How To Weld On A Fuel Tank
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- Опубликовано: 29 сен 2024
- Jeff's customer wants to repurpose the gas tank. Jeff walks us step by step on how to prep and weld on it.
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I used this method a few years ago on an airplane fuel tank it works great. One correction though, the water and dry ice is not a chemical reaction as such, all that is happening is the dry ice (which is frozen CO2) is sublimating to CO2 gas. The water is just providing heat to melt the dry ice..
Is it normal to have that much arc wander from the tungsten to the material...?
No it’s not normal, at least not for the machine he’s running. It’s an IGBT inverter machine. His tungsten is supposed to be ceriated and sharpened to a 30 degree point and blunted at the very tip. He probably isn’t aware that balking tungsten has gone obsolete. Plus he’s probably using pure tungsten which is something those inverters don’t work well with
welded many gas tanks, just run carbon dioxide thru em... Hook a flex pipe to your tail pipe start your engine and let it run for about 10 minutes.
Do you weld with the cars exhaust running ? Or do you just run it for a few min then weld ?
I have a 76 Jeep j10.. took the tank off.. had veey old green gas in it.. 10 gallons.. interior of the tank is in great shape. But the top of the tank rusted.. i want to cut that off.. and weld a new panel on it. But i smell gas inside the tank still.
Thinking of taking the sending unit out as well to help with the gas.. but i was told by people on forums your method.
But how would running it only a few min fully get gas fumes out ?
I love the appreciation for safety and cleanliness.
Imagine if all welders said "no" I won't weld fuel cells, it would be like a union.....oh wait a second....
if you follow the safety procedures no problem but if the boss says it needs to be welded asap just fill the tank with water what do you do? Weld or refuse.
Welding up a motorcycle gas tank this weekend, i'll fill it with water to push out the fumes, than drain it before welding, i have used a gas sniffer in the past before cutting into a 10,000 gallon fuel storage tank, still makes you think before the torch cuts that first hole.
Great info!!!!
Thanks much for insight!!!!!
That dry ice idea is something that I didn't really consider before but it is sure cheaper than flooding with your welding gas!
Jeff always has great information,,,,,Bravo weld.com and Jeff.......always learning new things from the channel....
@@garthland380 more great information, thanks, Paul
Very good information, thank you.
thanks for the info. how long before the dry ice/C02 depletes itself? cheers.
I dont have any aluminum or stainless tig experience. My tig experience is lift arc only. That said, is it normal for AC tig to have such a rounded electrode tip, and such a short stick-out? I always thought there should be a good point on the electrode. Is that more specifically for jointery, rather than filling oxidized areas?
AC melts the end of the Tungsten so it's normal for the electrode to have a rounded tip when welding Aluminium. Pointed electrodes are used for DC welding on mild & stainless steels.
Jeff, I am posting on FB and with all my welding pals on the internet and FB....cheers, Paul
I been wondering how I fix my 5 gal gas can… this is Kwel trick !! Dry ice ?? Geez why did I think of that !! I just bought mig/tig/ stick welder… learning how use mig and tig… been stick welder for 45 years. Good lesson here !! Thank you !!
Glad i could help share some knowledge to help thanks for watchingg
when adding the dry ice, looks like one of Grandpa's concoctions he gives to Herman Munster......
I not heard of the dry ice method before.How much you use per volume of tank?
co2 is heavier than air
Great camera arc and puddle shots
Great procedure, I have seen a fuel tank explode first hand. Central California watching
That would be scary to see
@@SuperformanceFab
It sent me rolling and knocked my boss on his but the tank went above the power lines and turned inside out.
Actually you are welding on a Fuel Tank, not a cell. People call tanks cells but with out an interior bladder it's just a tank. Doesn't matter if it has baffles or foam. It's just a tank.
Nice job as always
Never ever seen dry ice for sale where I come from can’t image what I would have to pay for it either. Very interesting still.
They sell it at most any welding/gas supplier
Currently doing aluminum boats. However don't have the actual welding certification which is needed to do fuel tanks apparently. Would you happen to know the specific cert required for this?
Put some flex pipe over a tailpipe and pump it into the tank and weld it. Problem solved.
Would it be a good idea to also use a patch over the rewelded area?
Lowly farm welder checking in, I’ve been told more than once that “scabbing” pieces on is considered poor form. There’s the perennial favorite, the cut n’ butt, which is similar in intention. Remove the whole damaged portion and replace it with a flush patch panel.
I think the fact that the “scabbed on” patch isn’t flush to the original surface is what what people think is ugly.
I do it on things I don’t care much about and which aren’t structural.
The oxidation was minor so for this job i just removed the bad material and added some new material on top.
It does not mean that your precautionary measures worked it just means you were careful not to burn thru... j/k 😂
I purged my motorcycle gas tank with Compressed Co2 flowing as i welded. Worked great for me. Prep like you said
Ive also veeb told to use a runnung cars exhaust to fill the tank as youre welding
Just wish for better arc shots,,,good info tho, thanks
I flush these tanks with oxygen because I always wanted to go out with a bang.
don't use dry ice in an enclosed setting, it can lead to oxygen loss and suffocation.
Nice one just make sure the co2 can escape and pressure won't blow out or up.
How much do you charge for the whole job?
What's the best way to get all the water out of a steel tank so rust isn't an issue?
It’s aluminum
marine diesel.. meh
I'll tell you how to weld on a gas tank or a vessel that had flammable material in it, don't see just don't do it, refuse, trust me
Why should I trust you? You're another person making a comment on the Internet - that hardly makes you an expert. Plus, that's a diesel fuel tank.
I wouldn't breathe in the aluminum dust from cleaning off the aluminum metal. Just my take on this metal
Cancer ain’t gonna hurt no one ps RUclips this is a joke
@@anthonykinate18 more likely to get alzheimer's actually.
The guy is about to weld on a gas tank. He isn’t concerned about his health.
Great job!
Could you just realease CO2 gas from a cylinder into the tank, rather than use dry ice?
ice is cheaper