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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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WD40 in a woodburner
Ever wondered what happens if you put a can of WD40 in a woodburner?
https://www.facebook.com/hollandshar...type=2&theater or http://tinyurl.com/pwkw4bd Not something to try at home! |
#2
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WD40 in a woodburner
On Wed, 21 Oct 2015 14:29:00 +0100, Chris Hogg wrote:
On Wed, 21 Oct 2015 13:54:36 +0100, Part Timer wrote: Ever wondered what happens if you put a can of WD40 in a woodburner? https://www.facebook.com/hollandshar...type=2&theater or http://tinyurl.com/pwkw4bd Not something to try at home! Says a lot about the people who use Facebook? Yes, the moron can't even hold his phone the right way round. -- Graham. %Profound_observation% |
#3
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WD40 in a woodburner
"Part Timer" wrote in message
... Ever wondered what happens if you put a can of WD40 in a woodburner? https://www.facebook.com/hollandshar...type=2&theater or http://tinyurl.com/pwkw4bd Not something to try at home! I was surprised at how long it took before the can exploded. I would have expected the plastic valve near the nozzle to melt quicker than that, and maybe to cause an impressive jet of flame for a while before the whole can exploded. |
#4
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WD40 in a woodburner
On 21/10/2015 15:30, NY wrote:
"Part Timer" wrote in message ... Ever wondered what happens if you put a can of WD40 in a woodburner? https://www.facebook.com/hollandshar...type=2&theater or http://tinyurl.com/pwkw4bd Not something to try at home! I was surprised at how long it took before the can exploded. I would have expected the plastic valve near the nozzle to melt quicker than that, and maybe to cause an impressive jet of flame for a while before the whole can exploded. Bloody hell, assuming it was a *full* can that must be more than a hand-grenade's worth of energy inside a not very strong cast iron box. |
#5
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WD40 in a woodburner
"Huge" wrote in message
... On 2015-10-21, newshound wrote: On 21/10/2015 15:30, NY wrote: "Part Timer" wrote in message ... Ever wondered what happens if you put a can of WD40 in a woodburner? https://www.facebook.com/hollandshar...type=2&theater or http://tinyurl.com/pwkw4bd Not something to try at home! I was surprised at how long it took before the can exploded. I would have expected the plastic valve near the nozzle to melt quicker than that, and maybe to cause an impressive jet of flame for a while before the whole can exploded. Bloody hell, assuming it was a *full* can that must be more than a hand-grenade's worth of energy inside a not very strong cast iron box. ... inside a building. What a maroon. OK to lob a can on a bonfire then?:-) -- Adam |
#6
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WD40 in a woodburner
On 21 Oct 2015 18:09:24 GMT, Huge wrote:
I was surprised at how long it took before the can exploded. I would have expected the plastic valve near the nozzle to melt quicker than that, and maybe to cause an impressive jet of flame for a while before the whole can exploded. Bloody hell, assuming it was a *full* can that must be more than a hand-grenade's worth of energy inside a not very strong cast iron box. ... inside a building. What a maroon. Perhaps he was trying to summon a lifeboat. G.Harman |
#7
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WD40 in a woodburner
On Wednesday, 21 October 2015 19:14:08 UTC+1, ARW wrote:
"Huge" wrote in message ... On 2015-10-21, newshound wrote: On 21/10/2015 15:30, NY wrote: "Part Timer" wrote in message ... Ever wondered what happens if you put a can of WD40 in a woodburner? https://www.facebook.com/hollandshar...type=2&theater or http://tinyurl.com/pwkw4bd Not something to try at home! I was surprised at how long it took before the can exploded. I would have expected the plastic valve near the nozzle to melt quicker than that, and maybe to cause an impressive jet of flame for a while before the whole can exploded. Bloody hell, assuming it was a *full* can that must be more than a hand-grenade's worth of energy inside a not very strong cast iron box. ... inside a building. What a maroon. OK to lob a can on a bonfire then?:-) -- Adam I've seen it done (with a can of spray paint) The can shot out of the fire like a rocket. I think a can of easy start might be interesting. Or a propane cylinder. |
#8
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WD40 in a woodburner
On 22/10/2015 06:58, harry wrote:
