Just watch the fire shoot out the bung hole as it rockets across the garage.
homemade gas tank
- Thread starter r97
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Just watch the fire shoot out the bung hole as it rockets across the garage.
r97
Measure twice cut once
ok, well i welded up the rest of the tank as best i could, then filled with water, it has maybe 8 or so very tiny leaks, so not bad! but i have now spent like 8hrs on it, and it might be worth trying to prevent it from rusting. my parents said they would split the cost with me, so that puts me at like 15 bucks for getting it sealed, not bad!
r97
Measure twice cut once
ok, well as long as i can get these pinholes sealed up it will be no problem! only 3 of the pinholes are actually somewhere where i'm concerned about hoe it looks, so the rest just need to get patched, and won't need to be ground down so much.
r97
Measure twice cut once
ahhh 
! well I accomplished 3 things today.
1. got myself freezing cold.
2. made the tank look worse.
3. somehow i managed to get MORE
ing leaks .....
GRRRRRR.....
! well I accomplished 3 things today.1. got myself freezing cold.
2. made the tank look worse.
3. somehow i managed to get MORE
ing leaks .....GRRRRRR.....
mini chopper
New member
hahaha just keep working at it, you'll get it eventually..... what are you using? mig tig stick? fluxcore wire? if u need any help let me know
Doc Sprocket
*********
Get a little overenthusiastic with the grinder????
BTW- Stay warm. Avoid working naked if you can at all help it.
BTW- Stay warm. Avoid working naked if you can at all help it.
r97
Measure twice cut once
to tell you the truth i have no clue how its leaking. and i'm using flux core which makes it even harder to see where the holes are, and i'm using metal that was 22ga before it got sanded ect, also my welder is rated at 18ga.......
as for being cold, i was fine most of the time but at the end i used the bench grinder (may i add the bench grinder is bolted to nothing so i have to chase it around the garage...) with the wire wheel and no gloves, and it got cold from there.
i know i will get it eventually (assuming i don't run the tank over with a truck first...), but its just an on going process. weld, weld weld, feel like making progress, then burn huge hole, find tons of tiny holes, cant get an arc going anymore, patch everything, grind stuff down, sand it, repeat 5 or six times, several hours later, looks good, bring up stairs, fill with water, then decide it would work better as a strainer, and finally realize you cant mark the holes very well, you have to do your homework, its 8:00pm and your haven't eaten yet, and that you have school tomorrow that you must go to, but know you wont learn a ting and may possibly die of boredom (literally you should have seen the smiley face i drew during ALL of math class today.....)
i'm seriously considering grinding everything off and starting over again.
as for being cold, i was fine most of the time but at the end i used the bench grinder (may i add the bench grinder is bolted to nothing so i have to chase it around the garage...) with the wire wheel and no gloves, and it got cold from there.
i know i will get it eventually (assuming i don't run the tank over with a truck first...), but its just an on going process. weld, weld weld, feel like making progress, then burn huge hole, find tons of tiny holes, cant get an arc going anymore, patch everything, grind stuff down, sand it, repeat 5 or six times, several hours later, looks good, bring up stairs, fill with water, then decide it would work better as a strainer, and finally realize you cant mark the holes very well, you have to do your homework, its 8:00pm and your haven't eaten yet, and that you have school tomorrow that you must go to, but know you wont learn a ting and may possibly die of boredom (literally you should have seen the smiley face i drew during ALL of math class today.....)
i'm seriously considering grinding everything off and starting over again.
Doc Sprocket
*********
Yeesh... Can I suggest you re-do with some better metal? Forming a cylinder with 16 or 18ga may be too tough, but you can probably cheat. Maybe see if you can find a section of pipe or something to begin with? Perhaps an old steel fire extinguisher? There's gotta be a way for you do do this without so many trips to the asylum...
mini chopper
New member
yeh and using flux core makes it harder because it burns through it easier, if u ever change your mind, let me know and ill weld it up in a day and ship** it out nice and shinny and leak free!
EDIT** sorry bout that guys lol
EDIT** sorry bout that guys lol
Doc Sprocket
*********
r97
Measure twice cut once
did a bit more work today, i welded up all i could tell might be a hole, then filled with water, i have a small leak on either end of the seam, and then one leak on either side piece. that said i haven't ground down the welds down yet, hoping to end on an OK note. i'll grind those down tomorrow and patch up the leaks.
Doc Sprocket
*********
It's not a matter of grinding welds off, it's a matter of grinding them smooth for aesthetics.
r97
Measure twice cut once
i know that, but i want it to look nice!
on another note, i took all you guys advice and scraped the old tank. Then spent few hours bending some 16ga sheet to shape with some pipe, a few clamps, scrap wood, a hose clamp, and the hammer. once i had the main part all tacked up i welded the inside, and outside of the seam. then i cut out the sides and welded them on(without burning through once!). after i has finished i hit it with the wire brush on the bench grinder and got all the welds looking shiny, all the welds turned out nice and are good solid beads! i look ed it over, didn't see anything, then before drilling a hole in the top i filled the sink up and dunked it in, no bubles! i mean none! then i drilled the hole in the top, filled it up, let i sit for a bit, no water!!!!!!!!!!!! i got the second tank on my first try!
p.s. you guys don't want to see how ugly the other tank is now!
on another note, i took all you guys advice and scraped the old tank. Then spent few hours bending some 16ga sheet to shape with some pipe, a few clamps, scrap wood, a hose clamp, and the hammer. once i had the main part all tacked up i welded the inside, and outside of the seam. then i cut out the sides and welded them on(without burning through once!). after i has finished i hit it with the wire brush on the bench grinder and got all the welds looking shiny, all the welds turned out nice and are good solid beads! i look ed it over, didn't see anything, then before drilling a hole in the top i filled the sink up and dunked it in, no bubles! i mean none! then i drilled the hole in the top, filled it up, let i sit for a bit, no water!!!!!!!!!!!! i got the second tank on my first try!
p.s. you guys don't want to see how ugly the other tank is now!
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devino246
Official DIYGK Chem Nerd
Sweet! Now your could either: A)Leave it be and paint it. B)Cover the thing in bondo to smooth it out, then paint it. C)Take a chance on grinding the welds down smooth, and paint your perfect tank.
daniel7250
New member
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Thats actually pretty nice r97. although i would have mad the end caps inside the actual cylinder so its nice a smooth 
r97
Measure twice cut once
thanks! i thought about putting the ends in, but decided it would be better/easier to do it this way, and i thought both would look good.
devino, it looks nicer in real life, and i'm pretty happy with all the welds, in-fact i kinda like the look of the welds. with the saying "don't mess with success!" in mind, i'm going to paint it as-is. now i just got to weld on the place for the cap, and a nut for the fuel line.
devino, it looks nicer in real life, and i'm pretty happy with all the welds, in-fact i kinda like the look of the welds. with the saying "don't mess with success!" in mind, i'm going to paint it as-is. now i just got to weld on the place for the cap, and a nut for the fuel line.
robotmickey
Member
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If you drilled the hole for the cap, before you paint it you should dunk it in a bucket of water and then pressurize it to see if bubbles come out. When I made mine, I dunked it and didn't see any bubbles, but once I pressurized it, they came out from all over the place. You can pressurize it with an air compressor or just dunk it and blow into the hole.
Looks nice.
Looks nice.
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