James T. Smoke could be seen for several miles". Daum said the man was in the garage and was trying to use a shop vacuum to siphon gasoline from a boat gas tank, "and it must have ignited from a spark.
I just had to call my brother Hey y'all, Watch this. Didn't MythBusters do an episode on this? Red Mundus. He probably first tried the old fashioned way but forgot to pull out. This guy must be a Florida transplant, because if he's a Wisconsin native, I think I'll have to leave the state. You do need a spark to ignite gas fumes. Most gas station fires are caused by static sparks from touching the frame of the car when you're grounded and it is not. I think that was a Mythbusters episode too.
The answer is to grasp the frame of your car then touch the ground when you get out. You don't get a shock and you don't potentially ignite a fireball of burning death. Think this thread needs a little fire Last winter I used a shop vac in reverse to accelerate burning brush in my backyard. We can only burn from 10a to 4p I switched off the shop vac so we could get close enough to the fire to push the embers into a pile and some of the smoke and particulates made their way back into the it.
When I turned it back on it blew the top off the shop vac and lit the fringe of my ripped jeans on fire. I snapped the top back on and it worked though. It can happen. Just curious but how do you empty a boat's gas tank? Having no working knowledge of combustion, shopvacs, or boats, I admit I would have likely come up with this cunning plan too.. The subsequent explosion would have been like God planting His sized-infinite workboot right in the meat of my ass.
Anyway, I vote for a PSA tag. My dad decided to "fix" a piece of junk vacuum cleaner by spraying liberal amounts of WD into the running partially disassembled motor. Note, motor brushes cause sparks. The built-in ones you have to pump out or run dry. It sucks. I knew a guy who blew up a shop vac trying to steal gas out of his dads boat. Friend in Florida?
Portland, OR but he would fit in well in Florida. Richard Saunders. Hod Tamn. Largely confined. That's interesting. What sidebar ad? AdBlock FTW! It all depends on the design and condition of the shop-vac.
A brand-new one might not be as likely to ignite the gas, but as the motors age the commutator and brushes which virtually all vacuum motors have wear and start sparking more and more. Even a brand-new motor sparks a little. And the port where the air pulled through the vacuum cleaner escapes is usually right near the motor. He went to his neighbor's house -- his neighbor was using a shop-vac to get the sediment off the bottom of the gas tank in his boat.
The fumes went through the shop-vac and turned it into a turbine engine. They hooked it up to a shop-vac for five minutes to see if they could get an explosion. No explosion. It turns out that the shop-vac that they had chosen, like most new shop-vacs, has a safety feature: the motor is isolated from the tank and air running through the tank, so the motor can't spark the fumes.
Happy with this discovery, they decide to rig a worst-case shop-vac: short-circuit and a hole drilled through to allow the spark to reach the fumes. They also added more gas to the gas can. The Vacuum Man showed Tory an older vacuum that was capable of sparking fumes into a fire.
This proved that it's possible for a vacuum to catch on fire, but it didn't turn into a jet engine. With this in mind, Tory was tasked with replicating the results of the myth, i. First try: no ignition. Tory moved the ignitor to the end of the engine. Second try: still no ignition.
Tory then tried an open flame at the end of the chamber: finally, ignition. There was a tiny, tiny bit of thrust when the vacuum motor started, but for the most part it just tossed flames around the chamber. Jamie's explanation: "The whole concept of a vacuum cleaner being a jet engine is all wrong.
It goes against the principles that make jet engines. Vacuum cleaner create vacuums, that's low pressure. A jet engine works by creating more pressure, which completes the compression, so it's just not practical.
It may not have become a jet engine, but it did make a pretty decent flame thrower. Check out this video.. After you finish with the gas, you can dry it out by sweeping up the hot ashes from your fireplace! It was kids that were doing it. Did you hear one kid say "We definitely can't tell Mom and Dad? What I meant was, there seemed to be two "older kids" around and then two younger ones around.
I would have to watch it again to be exactly sure. I saw this episode too. They tried pretty hard to get it to ignite, but couldn't. But I don't doubt that with the right vac under just the right conditions it could explode. And of course anyone doing this with a shop vac is an idiot. Reminds me of a teacher back in high school.
He decided to use a shop vac to suck water out of his swimming pool, which might not be such a bad idea, if there was a small amount on the bottom of the pool.
But he did it by taking the top part of the vacuum and holding it while standing in the pool water, thereby electrocuting himself. Squeeze the ballon thing and it starts to go.
Not exactly what I was talking about but same idea. Siphon Kit at Hrabor Freight for 9. Only use it to get the siphoning started. You can also put the hose into the tank and wrap a rag around the hose and push it into the filler hole. Blow into the hose to build pressure in the tank. The rag will contain the pressure. When you have enough pressure in the tank it will start pushing fuel back through the hose.
Once it starts you can remove the rag. I've done this many times as a kid getting gas out of dad's truck for my motorcycle Best way to do a contaminated tank is to pull it when you have the fuel level low enough then take it and have it boiled out.
You wouldnt believe the amount of varnish buildup on a 30 year old tankand pickup screen on the sending unit. Good time to remove and clean and replace the gasket. Good for another 30 that way. Cost me 40 bucks to do mine. Originally posted by thumping You can also put the hose into the tank and wrap a rag around the hose and push it into the filler hole.
Originally posted by Madgyver Once you get it started pull the vac nozzle out and gravity will do the rest. Still don't think it's a good idea. Besides the sparky open frame motor, vacuums create a heck of a lot of static electricity. So, just as you're pulling the vac nozzle out of the gas can Sliding across the car seat creates static electricity which can cause a spark when removing the nozzle from the tank.
My ShopVac nozzle is plastic. I guess it's like using your cell phone while filling gas FFor crying out loud, using a shop vac is like using a hand gun to clear your nose.
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