On Wednesday, 21 October 2015 19:14:08 UTC+1, ARW wrote: "Huge" wrote in message ... On 2015-10-21, newshound wrote: On 21/10/2015 15:30, NY wrote: "Part Timer" wrote in message ... Ever wondered what happens if you put a can of WD40 in a woodburner? https://www.facebook.com/hollandshar...type=2&theater or http://tinyurl.com/pwkw4bd Not something to try at home! I was surprised at how long it took before the can exploded. I would have expected the plastic valve near the nozzle to melt quicker than that, and maybe to cause an impressive jet of flame for a while before the whole can exploded. Bloody hell, assuming it was a *full* can that must be more than a hand-grenade's worth of energy inside a not very strong cast iron box. ... inside a building. What a maroon. OK to lob a can on a bonfire then?:-) -- Adam I've seen it done (with a can of spray paint) The can shot out of the fire like a rocket. I think a can of easy start might be interesting. Or a propane cylinder. If you watch videos of fires on the news, something normally "blows" on LPG cylinders and you get a jet of flame, insufficient to turn it into a rocket, and the cylinder itself doesn't explode. It *might* be that the same happened in this case and that it was the containment provided by the woodburner, probably the windows or the lid, which "blew". |
#9
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WD40 in a woodburner
newshound wrote:
On 22/10/2015 06:58, harry wrote: On Wednesday, 21 October 2015 19:14:08 UTC+1, ARW wrote: "Huge" wrote in message ... On 2015-10-21, newshound wrote: On 21/10/2015 15:30, NY wrote: "Part Timer" wrote in message ... Ever wondered what happens if you put a can of WD40 in a woodburner? https://www.facebook.com/hollandshar...type=2&theater or http://tinyurl.com/pwkw4bd Not something to try at home! I was surprised at how long it took before the can exploded. I would have expected the plastic valve near the nozzle to melt quicker than that, and maybe to cause an impressive jet of flame for a while before the whole can exploded. Bloody hell, assuming it was a *full* can that must be more than a hand-grenade's worth of energy inside a not very strong cast iron box. ... inside a building. What a maroon. OK to lob a can on a bonfire then?:-) -- Adam I've seen it done (with a can of spray paint) The can shot out of the fire like a rocket. I think a can of easy start might be interesting. Or a propane cylinder. If you watch videos of fires on the news, something normally "blows" on LPG cylinders and you get a jet of flame, insufficient to turn it into a rocket, and the cylinder itself doesn't explode. As the Glasgow airport "bombers" found out. Such cylinders are fitted with a fusible plug that is designed to melt and release the contents rapidly rather than explosively. Tim |
#10
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WD40 in a woodburner
"Tim+" wrote in message
... I was surprised at how long it took before the can exploded. I would have expected the plastic valve near the nozzle to melt quicker than that, and maybe to cause an impressive jet of flame for a while before the whole can exploded. Bloody hell, assuming it was a *full* can that must be more than a hand-grenade's worth of energy inside a not very strong cast iron box. If you watch videos of fires on the news, something normally "blows" on LPG cylinders and you get a jet of flame, insufficient to turn it into a rocket, and the cylinder itself doesn't explode. As the Glasgow airport "bombers" found out. Such cylinders are fitted with a fusible plug that is designed to melt and release the contents rapidly rather than explosively. Yes, that's what I'd expect to happen with an aerosol can: that the valve in the nozzle would melt and release the contents, rapidly rather than explosively, long before the pressure built to the point where the metal of the can sheared at its weakest point and dumped its contents explosively. Even an inert propellant will increase in pressure enough to make the can rip open; if the propellant or payload is flammable, then that makes things even more dramatic - which is what you'd think they'd want to avoid with aerosol cans. |
#11
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WD40 in a woodburner
On Thursday, October 22, 2015 at 7:53:19 AM UTC+1, newshound wrote:
On 22/10/2015 06:58, harry wrote: On Wednesday, 21 October 2015 19:14:08 UTC+1, ARW wrote: "Huge" wrote in message ... On 2015-10-21, newshound wrote: On 21/10/2015 15:30, NY wrote: "Part Timer" wrote in message ... Ever wondered what happens if you put a can of WD40 in a woodburner? https://www.facebook.com/hollandshar...type=2&theater or http://tinyurl.com/pwkw4bd Not something to try at home! I was surprised at how long it took before the can exploded. I would have expected the plastic valve near the nozzle to melt quicker than that, and maybe to cause an impressive jet of flame for a while before the whole can exploded. Bloody hell, assuming it was a *full* can that must be more than a hand-grenade's worth of energy inside a not very strong cast iron box. ... inside a building. What a maroon. OK to lob a can on a bonfire then?:-) -- Adam I've seen it done (with a can of spray paint) The can shot out of the fire like a rocket. I think a can of easy start might be interesting. Or a propane cylinder. If you watch videos of fires on the news, something normally "blows" on LPG cylinders and you get a jet of flame, insufficient to turn it into a rocket, and the cylinder itself doesn't explode. It *might* be that the same happened in this case and that it was the containment provided by the woodburner, probably the windows or the lid, which "blew". Not true. Many years ago I witnessed, at a distance of a bout a 1/2 mile, a fire at a Propane gas store. Numerous gas bottles at times were blown high into the air. |
#12
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WD40 in a woodburner
OK to lob a can on a bonfire then?:-) -- Adam I've seen it done (with a can of spray paint) The can shot out of the fire like a rocket. I think a can of easy start might be interesting. Or a propane cylinder. If you watch videos of fires on the news, something normally "blows" on LPG cylinders and you get a jet of flame, insufficient to turn it into a rocket, and the cylinder itself doesn't explode. It *might* be that the same happened in this case and that it was the containment provided by the woodburner, probably the windows or the lid, which "blew". Not true. Many years ago I witnessed, at a distance of a bout a 1/2 mile, a fire at a Propane gas store. Numerous gas bottles at times were blown high into the air. If that was the fire in Croydon in the 1970s, I saw it too but from Wimbledon perhaps six miles away. Spectacular. |
#13
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WD40 in a woodburner
On Thursday, October 22, 2015 at 7:53:19 AM UTC+1, newshound wrote:
On 22/10/2015 06:58, harry wrote: On Wednesday, 21 October 2015 19:14:08 UTC+1, ARW wrote: "Huge" wrote in message ... On 2015-10-21, newshound wrote: On 21/10/2015 15:30, NY wrote: "Part Timer" wrote in message ... Ever wondered what happens if you put a can of WD40 in a woodburner? https://www.facebook.com/hollandshar...type=2&theater or http://tinyurl.com/pwkw4bd Not something to try at home! I was surprised at how long it took before the can exploded. I would have expected the plastic valve near the nozzle to melt quicker than that, and maybe to cause an impressive jet of flame for a while before the whole can exploded. Bloody hell, assuming it was a *full* can that must be more than a hand-grenade's worth of energy inside a not very strong cast iron box. ... inside a building. What a maroon. OK to lob a can on a bonfire then?:-) -- Adam I've seen it done (with a can of spray paint) The can shot out of the fire like a rocket. I think a can of easy start might be interesting. Or a propane cylinder. If you watch videos of fires on the news, something normally "blows" on LPG cylinders and you get a jet of flame, insufficient to turn it into a rocket, and the cylinder itself doesn't explode. It *might* be that the same happened in this case and that it was the containment provided by the woodburner, probably the windows or the lid, which "blew". Not true. Many years ago I witnessed, at a distance of a bout a 1/2 mile, a fire at a Propane gas store. Numerous gas bottles at times were blown high into the air. See https://www.youtube.com/watch?v=LFj28hoioAc Truck carrying gas cylinders crashes and catches fire. From about 2:50 onwards gas cylinders are rocketing in all directions from the fire. Mike |
#14
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WD40 in a woodburner
"Muddymike" wrote in message
