Car blows up at lws oxy-fuel tanks in trunk
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  1. #1
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    Aug 2015
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    Car blows up at lws oxy-fuel tanks in trunk

    Some one hauling tanks in the trunk of a bmw got a lesson they wont forget.
    http://www.unionleader.com/article/2...late=mobileart
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  2. #2
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    Re: Car blows up at lws oxy-fuel tanks in trunk

    Sounds like it was a good thing for the fire sprinklers.
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  3. #3
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    Re: Car blows up at lws oxy-fuel tanks in trunk

    I got the impression these were cylinders being returned. I once worked with a knuckle dragging idiot that left the "emptys" open so the supplier didn't get "free stuff" back. You couldn't get it through his thick skull that was dangerous with acetylene due to offgassing when the temps went up. Finally the safety Nazi caught him and he was gone.

  4. #4
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    Re: Car blows up at lws oxy-fuel tanks in trunk

    Acetylene tanks are not supposed to be put on their side, he said.
    "This is what happens when they’re not (upright)," he said.

    Said by the district fire chief. No, tanks don't blow up because they're on their side. They blew up because they were transported in an enclosed space, probably rolling around, in a hot trunk, leaking. The guy is lucky they didn't blow when he was driving.
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  5. #5
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    Re: Car blows up at lws oxy-fuel tanks in trunk

    I was thinking that too. They're just not supposed to be used while on their side.

  6. #6
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    Re: Car blows up at lws oxy-fuel tanks in trunk

    Yes not to be used on their side because doing so will mix the Acetylene with the acetone in side the tank.
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  7. #7
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    Jan 2005
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    Rochester, NY
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    Re: Car blows up at lws oxy-fuel tanks in trunk

    I was taught that acetylene tanks were okay to transport on their side, but you should leave them upright overnight before using to let the acetylene and acetone separate. But transporting unsecured tanks is just nuts. Certainly qualifies one for a Darwin Award.

  8. #8
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    Mar 2014
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    Re: Car blows up at lws oxy-fuel tanks in trunk

    The acetylene is dissolved in the acetone in the same way CO2 is dissolved in soda. The reason for not using it with the cylinder laying on it's side is because the acetone will run out and get in the hoses and torch. The same reasoning is behind the 1/7 rule. Even with the tank standing up right if you try and get the C2H2 out of it at to high a flow you run the risk of it pulling some of the acetone out along with it.

  9. #9
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    Mar 2014
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    Re: Car blows up at lws oxy-fuel tanks in trunk

    This happened at Welder's Supply on Industrial Blvd. in Dallas, TX. Hundreds of acetylene cylinders of all sizes cooked off in this.
    When this happened I'd been gone from the area for several years but for around an 11 year prior period I'd estimate I went in this place at least once every other week. It was one of the two main LWSs I traded at.


  10. #10
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    Re: Car blows up at lws oxy-fuel tanks in trunk

    Open aired (pickup) vehicle is the only way to transport volatile liquids or gasses ..

    The only way out of these high pressure vessels is out through valve, so there can't be a lot of discussion about what the root cause was. .
    "The things that will destroy America are prosperity at any price, peace at any price, safety first instead of duty first, the love of soft living and the get rich quick theory of life." -Theodore Roosevelt

  11. #11
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    Re: Car blows up at lws oxy-fuel tanks in trunk

    I completely agree the acetalyne cylinder laying down wasnt the cause for the explosion. But in New Hampshire there is a law that says any flammable gas cylinder has to be transported upright. im not sure if it is the same in other states.
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  12. #12
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    Re: Car blows up at lws oxy-fuel tanks in trunk

    My lws has a big sign hanging by their cylinders that says "We will not load cylinders into enclosed vehicles." It's well placed so when his royal majesty Sir Lazy backs up and pops the trunk (or one of those fancy ones that closes itself too) expecting someone to load it for him, he obviously sees it and can't complain.

  13. #13
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    Jasper TX
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    Re: Car blows up at lws oxy-fuel tanks in trunk

    This happened to a neighbor of mine back in the late 80's. The couple had dropped by the welding supply store to pick up new oxy and accy bottles. Put them in the trunk of their car and went to dinner. Then next morning after the husband had already gone to work, he called his wife and asked her to get the bottle out of the car. She opened the passenger side door and hit the trunk release button in the glove box and the car exploded. She lived 2 days but never regained consciousness .

  14. #14
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    Re: Car blows up at lws oxy-fuel tanks in trunk

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  15. #15

    Re: Car blows up at lws oxy-fuel tanks in trunk

    Quote Originally Posted by Fast Leroy View Post
    This happened to a neighbor of mine back in the late 80's. The couple had dropped by the welding supply store to pick up new oxy and accy bottles. Put them in the trunk of their car and went to dinner. Then next morning after the husband had already gone to work, he called his wife and asked her to get the bottle out of the car. She opened the passenger side door and hit the trunk release button in the glove box and the car exploded. She lived 2 days but never regained consciousness .
    My only thought is how do we get all the Senators and Congressmen to put oxygen and acetylene tanks in their trunk?

    Sincerely,

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    If I wasn't so.....crazy, I wouldn't try to act normal, and you would be afraid.

  16. #16

    Re: Car blows up at lws oxy-fuel tanks in trunk



    That is just pure acetylene in that short piece of steel pipe just laid on a piece of plywood.

    Check out what happens in the individual frames after the short movie.

    Sincerely,

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    If I wasn't so.....crazy, I wouldn't try to act normal, and you would be afraid.

  17. #17
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    Nov 2012
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    Re: Car blows up at lws oxy-fuel tanks in trunk

    if that pipe was any closer to the house this would've been a very different video
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  18. #18
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    Apr 2017
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    25

    Re: Car blows up at lws oxy-fuel tanks in trunk

    When somebody decides to do something stupid it is best to get out of their way ... in this case as far and as quickly you can get.

  19. #19
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    Re: Car blows up at lws oxy-fuel tanks in trunk

    The acetylene cylinders are designed with rupture discs ( or fusible plugs, can't remember) in them. This prevents the cylinder from exploding and allows a controlled release of the tanks contents.


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  20. #20
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    Re: Car blows up at lws oxy-fuel tanks in trunk

    Quote Originally Posted by snoeproe View Post
    The acetylene cylinders are designed with rupture discs ( or fusible plugs, can't remember) in them. This prevents the cylinder from exploding and allows a controlled release of the tanks contents.
    Which is why keeping them in enclosed spaces is a bad idea.

  21. #21
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    Re: Car blows up at lws oxy-fuel tanks in trunk

    Quote Originally Posted by Cabbagehats View Post
    Which is why keeping them in enclosed spaces is a bad idea.
    This also pertains to " B" tanks and " MC " tanks too

  22. #22
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    Jul 2013
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    Re: Car blows up at lws oxy-fuel tanks in trunk

    Quote Originally Posted by BD1 View Post
    This also pertains to " B" tanks and " MC " tanks too
    The B tanks actually seem plenty big enough to look dangerous but the MCs look rather benign.
    Last edited by Cabbagehats; 08-04-2017 at 08:59 PM.

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