I went to use my handtruck , and there was no air in the tires. I tried to refill them with my little compressor, but they’re tubeless, and the seal between the tire and the rim is broken. Air just leaks out as fast as it goes in. How can I get the tires to reseal?
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You can wrap a rope around them and tighten it tourniquet fashion until it seats.
Same answer, same time. Interesting, even use the same word "tourniquet".
Rather than a rope, a ratchet strap or strap clamp works better.Also, apply some soapy water to the contact areas to improve the seal.
If your view never changes you're following the wrong leader
Tie a rope around the center of the tire and use a tourniquet technique to tighten the rope. Compressing the center like this causes the bead to flex outwards and (hopefully) contact the rim.
That was eerie!
Next time you go to use it check to see if it has air in the tires before you roll it. Usually the bead isn't brocken until you rool it without air in it.
Another thing you can do if it has a slow leak is get a can of slime sealant and put it in there. It will seal small holes.
Thanks everybody for your advice; I'll implement all of it ASAP.
ne sutor ultra crepidam
I'm going to tell you this but I dont want to take any shid for it!
I watched a guy at work do this, he filled the tires (handtruck) with propane and lit the gas as it escaped from the valve stem. A small boom and the tire was sealed - that simple. He didnt fill it under presure, just enough to fill the tire loosly(if that makes sense)
I asked him if he'd do it on a car tire and he said he wouldnt because of the amount of gas that a bigger tire can hold but on something this small you really cant get that big of an explosion, but an explosion is what you want!
Doug
I've heard of people doing that with truck tires, though generally it's lighter fluid instead of propane. Of course, I've also heard of people getting their heads blown off with truck tires.
If your view never changes you're following the wrong leader
Years ago I attended a tire training event. They showed a tire (new) being tested for air pressure. They ended up building a special rim as the standard rims failed before the tire. So you have to watch out for flying metal with this propane technique!
I've seen someone use that method to set the bead on a 37 inch off road truck tire. I'm no Capt. Safety, but I thought it was a little dangerous.
I've seen it done with a skid steer tire. Dude used starting fluid and lit it, and boom! Wild, but seated the tire well enough.Chris Webb
Chris' Handyman Service
if someones going out to try the explosion method on a boring sat. spray the starting fluid in the tire then trail right on out on the ground maybe 5 feet,kinda of a fuse ,then light,i prefer to run at this point but thats up to you. larryif a man speaks in the forest,and there's not a woman to hear him,is he still wrong?
Once watched a guy braze a gas tank leak after removing it from the car.
Had a hose running to and inside the tank from the exhaust of a running car. Claimed with no oxygen present it couldn't explode. He was a big guy so I stood behind him kinda crouched over in the event...
I swear I saw an old guy weld a small gas tank with an arc welder with gas in it. He claimed that only the fumes would explode. To this day, I think he may have been pulling my leg and it was full of water. Hes dead, so I cant ask him. I ran and hid outside of the shop! FKA Blue (eyeddevil)
My grandfather ran a small gas station (read as "only gas station") in a tiny Midwest town - he mostly repaired tires (tubes actually), pumped gas, and sold cold pop, candy and tobacco in all forms. Made farm deliveries of gasoline two nights a week.
I have seen him weld on the tank of his home-grown tanker truck with the tank full -- all the way up to the top.
He claimed the same thing - only the vapors would burn / explode.
My father, the chemist, agreed - liquid gasoline does not burn due to a lack of oxygen. Further even when in vapor form when mixed with air, the concentration of gasoline must be between the lower explosive limit and the upper explosive limit for it to burn -- too much or too little = no bang.
I always remember finding some pressing business on the other side of the station when the tank truck needed a little welded patch.
Jim
Never underestimate the value of a sharp pencil or good light.
Yeah, it's amazing how many people think that gasoline explodes (like "a gallon of gasoline is equal to seven sticks of dynamite" *), when it's really gasoline VAPORS, and then only when mixed with the appropriate amount of air.Having said that, it's not at all unusual for a gas tank to explode when someone is welding/soldering it. Even when the tank is completely "dry" there is gas that has been absorbed into the metal and which the heat drives out, creating ideal explosive conditions. Something other than air needs to be in the tank when working on it, and the pressure produced by thermal expansion should be vented off away from the work area.(*) Interestingly, when I Googled the phrase I found it variously equal to 1, 10, 14, 20, and 28 sticks.