om... See https://www.youtube.com/watch?v=LFj28hoioAc Truck carrying gas cylinders crashes and catches fire. From about 2:50 onwards gas cylinders are rocketing in all directions from the fire. Good thing they weren't acetylene cylinders. Apparently they are even more dangerous. When roads and railway lines are closed due to a fire and a several-hundred metre exclusion zone, it's usually acetylene (and associate oxygen) cylinders from oxy-acetylene welding kit. There was a fire at a garage just down the road from me about 8 years ago and that started in welding equipment - and then spread to the underground petrol tanks. http://news.bbc.co.uk/1/hi/england/o...re/7219206.stm - luckily I lived just outside the exclusion zone so I wasn't evacuated, and I managed to work my way round to the other side (driving several miles to do what was about 1/4 mile) and took some of the photos in the article. The noise of the explosions was *very* loud. The fire brigade set up a "paddling pool" of water into which they could dump any hot acetylene cylinders that had not exploded, which is not a job you'd get me doing: transporting a cylinder that could explode at any moment. The garage site was a mess for several years until insurance and liability was finally sorted out and the place was rebuilt. A friend's car had a lucky escape: he was due to leave it there overnight to have a new tyre fitted but decided instead to call back with the car in the morning, so it escaped going up in flames. Mind you, even inert compressed gas is dangerous. My A level chemistry teacher had taught "in industry" before becoming a teacher and he worked in a building near Heathrow. One of the young engineers (who should have known better) tried to unscrew the main valve-plus-gauge unit from a big 4-foot nitrogen cylinder, possibly when he should have been unscrewing a hose from it. The valve blew off, shot through the ceiling and was found several miles away just inside the perimeter fence of Heathrow by a routine security patrol. The cylinder was pushed through the floor and buried itself in the concrete floor below. No trace of the engineer was found. And that's due to pressure alone - nitrogen is not flammable. |
#15
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WD40 in a woodburner
I've seen it done (with a can of spray paint) The can shot out of the fire like a rocket. I think a can of easy start might be interesting. Or a propane cylinder. Many years ago, about 1960, coming back from school of a winter evening I witnessed a fire in one of my fathers rented artisan workshops. A cylinder of dissolved acetylene went up, and I do mean up. As in a rocket. The cylinder went through the roof and continued skyward. DA cylinders are bl**dy heavy. It was found the next morning about 50 yards away. Gutted the workshop and those adjoining it. Nobody hurt fortunately. Fire brigade sorted the fire. Roof gone but structure sound. Re-roofed and refitted. Workshops still in use today |
#16
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WD40 in a woodburner
On Thu, 22 Oct 2015 16:23:10 +0100, Tim Streater wrote:
A cylinder of dissolved acetylene went up ... Dissolved in what? Acetone, usually. https://en.wikipedia.org/wiki/Acetyl...y_and_handling |
#17
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WD40 in a woodburner
En el artículo , NY
escribió: No trace of the engineer was found Not even blood and gory bits? -- (\_/) (='.'=) Bunny says: Windows 10? Nein danke! (")_(") |
#18
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WD40 in a woodburner
"Tim Streater" wrote in message
.. . In article , Nick wrote: A cylinder of dissolved acetylene went up ... Dissolved in what? I believe it's in acetone. The cylinder has a honeycomb structure inside to act as baffles to stop the acetone and dissolved acetylene from sloshing around too much because that might cause it to self-detonate. Acetylene cylinders really are not to be trifled with :-( |
#19
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WD40 in a woodburner
On 22/10/2015 14:31, NY wrote:
Mind you, even inert compressed gas is dangerous. My A level chemistry teacher had taught "in industry" before becoming a teacher and he worked in a building near Heathrow. One of the young engineers (who should have known better) tried to unscrew the main valve-plus-gauge unit from a big 4-foot nitrogen cylinder, possibly when he should have been unscrewing a hose from it. The valve blew off, shot through the ceiling and was found several miles away just inside the perimeter fence of Heathrow by a routine security patrol. The cylinder was pushed through the floor and buried itself in the concrete floor below. No trace of the engineer was found. And that's due to pressure alone - nitrogen is not flammable. That doesn't sound quite right. He might have lost a hand or an arm or been killed by it if very unlucky but he would still be there. I have known an industrial accident where an unchained nitrogen cylinder fell over and knocked the valve clean off. The valve went through a few brick walls and several asbestos process sheds before coming to rest. Fortunately it didn't intersect with anyone on the way. The cylinder suffered a version of the hose pipe instability and scudded round the shed spinning horizontally as it went. Doing a fair amount of damage but again missing people. The unfortunate engineer was deaf for a couple of days and probably had long term hearing loss. At university we had someone use ordinary rubber pipe and no regulator on a 2000psi gas bottle. He cracked the valve open a little and saw the tube instantly blow up to beachball size followed by an enormous bang and then silence. ISTR it took a week for his hearing to return. -- Regards, Martin Brown |
