LR90 Posted November 27, 2005 Share Posted November 27, 2005 OK, I tried to reinflate a flat Disco tyre over the weekend so I could get the jack underneath but coulnd'r get enough volume to reseat it using my compact CO2 setup. Anyone tried using lighter fuel (like our Icelandic friends)? If so how's it done and is it a safe procedure to practice in a crowded Pompey High Street or might I draw attention to myself? Quote Link to comment Share on other sites More sharing options...
BogMonster Posted November 27, 2005 Share Posted November 27, 2005 I saw it done on Clarksons Motorworld a few years ago but they jacked the vehicle up first - I don't think it would work if you haven't got it jacked up (which by the sounds of it you haven't?) On that programme, they jacked it up, got the tyre sitting straight, sprayed lighter fuel around the inside then stood back and sprayed more out of the can and lit the jet, which lit the stuff in the tyre - bang! - back on the rim in a fraction of a second. Never tried it personally but yes I think it would probably lead to being arrested under the anti terrorist laws Quote Link to comment Share on other sites More sharing options...
Gary Posted November 27, 2005 Share Posted November 27, 2005 Hi Trev The old lighter fuel trick.................... this should be interesting make sure somebody catches your efforts on film............................ it'll make great entertainment either way gary Quote Link to comment Share on other sites More sharing options...
LR90 Posted November 27, 2005 Author Share Posted November 27, 2005 Hi TrevThe old lighter fuel trick.................... this should be interesting make sure somebody catches your efforts on film............................ it'll make great entertainment either way gary Uh, yeh, that's what I'm worried about. (well second to being advised by Nige). I've got some old wheels/tyres I could practice in the seclusion of my back yard if need be before I go set fire to the Disco. Be nice to get a couple of hints and tips first though. I mean, how many cans should I empty in the tyre first? Quote Link to comment Share on other sites More sharing options...
LR90 Posted November 27, 2005 Author Share Posted November 27, 2005 I saw it done on Clarksons Motorworld a few years ago but they jacked the vehicle up first - I don't think it would work if you haven't got it jacked up (which by the sounds of it you haven't?)On that programme, they jacked it up, got the tyre sitting straight, sprayed lighter fuel around the inside then stood back and sprayed more out of the can and lit the jet, which lit the stuff in the tyre - bang! - back on the rim in a fraction of a second. Never tried it personally but yes I think it would probably lead to being arrested under the anti terrorist laws Sorry Steve. Missed this. What sort of lighter fuel/canister did they use? I've got an aerosol can we use to refill the kitchen gas ignitor but the nozzle seems difficult to us to just get it to spray gas. Of do they fit a different nozzle to the top of the can. Quote Link to comment Share on other sites More sharing options...
Les Henson Posted November 27, 2005 Share Posted November 27, 2005 I think it's likely that a standard spray nozzle off the wife's hair spray can would do the trick. Les. Quote Link to comment Share on other sites More sharing options...
LR90 Posted November 27, 2005 Author Share Posted November 27, 2005 Well, its 5Mb and very funny: Video And I liked this: The problem is the lack of knowledge of how much to put in. If you survive the first time, then you have an idea, I guess. Most seem to think a strap and CO2 is a better approach. Quote Link to comment Share on other sites More sharing options...
BogMonster Posted November 27, 2005 Share Posted November 27, 2005 Sorry Steve. Missed this. What sort of lighter fuel/canister did they use? I've got an aerosol can we use to refill the kitchen gas ignitor but the nozzle seems difficult to us to just get it to spray gas. Of do they fit a different nozzle to the top of the can. I don't really know - except that it was an aerosol can of some sort and put out a good long spray - he stood back about 4/5 feet from the tyre when it went on. Wasn't really much flame as I remember, just a bang and the tyre popped on! I guess if you put too much in you might end up with 400psi in the tyre which could be interesting Quote Link to comment Share on other sites More sharing options...
