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  1. #21
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    Do not weld on a fuel tank that has had fuel in it! Even if you wash it inside.
    As soon as you start to weld on it the fuel vapors will build up from the fuel still in the fabric of the metal.
    A young man was killed last year by taking a grinder to a 50 gallon drum that was empty but had held some type of hand
    lotion that had a petroleum component. He was in a school shop class and the teacher was not there.

    Even a small lawn mower tank will make a small explosion if you weld on it.
    It does not matter how many times you washed it.

    Go online and read about all the deaths and injuries from welding on tanks that have held a petroleum product.
    This includes diesel,hydraulic etc.,. Many many true stories you can learn from.
    You will not see this stories on the evening news. I wish they would tell some of the stories.

    VIDEO: https://www.youtube.com/watch?v=9DP5l9yYt-g
    Last edited by Luky; 10-14-2018 at 11:37 AM.

  2. #22
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    Quote Originally Posted by Luky View Post
    Do not weld on a fuel tank that has had fuel in it! Even if you wash it inside.
    As soon as you start to weld on it the fuel vapors will build up from the fuel still in the fabric of the metal.
    A young man was killed last year by taking a grinder to a 50 gallon drum that was empty but had held some type of hand
    lotion that had a petroleum component. He was in a school shop class and the teacher was not there.

    Even a small lawn mower tank will make a small explosion if you weld on it.
    It does not matter how many times you washed it.

    Go online and read about all the deaths and injuries from welding on tanks that have held a petroleum product.
    This includes diesel,hydraulic etc.,. Many many true stories you can learn from.
    You will not see this stories on the evening news. I wish they would tell some of the stories.

    VIDEO: https://www.youtube.com/watch?v=9DP5l9yYt-g
    Youíre high as fuck. Welding ainít for everyone.

  3. #23
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    Quote Originally Posted by SamHain View Post
    You’re high as fuck. Welding ain’t for everyone.
    I am a certified welder and a welding inspector through the American Welding Society.
    I have many years of experience welding many things.
    I was a production TIG welder with stainless products for 14 years.
    You have to have 3 years actual experience just to take the welding inspectors exam.
    It is a 6 hour exam with a practical hands on component.
    Go to Welding Web.com and read the safety section.

  4. #24
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    Quote Originally Posted by Luky View Post
    I am a certified welder and a welding inspector through the American Welding Society.
    I have many years of experience welding many things.
    I was a production TIG welder with stainless products for 14 years.
    You have to have 3 years actual experience just to take the welding inspectors exam.
    It is a 6 hour exam with a practical hands on component.
    Go to Welding Web.com and read the safety section.
    Congratulations bud. Then you know damn well of pipe and maintenance welders that exclusively weld on petroleum contaminated pipes and tanks.

  5. #25
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    Quote Originally Posted by Luky View Post
    Do not weld on a fuel tank that has had fuel in it! Even if you wash it inside.
    As soon as you start to weld on it the fuel vapors will build up from the fuel still in the fabric of the metal.

    Hahahha...you got some good drugs man! Thanx for the chuckle...!

  6. #26
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    Quote Originally Posted by SamHain View Post
    Congratulations bud. Then you know damn well of pipe and maintenance welders that exclusively weld on petroleum contaminated pipes and tanks.
    Four workers were killed last year when they were using a 4 inch grinder with cut off wheel to cut a vent line.
    The foreman told management he did not want to risk it, and was told if he did not do it then they would get someone else to do it. He was burned one most of his body. This was at the Tosco refinery in California.
    https://www.csb.gov/federal-investig...t-supervision/
    Last edited by Luky; 10-14-2018 at 7:59 PM.

  7. #27
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    Quote Originally Posted by Luky View Post
    Four workers were killed last year when they were using a 4 inch grinder with cut off wheel to cut a vent line.
    The foreman told management he did not want to risk it, and was told if he did not do it then they would get someone else to do it. He was burned one most of his body. This was at the Tosco refinery in California.
    https://www.csb.gov/federal-investig...t-supervision/
    1999? Working on a pressurized line? Yeah....

    According to the Board's Rosenthal: "The refinery's own procedures directed that the piping should be isolated and drained prior to attempting this kind of repair.
    Here’s me. Sure as fuck still cutting and welding gas tanks for fun, and sure haven’t given up on fuel and oil for money.
    Last edited by SamHain; 10-14-2018 at 9:39 PM.

  8. #28

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    The bottom-line here is, weld at your own risk/within your own experience and comfort level.
    However, just because you read somebody does this or that a hundred times and is still here, will not make it any better if you get hurt! Always, always, ALWAYS, be careful around gastanks. It only takes one mistake to change your life.
    The risk involved in certain procedures can be mitigated by hiring a professional, that's why they make the wages they do. Risk/liability/experience/skill/education is what you are paying for.