#20
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WD40 in a woodburner
On 22/10/2015 10:08, NY wrote:
Yes, that's what I'd expect to happen with an aerosol can: that the valve in the nozzle would melt and release the contents, rapidly rather than explosively, long before the pressure built to the point where the metal of the can sheared at its weakest point and dumped its contents explosively. Experience says otherwise :-) |
#21
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WD40 in a woodburner
On 22/10/2015 18:20, Martin Brown wrote:
On 22/10/2015 14:31, NY wrote: Mind you, even inert compressed gas is dangerous. My A level chemistry teacher had taught "in industry" before becoming a teacher and he worked in a building near Heathrow. One of the young engineers (who should have known better) tried to unscrew the main valve-plus-gauge unit from a big 4-foot nitrogen cylinder, possibly when he should have been unscrewing a hose from it. The valve blew off, shot through the ceiling and was found several miles away just inside the perimeter fence of Heathrow by a routine security patrol. The cylinder was pushed through the floor and buried itself in the concrete floor below. No trace of the engineer was found. And that's due to pressure alone - nitrogen is not flammable. That doesn't sound quite right. He might have lost a hand or an arm or been killed by it if very unlucky but he would still be there. I have known an industrial accident where an unchained nitrogen cylinder fell over and knocked the valve clean off. The valve went through a few brick walls and several asbestos process sheds before coming to rest. Fortunately it didn't intersect with anyone on the way. The cylinder suffered a version of the hose pipe instability and scudded round the shed spinning horizontally as it went. Doing a fair amount of damage but again missing people. The unfortunate engineer was deaf for a couple of days and probably had long term hearing loss. I've seen an HSE picture of that (or a *very* similar) accident site, with the trajectory "drawn in", during a training course some decades ago. |
#22
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WD40 in a woodburner
On Thu, 22 Oct 2015 07:23:18 +0000 (UTC), Tim+
wrote: As the Glasgow airport "bombers" found out. Such cylinders are fitted with a fusible plug that is designed to melt and release the contents rapidly rather than explosively. They would go off explosively in large parts of the world including the middle east which is presumably where they got the idea from. Islamic terrorists foiled by the EU bureaucrats and the Health and Safety Executive. It's enough to give The Daily Mail readers palpitations. |
#23
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WD40 in a woodburner
mcp wrote:
On Thu, 22 Oct 2015 07:23:18 +0000 (UTC), Tim+ wrote: As the Glasgow airport "bombers" found out. Such cylinders are fitted with a fusible plug that is designed to melt and release the contents rapidly rather than explosively. They would go off explosively in large parts of the world including the middle east which is presumably where they got the idea from. That makes no sense. The most significant feature of the Glasgow airport "bombing" was the way that the cylinders *didn't* explode. Would moving them somewhere else make a difference? Tim |
#24
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WD40 in a woodburner
On 22/10/2015 14:31, NY wrote:
The valve blew off, shot through the ceiling and was found several miles away just inside the perimeter fence of Heathrow by a routine security patrol. The cylinder was pushed through the floor and buried itself in the concrete floor below. No trace of the engineer was found. That's very surprising. A range of several miles would imply the valve was accelerated to supersonic speed within the few inches it was close to the cylinder. Andy |
#25
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WD40 in a woodburner
On 22/10/15 21:43, Vir Campestris wrote:
On 22/10/2015 14:31, NY wrote: The valve blew off, shot through the ceiling and was found several miles away just inside the perimeter fence of Heathrow by a routine security patrol. The cylinder was pushed through the floor and buried itself in the concrete floor below. No trace of the engineer was found. That's very surprising. A range of several miles would imply the valve was accelerated to supersonic speed within the few inches it was close to the cylinder. as most bullets are.. Andy -- Global warming is the new Margaret Thatcher. There is no ill in the world it's not directly responsible for. |