LR90 Posted November 27, 2005 Author Share Posted November 27, 2005 I guess if you put too much in you might end up with 400psi in the tyre which could be interesting Yes, there are comments re flying debris!! Seems WD40 might be perfectly acceptable, spray it in, stand back and chuck a match at it. Clever bit is judging how much WD40 to apply and remembering to take the valve core out first so it can suck air in as it cools. Steve, you've got plenty of space and must have a spare tyre or two, fancy setting up a webcam for us and giving it a go Quote Link to comment Share on other sites More sharing options...
landrover598 Posted November 27, 2005 Share Posted November 27, 2005 (edited) By the looks of things, not much is needed This is what they did on top gear, (turn the sound up full) Edited November 27, 2005 by landrover598 Quote Link to comment Share on other sites More sharing options...
Turbocharger Posted November 27, 2005 Share Posted November 27, 2005 If you use WD40 you'll have a rubber tyre full of oil, and they perish. I'd pick something like carb cleaner or de-icer, with a high ether content that'll leach any remainder out of the tyre if it doesn't burn immediately anyway. Quote Link to comment Share on other sites More sharing options...
will_warne Posted November 27, 2005 Share Posted November 27, 2005 I reckon the way this is supposed to work is that you spray on the outside of the tyre and then the resulting vaccum sucks the tyre back onto the bead. If you fill the tyre with lighter fluid I think you'll just blow it off the other side of the bead (as in the first video). Quote Link to comment Share on other sites More sharing options...
GregK Posted November 27, 2005 Share Posted November 27, 2005 I sim to remember that air temperature had to be below zero for gas trick to work. can't remember why but Clarkson did give the rezone. If you fill the tyre with lighter fluid I think you'll just blow it off the other side of the bead (as in the first video). I don't thing it would as when gas is ignited it will draw in oxygen [fuel for fire/explosion] and that's what pops the tyre back on to the rim. I remember once playing as a kid with 2l plastic container that had a drop of petrol in it when ignited and on explosion container expanded with air, making it a tad bigger then it's original size. Lets put it this way I never tried it again. Greg Quote Link to comment Share on other sites More sharing options...
Bush65 Posted November 28, 2005 Share Posted November 28, 2005 I've heard of this many times but never witnessed it. Reminds of the guy that used liquid oxygen to start a charcoal barbecue Whatever you do - do not try that. And don't try using it to re-seat your tyre either, or you wont have a rover left. Quote Link to comment Share on other sites More sharing options...
dollythelw Posted November 28, 2005 Share Posted November 28, 2005 you can use butane but if you go for it remove the valve core - otherwise it goes bang, seats, and then sucks itself back off the bead I prefer, jack it up, clear the carp off the bead, hit it with the endless air/york whatever, job done Quote Link to comment Share on other sites More sharing options...
BogMonster Posted November 28, 2005 Share Posted November 28, 2005 Reminds of the guy that used liquid oxygen to start a charcoal barbecue Whatever you do - do not try that. I can imagine the consequences might include: Barbecued meat/cook/garden/house/neighbourhood? + being prosecuted for "conspiracy to cause an explosion" Quote Link to comment Share on other sites More sharing options...
Ben Reedy Posted November 28, 2005 Share Posted November 28, 2005 My local tyre specialist has a terrifying device consisting of a portable tank that he fills from the compressor then carries over to the tyre. It has a sort of semi-circular manifold with several holes, which he lines up with the bead. Everybody in the workshop cringes and blocks their ears and the poor bloke pulls a trigger, which releases all the air through the holes rather explosively. One loud bang and the tyre is seated. Quote Link to comment Share on other sites More sharing options...