If your view never changes you're following the wrong leader
In a similar vein, see this experiment on Insultingly Stupid Movie Physics, near the bottom of page, about trying to ignite gasoline with a lit cigarette.ne sutor ultra crepidam
Yeah, then there was that TV movie about Y2K where they blew up a tank of acetylene by lighting it with a light bulb somehow. Kind of doubly stupid (and that was only that one scene).
If your view never changes you're following the wrong leader
>> ....I found it variously equal to 1, 10, 14, 20, and 28 sticks.<<
You seem to have a pretty decent chemistry background - which do you think is the closest?
I used to work for a chemical company and among our product list was smokeless gunpowder in various burn rates sold to the reloading market.
I still shoot in a trap league with a fellow from the old smokeless powder division. We were talking once about the burn / heat / explosive potentials of smokeless powder within the context of transporting same in a vehicle.
What I asked was the relative energy in a pound of gasoline (which people only rarely consider while driving) VS the energy in a pound of smokeless gunpowder. He said that the energy was about the same if conditions for both burns were idealized (as they rarely, if ever, are in a MV accident).
Smokeless powder needs to have it's pressure well contained to maximize the energy and gasoline needs to be mixed with just the right amount of oxygen to be optimized.
The start of our conversation was a comment by some dimwit on the news who claimed that by transporting a 4 pound cardboard keg of smokeless powder in a car "the driver converted his car into a rolling bomb" -- blithely ignoring the explosive potential of 70+ pounds of gasoline in the fuel tank (her's and the "rolling bomb car").
Jim
Never underestimate the value of a sharp pencil or good light.
I think the comparison is meaningless. I suspect if we looked at the combustion heat content of dynamite (especially under explosive conditions which would result in inefficient combustion), it would take 50 or so sticks of dynamite to equal a gallon of gasoline. And in an ideal FAE situation I'd guess that a gallon of gasoline (plus the appropriate amount of air) would be equivalent to maybe 100 pounds of HE. But of course it would take the volume of a fair sized building for that size FAE, whereas the HE can be buried in a small bomb in the road and blow up an APC.
If your view never changes you're following the wrong leader
And everybody gets there panties in a bunch about LNG tankers coming into port and being a prime terrorist target. They think a suicide bomber is going to blow one of those things up and it will be like a nuke. Wrong.During the Iran Iraq war a fighter plane shot a missile into one of them and all it did was blow a hole in the side of one of the tanks. No big boom.
There was also the case of those wannabe terrorists out east that were going to blow up the fuel pipeline feeding an airport. They envisioned (as did the general -- uninformed -- public) an explosion extending several miles for the length of the pipeline. In fact the best they'd have been able to get would have been a nasty fire that consumed about a city block, and odds are good it would have been much less serious than that.
If your view never changes you're following the wrong leader
I was living in Dallas about 1985 when a backhoe ruptured a 36" underground pipeline that carried jet fuel to DFW. Supposedly it ran from somewhere in east Texas near Tyler to DFW, which had to be more than 100 miles, right under rapidly growing north Dallas. Anyway, the big local all-news radio station was KRLD, home of the Dallas Cowboys, and if I remember correctly, Brad Sham was the prime daytime host. And it just happened that his wife Peggy Sham was working in the mid-rise building 100 feet from where the backhoe was. The opertartor was burned moderatley, the hoe was a total loss, and the fire burned for 2-3 hours. No explosion. I think they closed valves on both sides of the rupture and let it burn out."Put your creed in your deed." Emerson
"When asked if you can do something, tell'em "Why certainly I can", then get busy and find a way to do it." T. Roosevelt
Yeah. Natural gas is a bigger hazard since it can mix with air and create an FAE situation. But liquid fuel is just going to burn unless the vapors are somehow collected in an area.
If your view never changes you're following the wrong leader
(And the classical liquid vapor explosion is a boat, when someone doesn't run the vent fan before trying to start it.)
If your view never changes you're following the wrong leader
(Though LNG tankers are dangerous for a different reason -- the various molecular weights can separate in transit if not constantly stirred, with the result being a sudden boiling of some of the lighter components. More likely to occur due to mismanagement than terrorism, though.)