#26
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WD40 in a woodburner
On Thu, 22 Oct 2015 20:36:02 +0000 (UTC), Tim+
wrote: mcp wrote: On Thu, 22 Oct 2015 07:23:18 +0000 (UTC), Tim+ wrote: As the Glasgow airport "bombers" found out. Such cylinders are fitted with a fusible plug that is designed to melt and release the contents rapidly rather than explosively. They would go off explosively in large parts of the world including the middle east which is presumably where they got the idea from. That makes no sense. The most significant feature of the Glasgow airport "bombing" was the way that the cylinders *didn't* explode. Would moving them somewhere else make a difference? Not moving the cylinders, using locally supplied ones which don't have the fusible plug. |
#27
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WD40 in a woodburner
On 22/10/2015 14:31, NY wrote:
Good thing they weren't acetylene cylinders. Apparently they are even more dangerous. When roads and railway lines are closed due to a fire and a several-hundred metre exclusion zone, it's usually acetylene (and associate oxygen) cylinders from oxy-acetylene welding kit. Acetylene is very dangerous due to it exploding spontaneously if its pressurised by more than about 1 atmosphere. Its dissolved in acetone to stop it exploding.. but if you draw it off too fast you can lose the acetone and then the remaining acetylene with explode all by itself. The old acetylene lamps used to be powered by dissolving calcium carbide which made acetylene and they would blow up if the jet got blocked. |
#28
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WD40 in a woodburner
In message , Stephen Mawson
writes OK to lob a can on a bonfire then?:-) -- Adam I've seen it done (with a can of spray paint) The can shot out of the fire like a rocket. I think a can of easy start might be interesting. Or a propane cylinder. If you watch videos of fires on the news, something normally "blows" on LPG cylinders and you get a jet of flame, insufficient to turn it into a rocket, and the cylinder itself doesn't explode. It *might* be that the same happened in this case and that it was the containment provided by the woodburner, probably the windows or the lid, which "blew". Not true. Many years ago I witnessed, at a distance of a bout a 1/2 mile, a fire at a Propane gas store. Numerous gas bottles at times were blown high into the air. If that was the fire in Croydon in the 1970s, I saw it too but from Wimbledon perhaps six miles away. Spectacular. I think not a store, unless there was more than spectacularity at the time. I worked on the 20th floor of Lunar House (top ten floors weren't the immigration dept., sorry Harry and co.) from 1976-79, a few hundred yards from West Croydon station. A freight train with 12 or so tanker carriages in a siding ignited and caused most interesting fireworks. Several of us young un's watched through the window, ignoring loudspeaker warnings not to do so. -- Nick (=----) |
#29
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WD40 in a woodburner
On Wednesday, October 21, 2015 at 1:54:44 PM UTC+1, Part timer wrote:
Ever wondered what happens if you put a can of WD40 in a woodburner? https://www.facebook.com/hollandshar...type=2&theater or http://tinyurl.com/pwkw4bd Not something to try at home! What a fuel. There are Youtube videos of using a squirt of WD40 to explosively expand a tubeless tyre onto a wheel rim and seat the bead. I don't know whether it's the WD40 or the propellant gas that goes bang. I've done it once and it was quite impressive. |
#30
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WD40 in a woodburner
On 22/10/2015 21:58, The Natural Philosopher wrote:
On 22/10/15 21:43, Vir Campestris wrote: On 22/10/2015 14:31, NY wrote: The valve blew off, shot through the ceiling and was found several miles away just inside the perimeter fence of Heathrow by a routine security patrol. The cylinder was pushed through the floor and buried itself in the concrete floor below. No trace of the engineer was found. That's very surprising. A range of several miles would imply the valve was accelerated to supersonic speed within the few inches it was close to the cylinder. as most bullets are.. .... inside a carefully shaped cylinder. Which is usually several feet long. Heck, even a 45 magnum pistol won't make Mach 2. Andy |
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