  9. #29
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    Quote Originally Posted by Steelsmith View Post
    The bottom-line here is, weld at your own risk/within your own experience and comfort level.
    However, just because you read somebody does this or that a hundred times and is still here, will not make it any better if you get hurt! Always, always, ALWAYS, be careful around gastanks. It only takes one mistake to change your life.
    The risk involved in certain procedures can be mitigated by hiring a professional, that's why they make the wages they do. Risk/liability/experience/skill/education is what you are paying for.

    ...what qualifies as a "Professional"???


    .

  10. #30

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    Quote Originally Posted by chopprs View Post
    ...what qualifies as a "Professional"???


    .
    That's a really good/relevant question!
    The simple answer is: a Professional is one who does something as a part of their profession. This alludes to a certain level of experience as well as training however informal that training might be. I guess getting to 'know your fabricator' would be a wise investment in time. Feedback from prior customers would be in order, just be sure to understand their perspective/wear your filter. Bias replys are the norm, pro or con!
    Some customers don't like to admit when they've been taken. Others, will try to paint their fabricator as a bad-guy after trying to get something for nothing and they won't roll-over. I've found bias communication/communicating through rose-colored glasses. The reality is, if you hire work done, be very explicit in your expectations and do it in writing! That way you should both understand what is expected and put an all-in price/dollar figure on what will be paid.
    Nobody wants to be taken advantage of, not the payer nor the payee!

  11. #31
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    California law says," The training and the safety of the workers is the owners responsibility."
    Now the foreman can also be charged. Or exonerated.

  12. #32
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    Quote Originally Posted by Steelsmith View Post
    That's a really good/relevant question!
    The simple answer is: a Professional is one who does something as a part of their profession. This alludes to a certain level of experience as well as training however informal that training might be. I guess getting to 'know your fabricator' would be a wise investment in time. Feedback from prior customers would be in order, just be sure to understand their perspective/wear your filter. Bias replys are the norm, pro or con!
    Some customers don't like to admit when they've been taken. Others, will try to paint their fabricator as a bad-guy after trying to get something for nothing and they won't roll-over. I've found bias communication/communicating through rose-colored glasses. The reality is, if you hire work done, be very explicit in your expectations and do it in writing! That way you should both understand what is expected and put an all-in price/dollar figure on what will be paid.
    Nobody wants to be taken advantage of, not the payer nor the payee!
    ...so that would include like maybe someone that is an Aeronautical Engineer and builds custom bikes for a living???

  13. #33

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    In answer as to who should weld on gastanks? Only those who KNOW, without a doubt, they have done the right prep/purge and there is no-way, for an explosive result. If you have ANY doubt, pay a Professional.
    An exploding tank is life-changing, if you take that risk, consider the cost first.

  14. #34
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    Quote Originally Posted by chopprs View Post
    ...so that would include like maybe someone that is an Aeronautical Engineer and builds custom bikes for a living???
    If you are the owner of a business and also do the work,
    you would need to know OSHA rules in California just for your own safety and safety of your neighbors.
    These rules are easy to obtain.

  15. #35

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    Certainly no disrespect towards 'Luky' but, mentioning Laws in California, OSHA, Lawsuits etc, while relevant to where he is located and his Profession tends to breed contempt here.
    Not trying to censor anyone but, know your audience. A more palatable tact might be to point out the underlying logic/safety concerns, less the litigious nature wrapping most things from California.
    Having lived in SoCal decades ago, I understand most believe their State to be the center of the Nation. Having spent the intervening years anywhere but California, I'm here to say, it's just not so ...

  16. #36
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    This ain't goin' nowhere...since this is in the How TO: Tech section, and now that we know about welding, how about showing the skills and techniques needed - gas tanks that got chopped and welded; such as this:
    Harley Gas Tank Chop and Custom Paint
    Click image for larger version. 

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    Click image for larger version. 

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    http://garagebuiltchoppers.com/custo...-custom-paint/
    Last edited by TriNortchopz; 10-17-2018 at 7:45 AM.

  17. #37
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    I built this bike a few years back. I couldn't find a tank I liked so I made these. It is two tanks like on a Knuck/Pan/Shovel. I started with two flat pieces for the inners... I think it was the hardest thing I ever did building bikes. It took me a month!
    ...and yep, I used a welder! LOL



    Last edited by chopprs; 10-17-2018 at 7:39 AM.

  18. #38

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    That's a very nice example of a hand crafted gastanks! The rest of the bike is very appealing too, congratulations on a build well done.

  19. #39

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    Trinorthchopz, an excellent example of a heavily modified/remanufactured used tank. This goes to show how clean modifications can be done if they are well planned.

  20. #40
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    Quote Originally Posted by Steelsmith View Post
    heavily modified/remanufactured used tank.

    ...not sure what this means but I pounded this shit all from a flat sheet of steel. There was nothing heavily modified or remanufactured. If you have ever done it you know how much work it is and how long it takes. If you have never made a set of tanks from scratch there is no way that you can even imagine...BTW, I made the fender too. That was much easier!

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