Diff Posted November 28, 2005 Share Posted November 28, 2005 OK, I tried to reinflate a flat Disco tyre over the weekend so I could get the jack underneath but coulnd'r get enough volume to reseat it using my compact CO2 setup.Anyone tried using lighter fuel (like our Icelandic friends)? If so how's it done and is it a safe procedure to practice in a crowded Pompey High Street or might I draw attention to myself? Whichever method you try, you really need to get the weight of the vehicle off it. Even a very high cfm compressor will probably be unable to get enough air in through the valve as the weight of the vehicle will be preventing the bead of the tyre from moving back up from the wheel well onto the wheel rim.(removing the valve core temporarily will allow a lot more air in a lot faster and will certainly help re seat the bead once the weight of the vehicle is off the tyre) If the tyre is so flat that your jack won't fit under the axle, wrap some rope or use a cargo strap under the axle and over the chassis rail. You can then jack up on the chassis(with wood blocks as necessary) and the wheel and axle will lift up with the chassis(as opposed to staying on the ground and the spring stretching as you lift the chassis/body up). Re seating a tubeless tyre which is a bit stubborn if you don't have a high cfm compressor can often be helped by tightening a ratchet strap around the circumference of the tyre. A bit of soapy liquid applied with a paint brush around the wheel/ tyre bead will lubricate it to make it pop on easier too. Regards, Diff Quote Link to comment Share on other sites More sharing options...
dollythelw Posted November 28, 2005 Share Posted November 28, 2005 Ben - machine mart sell them, "bead blaster" or something like that, they look a lot of fun Quote Link to comment Share on other sites More sharing options...
will_warne Posted November 28, 2005 Share Posted November 28, 2005 Jez, your lucky that that happened in sand, its pretty easy to clear that up. Both times mine's come off the rim its happened in mud at (10-15 mph) speed so you carry on a couple of yards filling the tyre with mud. Last time it was so bad it was a struggle to get the tyre into the back of the vehicle again after the change (that was with both me and my co-driver lifting it). I'm still convinced that you don't want to spray anything as volitile as lighter fluid into the tyre, your producing too much gas too quickly. It'll reseat the tyre but the gas will still be expanding and will just blow it off the rim. Liquid oxygen, hahaha. I've seen a couple of close calls with that, normally with liquid oxygen condensing in vapour traps on vacuum pumps. Not good if you've distilling organic solvents.... However, the worst one was someone who managed to put some liquid oxygen in a lab bin; that went up in flames quite smartly! Quote Link to comment Share on other sites More sharing options...
dollythelw Posted November 28, 2005 Share Posted November 28, 2005 I wish it was only on sand Will, 4 or 5 times a day, sand, mud, swamp - simex and no internal beadlocks, never again.......... Quote Link to comment Share on other sites More sharing options...
will_warne Posted November 28, 2005 Share Posted November 28, 2005 I wish it was only on sand Will, 4 or 5 times a day, sand, mud, swamp - simex and no internal beadlocks, never again.......... Oh, I know the deep joy of clearing muck out of the insides of simex. Really not ammusing. The last time it was going dark and it was in deep ruts in about 18" of goo. Out of interest, who's doing your internal beadlockers? Your going for split rim one's aren't you? I need to really sort out a set of 15" rims soonish so they're ready when I switch to 35x11.5x15s. Quote Link to comment Share on other sites More sharing options...
dollythelw Posted November 28, 2005 Share Posted November 28, 2005 split Stazzies, 16x12's on 5 studs, no need to worry ever again (haleigh looooooooooooo lya) Ive got some coming over in the spring if you wanna bump some on? Quote Link to comment Share on other sites More sharing options...
darthdicky Posted November 28, 2005 Share Posted November 28, 2005 This may be a daft question but if this was happening upto 5 times a day, wouldn't it be easier to run the tyres at a slightly higher pressure? Surely the traction and time gained by running them low is lost in the time putting them back on again Richard Quote Link to comment Share on other sites More sharing options...
dollythelw Posted November 28, 2005 Share Posted November 28, 2005 5 mins to pop a tyre back up versus being stuck stuck. its a annoying but no worse than a farting navigator or a mosquito bite somewhere where you didnt think it possible Quote Link to comment Share on other sites More sharing options...
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