If your view never changes you're following the wrong leader
"Smokeless powder needs to have it's pressure well contained to maximize the energy "There is a lot missing to compare powder with gasoline.Powder has incorporated oxygen into it's mix, even to the point that the size and shape of the powder crytals as it is formed effect the burn rate when it is ignited.
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I know - very simple example of one factor which affects the final energy realized.
Company made everything from very fast powders for target velocity shotshells up to and including the cannon powders for the destroyer mounted 16" cannons (sewn into silk bags).
Also solid rocket motors for everything from HH SAMs to the solid fuel boosters for the space shuttle.
Actually in the example of a powder keg carried in a car - you would only be dealing with an open air, 0 pressure burn after the cardboard keg ruptured at an unknown (very low) pressure as specified by DOT.
Jim
Never underestimate the value of a sharp pencil or good light.
Edited 10/28/2007 4:43 pm ET by JTC1
A good example of the myths surronding containment energy burns is the old one in the cowboy movies where somebody dumps a box of shells in the campfire and you hear the ricochets starting as the fire explodes the shells...Since it is not contained, most of the casing would erupt right there and neither shell casing nor lead would fly around more than 2-3 feet.
If it did stay contained in the shell until separation, the casing would be the item to fly off and not the lead, being the lesser of the two weights pushing in opposition to each other. By far the majority of the energy would be dissipated, since the powder needs the length of the barrel containment up to 2-3 feet to burn off the gasses and convert that heat energy to mechanical energy.It is all interesting and I am one who believes the gasoline tank would not explode if welded full.By forgive me father, my faith is weak. I'll be over in the corner standing behind rez while somebody else does the welding.
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>>By forgive me father, my faith is weak. I'll be over in the corner standing behind rez while somebody else does the welding.<<
LOL, just like I always remembered some pressing business on the other side of grandpop's gas station when he needed to weld a patch onto the tank of his gasoline tanker.
RE: box of ammo cooking off in a campfire.....
Eddy Eagle (NRA) firearm safety instruction in schools ..... a favorite demo was to take a loaded .30-06 round, set it on a cold hot plate, cover hotplate with a cardboard box and plug in the hotplate. Instructor would never move more than a few feet from the box.
Instructor would totally ignore the hot plate - all the kids cringed in near panic while the instructor covered some basically non-important materials. The round would cook off with a pop. Some kids would ask for bathroom passes. Instructor would solicit a volunteer to come inspect the box -- actual bullet was usually still laying on the hotplate, brass split or maybe just unseated -- nothing would ever penetrate the box.
In areas of the country where the .30-06 was common, they would up the ante and cook off a .458 Win Mag - same results - little bigger pop - much higher priced demo.
Jim
Never underestimate the value of a sharp pencil or good light.
That would be about right. Back when I was in the Army in the early 70's we destroyed a lot, and by a lot I mean millions of rounds of .30-06 of WWII and Korean vintage by burning it in concrete pits. 3 dozen wood pallets soaked with jet fuel, 100,000 rounds of .30-06 in bandoliers and a couple of flares to light it off and sit back and watch the show. After about 5 minutes you begin to get an occasional pop or to but that was it. When we went back the next day to swamp out the pits we very rarely if ever found a shell that had not cooked off.
Your tax dollars at work.
So that's why it didn't work. snorK*
I remember as a kid dreaming up a bomb by having a glass jug of gasoline sitting balanced on a foam cup with an M80 under the cup, the fuse sticking out, thinking the embers of the M80 woukd ignite the gas when the glass broke.
Man, we use to have fun with those M80s. They were the good kind they sold for agriculural purposes,
or from the local guy who made them in his basement, but that's a whole 'nother story.
I actually succeeded in making a small explosion by mixing hydrogen peroxide, cobalt chloride, and alcohol, and lighting it.
If your view never changes you're following the wrong leader
My dad (a chemical engineer) talked about really clean (acid etched) chemical tanks exploding when welded because the super clean metal was like a catalyst that actually broke down water vapor in the air into hydrogen and oxygen.
That seems a bit far-fetched, since you'd still need energy input to dissociate the water. I suppose the metal could oxidize with water and in the process release some free hydrogen, especially in an acid environment.
