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  1. #1
    Junior Member bman2112's Avatar
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    Little Lesson concerning acetylene from an FJ Owner

    Got this on another forum, pics in the link. Keeps acetylene tank in vehilce, smelled gas from garage and vehicle, aired out both for a while, started FJ backed out garage, hit the window button and "BOOM".

    http://www.toyota-4runner.org/5th-ge...-fj-owner.html

    So here's the full story in his own words that he posted on CT4WD:

    "Im a journeyman plumber by trade and a 5 cubic foot 'B' tank of acetylene is an extremely common tool within the trade. At the end of the day the tank gets put in the back of the truck like everything else and forgotten about. Well it was moving around and bumped the key that shuts the main valve off. It slowly leaked overnight. i walked into the garage i could smell the gas, i opened the big door to air it out, then i opened the truck and wow it was overwhelming. i aired the truck out for 5 minutes and when i felt the truck was cleared out enough i fired it up and drove it out to the alley. i wanted to roll the pass window down to get a breeze for the way to work. the instant i touched the window button, everything went orange and i was pinned to the seat by the airbags.

    It was the fuel within the doors and fenders and under the console that didnt get aired out before that i didnt think about. Acetylene is much heavier than air and has a flammability % of 2.5 to 82%. by comparison natural gas is 5 to 15%.

    i lost my hearing in my right ear and got a bump on the back of my melon. im very grateful to be alive, and the lesson learned is to NEVER be complacent about the little stuff.

    Tie your bottles up correctly for transport, and do not store them overnight in an enclosed area.

    Im not embarrassed or mad about the issue or story getting around, quite the opposite actually. I hope someone sees this and learns about the dangers of flammable gasses in an enclosed space.

    As far as the fj goes I settled already with the insurance and am in the process of ordering a 2012 TT 6M. There are only going to be 125 TT total for canada, 15 manuals only. im going to have one."

  2. #2
    derailleurs are overrated bigbenaugust's Avatar
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    I have a certain sense of deja-vu here.

    http://www.bikeforums.net/showthread...ight=acetylene
    --Ben
    Carrboro Bike Coalition - putting the "bike" in "CARrboro" :)
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    Previously: 2000 Trek 4500 (2000-2003), 2003 Novara Randonee (2003-2006), 2003 Giant Rainier (2003-2008), 2005 Xootr Swift (2005-2007), 2007 Nashbar 1x9 (2007-2011)
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  3. #3
    Gears? CliftonGK1's Avatar
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    First rule of transporting and storing liquid or compressed gas cylinders: SECURE YOUR TANKS.
    I learned it from my father as a little kid, going with him to get our LP tanks filled for the grill.
    It was reinforced in my SCUBA classes.
    It was reinforced again when I took a laboratory job involving CO2 and N2 tank exchanges.
    "I feel like my world was classier before I found cyclocross."
    - Mandi M.

  4. #4
    Junior Member bman2112's Avatar
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    Quote Originally Posted by bigbenaugust View Post
    I have a certain sense of deja-vu here.

    http://www.bikeforums.net/showthread...ight=acetylene
    I fail, didn't realize this happened last year.

  5. #5
    Papaya King waynesworld's Avatar
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    Quote Originally Posted by bman2112 View Post
    I fail, didn't realize this happened last year.
    So what? I missed this previously, and those pics are awesome! Good reminder too.
    Quote Originally Posted by rumrunn6 View Post
    walk right in and punch the first guy you meet in the head
    2011 BMC SR02, 2010 Kona Jake, 2009 Felt X City D, 1984 (?) Trek 400, 1995 Trek 850

  6. #6
    Senior Member ModoVincere's Avatar
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    What a waste of perfectly good acetylene.
    That stuff can be lots of fun..it's heavier than air. You can take a metal coffee can, poke a few "air mixing" holes around the lip, fill it with acetelyne, turn it upside down.....back away and toss a match. I've seen an estimated 100ft launch.
    1 bronze, 0 silver, 1 gold

  7. #7
    Papaya King waynesworld's Avatar
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    Quote Originally Posted by ModoVincere View Post
    What a waste of perfectly good acetylene.
    That stuff can be lots of fun..it's heavier than air. You can take a metal coffee can, poke a few "air mixing" holes around the lip, fill it with acetelyne, turn it upside down.....back away and toss a match. I've seen an estimated 100ft launch.
    Cool! I want to see the video!
    Quote Originally Posted by rumrunn6 View Post
    walk right in and punch the first guy you meet in the head
    2011 BMC SR02, 2010 Kona Jake, 2009 Felt X City D, 1984 (?) Trek 400, 1995 Trek 850

  8. #8
    Senior Member ModoVincere's Avatar
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    Quote Originally Posted by waynesworld View Post
    Cool! I want to see the video!
    What video?
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  9. #9
    Juicy, Sweet Member ahsposo's Avatar
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    Quote Originally Posted by ModoVincere View Post
    What video?
    The one you'll shoot later tonight after you've had a few.
    Quote Originally Posted by 3alarmer View Post
    This reminds me why I never go into road...........thanks guys.

  10. #10
    Papaya King waynesworld's Avatar
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    Quote Originally Posted by ModoVincere View Post
    What video?
    Uh...a video of the 100ft launch.
    Quote Originally Posted by rumrunn6 View Post
    walk right in and punch the first guy you meet in the head
    2011 BMC SR02, 2010 Kona Jake, 2009 Felt X City D, 1984 (?) Trek 400, 1995 Trek 850

  11. #11
    Senior Member ModoVincere's Avatar
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    Quote Originally Posted by waynesworld View Post
    Uh...a video of the 100ft launch.
    what video?
    1 bronze, 0 silver, 1 gold

  12. #12
    Look! My Spine! RubenX's Avatar
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    Tires held up pretty good.
    "Hoy es un dia normal, pero yo voy a hacerlo intenso" ~ Juanes

  13. #13
    Northern Rider nondes's Avatar
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    I wonder if that happened to bikes in the old days when they used carbide/acetylene lamps?

  14. #14
    Senior Member DannoXYZ's Avatar
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    Reminds me of that nitrous-tank explosion in a guy's garage a couple years back.

  15. #15
    Senior Member bikecrate's Avatar
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    A few years back some locals filled a bunch of ballons with an explosive gas for a 4th of July celebration. I think it was acetylene. Then they stuffed them into the back of their car and took off. At some point during the trip a spark caused by friction set them off. I believe they survived but it blew out the windows on their car.

  16. #16
    Pedaled too far. Artkansas's Avatar
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    This is just another argument in favor of hand-operated window cranks.
    "He who serves all, best serves himself" Jack London

    Quote Originally Posted by Bjforrestal View Post
    I don't care if you are on a unicycle, as long as you're not using a motor to get places you get props from me. We're here to support each other. Share ideas, and motivate one another to actually keep doing it.

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