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  1. #16

    • Sock Puppet
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    Re: Propane Fueled Disneyland Shuttle Explodes

    Quote Originally Posted by westonsheppup View Post
    It's a general motors chassis also, so lord knows what issues that has.






    Well, designing them to blow up is one way for GM to avoid future warranty issues...

  2. #17

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    Re: Propane Fueled Disneyland Shuttle Explodes

    Quote Originally Posted by OldSchoolMickey View Post
    Notice the DCA signage on the side?
    lmao!


  3. #18

    • MC, this is LD
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    Re: Propane Fueled Disneyland Shuttle Explodes

    Burn baby burn!!!


    --KAN

  4. #19

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    Re: Propane Fueled Disneyland Shuttle Explodes

    Quote Originally Posted by OldSchoolMickey View Post
    Well, designing them to blow up is one way for GM to avoid future warranty issues...
    Now we wonder why they asked for bailout money......

  5. #20

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    Re: Propane Fueled Disneyland Shuttle Explodes

    Hmm, interesting. Glad nobody got hurt.

  6. #21

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    Re: Propane Fueled Disneyland Shuttle Explodes

    Please read closely, it said Disneyland AREA shuttle, Disney had adds on it, but I don't think it is owned or run by Disney. Looks like an area hotel shuttle to me.

  7. #22

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    Re: Propane Fueled Disneyland Shuttle Explodes

    A preview of Magical?

  8. #23

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    Re: Propane Fueled Disneyland Shuttle Explodes

    Someone with a cell phone captured this exclusive video showing what happened:
    [ame="http://www.youtube.com/watch?v=NOWIlP9t8y4"]Disneyland Shuttle accident[/ame]


  9. #24

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    Re: Propane Fueled Disneyland Shuttle Explodes

    Well, under the drivers' feet would be where they mount the Propane Vaporizer unit - the underhood space on these vehicles is at a premium, they would put it under the floor. The Vaporizer has lots of hoses and fittings and gaskets, places to spring a leak.

    They just got it back from service - Anyone want to bet the mechanic left one of the hose fittings loose? And didn't double-check...

    The Vaporizer takes coolant from the engine for a heat source, and heats the liquid Propane from the fuel tank so it goes from liquid into vapor faster. If they try drawing Propane as a vapor straight from the tank, the tank would ice over and the propane would stop flowing, especially in freezing weather - the Propane gets cold when it vaporizes, and the vapor pressure in the tank drops to near nothing as you get below appx. 30-F to 40-F. (Depending on the ratio of Propane to Butane and other trace gases like Methane.)

    Go feel your barbecue Propane bottle get cold while in use, and the shuttle bus is using fuel 10X to 20X faster.

    (And yes, one of the "Alternative Refrigerants" you can use for your car AC system is a blend of mostly Propane. Needless to say, the Fire Department doesn't think that's such a good idea for the obvious reason.)

    Good thing is, the leak caught fire slowly. The driver had time to pull over and stop safely, and get out. Passengers on board would have only added another 30 seconds to the 'Time to get out' schedule.

    The fire spreading back to the vehicle's Propane tank would have taken lots of time, and most likely it's just the pressure relief valve popping off from the fire heat. Once that valve gets cooked it won't seat closed tight again (the gasket melts), and you have to wait for all the gas to vent and burn off in a controlled manner.

    And if a liquid Propane hose bursts under the vehicle, they have check valves at the tank that snap closed to choke off the majority of the gas - a trickle still gets out, but that's to automatically reset the check valve if it was an accidental trigger. (It happens.)

    Underwriters Laboratories can't prevent fires - but they can insist on designed in safety features so that the fire stays small and controlled. (We deal with this every day in Electrical systems.)

    --<< Bruce >>--
    There's No Place Like 127.0.0.1

  10. #25

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    Re: Propane Fueled Disneyland Shuttle Explodes

    Yikes. Now I'm getting nervous about my upcoming visit! I understand these explosions area rare..but- wow.

    Can anyone help me understand the ART system? I saw the shuttle map on their website, and understand which route I would be on (route 6). I'm staying at the Doubletree. But the map doesn't say *when* it will pickup at my location, or how many hotels stops are left until we arrive at Disneyland.

  11. #26

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    Re: Propane Fueled Disneyland Shuttle Explodes

    Good lord, that's terrifying! I'm amazed the driver was able to get out safely.
    Current hat total: 100 of 100 - completed!

    Duckland
    : Stroll through downtown Duckburg, making sure to tour Scrooge's Money Bin, then cross the Audubon Bay Bridge to St. Canard. Visit Liquidator's Splash Pool, and don't forget a stop by Bushroot Gardens!

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