If your view never changes you're following the wrong leader
I think he was talking about rinsing after acid etching, then welding. I don't know, it's just another thing he told me!
He did tell me his friend's dad tried to prove the thing about gasoline not igniting if you threw a cigarette into it by throwing a cigarette into a pan of gasoline and almost incinerating the three of them! Sure the liquid gasoline is hard to ignite, but there is a layer of vapor above the liquid, and that catches fire quite nicely--often the vapors will travel to a remote source of ignition and then burn back and ignite the gasoline. That's why they tell you to turn off pilot lights when using flammable solvents and glues, etc..
Then it's true...that old codger did weld it! Now that I remember...he told me he learned it in the army. He was a proud tank driver from WWII and they got themselves into a lot of messes and had to worm their way out. He had stories every day....I liked the story of when he and a buddy came across an airplane and they "commandeered" it. Neither knew how to fly, but that didn't stop them. FKA Blue (eyeddevil)
I remember my father , the fire fighter, telling me that the first thing they would do in a garage fire was open the gas cap on any car in the garage then light the fumes coming off the heated tank. Safer to have the exposed gasoline jet burn then to dump the heated fumes into the already burning garage or have the tank fill with fumes to the point of exploding.
They can't get your Goat if you don't tell them where it is hidden.
I discovered, as a dumb youngster, that you can dip your hand in alcohol, apply a lighted match and watch a real cool blue flame envelope your hand. No burn, no pain.
My older brother was a "magician'' when we were kids. He'd have all the cool tricks and would visit local hospitals to do a show for sick kids. I was often his sidekick. He had a few slight of hand gags that used flash paper and some with isopropyl alco. and cotton balls.
I was practicing eating fire, just a cotton ball soaked and lit, when one I was holding got a little hotter than I liked, and before I could get it in my mouth to snuff it out, I flinged it across the room ( our shared bedroom)....oh, it was Ronson Lighter fuel now that I think back ( naptha) any way, it hit the cheap wall to wall carpet and left a flat spot about the size of paint can lid, before I could stomp it out, bare foot, with melted rug goo on my foot.
I learned at that young age that one could concievably go to the back of the closet with a pair of scissors and snip off the pile of said carpet and very, very carefully use duco cement and glue all the little fuzzzies back over the meltdown area good enough to fool mom for quite some time..until we moved out and the security deposit was held back by the Apt. Complex owners, who happened to notice my little repair from 20' away...LOL
We had flash paper that looked like dollar bills, and back in the 70's you could walk into a bank with a lit ciggie and hand the teller a few bills, and just as she reached for them, let the cherry of the ciggy touch the bills..and POOF! they be gone in a flash, blinding the teller...then you get escorted out of the bank, by guys with REAL guns and badges...never did that again.Spheramid Enterprises Architectural Woodworks
"If you want something you've never had, do something you've never done"
hahahahahahaha
Two good stories!
Man, the bank deal. You were one wild kid!
LOL, I think you are really my younger brother. You name is really not Duanne - I know what it really is!Another brother wanted to find out what it was up in that socket that made light come out of a glass bulb. So he unscrewed the bulb and tuck in his thumb instead. We used to ask him if he expected to light up or not.you remember that one?;)
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You talking to ole Nine-Fingers?
If your view never changes you're following the wrong leader
Well yeah!
Remember when mom got you your very first chemistry set? You tried to make TNT? But only made the nitro part and put it in a balloon and threw it at the basement partition wall?
And blew a biggazzed holein the wall? And mom flushed all the chemicals down the toilet?
Yeah, that was us. LOLSpheramid Enterprises Architectural Woodworks
"If you want something you've never had, do something you've never done"
I wonder if anybody ever refinished the desk that I used to set up that chemistry set on....
