumped at 9000ft strapped to a burly bloke and paid good money for it too..
    Freak of a rush I gotta say! Will definately do it again

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    Quote Originally Posted by SARGE
    also been airlocked out of a sub at 50 metres..(THAT hurt...)
    What air pressure do subs run at internally? Near atmospheric? I guess flooding the airlock would be pretty hard on the ears/sinuses then!?

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    Quote Originally Posted by MacD
    What air pressure do subs run at internally? Near atmospheric? I guess flooding the airlock would be pretty hard on the ears/sinuses then!?


    every 10 metres a diver is underwater.. he gets hit with another bar of pressure ( 50 metres = 5 athmospheres pressure.. = about 75psi or so)

    a sub stays at 1 bar internally (approx)

    from 14.7 psi to 75 psi within a few minutes really feels like youve just had a car drop on you..

    after depths like that, your teeth dont fit together right ( dead serious..)
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    Quote Originally Posted by Swoop
    There are laws governing their use.
    Yes, they must be "approved" to a TSO Standard.
    There is a licencing structure for the users of the parachutes.
    Maybe not in Pomgolia, circa 2003, though
    Quote Originally Posted by Swoop
    Your point here is?????
    Ixion was practicing the art of sarcasm - a worthwhile cause IMO.
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