Welcome to the Taunton University of Knowledge FHB Campus at Breaktime. where ... Excellence is its own reward!
seriously,I was just telling my Mom, she might be glad she has Alzhiemers onset, this way she can forget the hell I put her through..Spheramid Enterprises Architectural Woodworks
"If you want something you've never had, do something you've never done"
Or - for real hell, she might only remember those events and forget all the 'normal' times...once when our folks went away for the weekend, they left me in charge - I was about 12 or so then. They left numbers to call if anything 'serious' happened.One bro cut his arm open so I cleaned it and butterflied it and told him he couldn't go swimming anymore for a couple days.When they got back, Dad said it was a nice job, but probably should have had 9 or 10 stitches and why didn't we call somebody?Thing is - neither me nor bro thought it was anything 'serious' enough to warrant asking for help. We were back to having fun within half an hour...I mean it was only two inches long and a nice clean cut with nothing strange hanging out of it....
Welcome to the Taunton University of Knowledge FHB Campus at Breaktime. where ... Excellence is its own reward!
I got a NICE scar right betwixt my eyes from my brother..I woke him up by tossing a glass of water on him.
He tossed a 19" B&W TV at me, corner got me in the head..same deal, he got it closed with tape before Ma could see how bad it was..and told her I "fell into the TV"...Uh huh.Spheramid Enterprises Architectural Woodworks
"If you want something you've never had, do something you've never done"
Head ones bleed really good!The bro I was originally merging you with in my memory was riding the neighbor's pony back when he was about 9-10 YO. He was doing some pretty good show off stuff like we learned on the Lone ranger and My Friend Flicka. Came galloping around the bend at full tilt for a grande finale in front of everyone.And the cinch slipped.He launched sideways across the road for a good eight feet and was still in the high end of his trajectory when he landed head first in the rock garden there. They don't call them rock gardens for nothing.Anyways, he came up laughing and full of bravado and more machismo than most ten year olds are supposed to know they have coming.Then I casually mentioned, Hey K____, do you know your head is bleeding?So he puts his hand up to touch and when it comes away, the flow really gets going good. His whole hand and forearm are red and it is starting to trickle past his ear...The bravado died like a bug on the windshield while he whooped up a wail to beat the sirens. A few stitches later and he was A-OK though.
Welcome to the Taunton University of Knowledge FHB Campus at Breaktime. where ... Excellence is its own reward!
> And the cinch slipped.I've had that happen. Really kind of a stupid feeling sitting sideways on the horse, and you're pulling at the reins and the stupid horse (who I'm convinced knew EXACTLY what he was doing) refused to stop. Luckily I had the good sense to decide to get off, vs letting myself be dragged. Held onto the reins, though, and the horse stopped dead in his tracks -- he knew exactly WTF was happening, the cursed beast.(You might get the feeling that I'm not entirely fond of horses, or at least not that one.)
If your view never changes you're following the wrong leader
I've known a couple of horses not to be fond ofI can think of couple horses azzes I'm not fond of either - LOL
Welcome to the Taunton University of Knowledge FHB Campus at Breaktime. where ... Excellence is its own reward!
this may have been covered farther down from where I stopped reading ...
but ... like someone elase said ... liquid gas won't light from a match.
might if it's heated ... ? ...
but I can say for fact ...
U take some gas ... fill a bucket ... don't matter how much / how deep ...
and toss a lite match on top ...
match goes out.
always a good time watching most everyone jump away.
too much time as a kid spent with my biker brother in law, I guess.
same guy showed me at around age 10 how a match can burn twice ...
(light it once ... blow it out ... that's one. Take freshly "blown out" match and apply quickly to 10 year olds forearm ... that's twice!)
sounds like child abuse ... but after screaming I laughed by butt off ...
Jeff Buck Construction
Artistry In Carpentry
Pittsburgh Pa
I've heard the same thing--it's the gasoline vapor that is explosive. Still not sure I'd be willing to try it myslef!
That sounds like a lot more fun. Lets try it on a tractor tire! FKA Blue (eyeddevil)
In Iceland a favoured way of putting a tyre on the rim is to squirt in lighter fuel, followed by a lit match. Saves a lot of time.
I have the same problem with my handtruck. I just took it to the gas station and used their compressor. The extra pressure worked for mine.
Had same problem, I took off my belt and pulled it tight around the circumference of the tire and put the air to it. This will work on small tires until they exceed your waist line in circumference.
Virginbuild
Which conveniently allows you to larger and larger tires the older you get.
If your view never changes you're following the wrong leader
just buy some solid rubber tires
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That's happened to me a few times. I got tired of it and just put solid tires on it.
The horse?
If your view never changes you're following the wrong leader