Skip to comments.Lawmaker's gun room explosion likely 'spontaneous combustion' (ID)
Posted on 10/02/2012 12:11:48 PM PDT by marktwain
BURLEY, Idaho -- Fire officials believe it was spontaneous combustion that made a gun room explode at the home of an Idaho state lawmaker last weekend.
The blast sent Representative Fred Wood's wife to a burn center in Salt Lake City on Saturday night.
Burley Fire Chief Keith Martin believes a gun room below Fred and Amy Wood's house exploded after rags with gun cleaning chemicals on them sat in a garbage bin and slowly produced enough heat to ignite on fire.
He cleaned his guns, and we are thinking maybe the cleaning solvent and the rags that he used sat there over the week and slowly generated enough heat, where it finally spontaneously combusted, said Chief Martin.
Martin said Wood was hunting just a week prior to the explosion.
(Excerpt) Read more at ktvb.com ...
” rags with gun cleaning chemicals on them sat in a garbage bin and slowly produced enough heat to ignite on fire.”
I’ve seen this happen with paint stripper rags left in a garbage can,,, by a complete doofus. But they didn’t explode, just caught on fire. Luckily, I had just opened the store as they burst into flame. Put it out immediately, before it could spread.
Unfortunately, all of Rep. Woods’s guns were destroyed in the blast.
The boating accident planned for next week had to be canceled.
beats the old “boating accident” excuse.
Yes, it’s pretty well known that you must not do that with rags. Particularly with certain oils like linseed or tung.
I hate when that happens. At least he didn’t shoot someone he mistook for a deer. Also lots of cows get plugged during huntin’ season. I blame the demon rum.
Facts don’t add up here.
A fire is NOT an explosion.
Let’s say a fire did start in a pile of improperly stored rags. OK, a small fire spreads and grows into a larger fire.
WHAT “Exploded”? The gunpowder in the plastic or metal tins? hmmmmmm.... I don’t think so. Bigger fire mostly likely.
What [generally] causes an explosion in a house fire? — generally vapors in an explosive mixture come in contact with a source of ignition [in a moderately confined space in the household] — and the fuel for the explosion is something like natural gas or gasoline vapors, or propane etc.
So **IF** there was an explosion, I have questions about what the FUEL was for this ‘explosion.’
REM: I *used* to be a volunteer firefighter MANY years ago.
Just being an inquiring mind in the face of today’s sloppy journalism.
I dunno. I still can’t get “explosion” from oily rags, gunpowder, primers, loaded rounds, etc. I could understand fire, but not explosion. Unless there was something in the room that I don’t normally keep.
I could go with that IF we knew what the Fire Chief identified as the explosive fuel and the source of ignition.
It takes a good bit of fuel evaporating to reach a lower explosive limit, unless of course the fuel is gasoline, propane or natural gas. solvents tend to make a brief flash fire and then a smaller Class A/B fire burns. They don’t often produce the high pressures of a gasoline vapor or propane/methane explosion. It just doesn’t read well.
I am really curious what the fuel REALLY was for this ‘explosion’. Spontaneously combusting rags do not an explosion make on their own.
The journalist here offered few clues.
The key is the airtight room. We know it was airtight because the homeowner felt pressure when he tried to open the door.
The explosion is because the pressure kept building up until it reached the breaking point of the container (the airtight room).
This would not have happened in a room with normal ventilation.
The investigation is ongoing. I admit that the mechanism for the explosion is not clear. However, it appears that it was a pretty low level explosion, on the order of a propane or natural gas explosion. I say this because the (most likely) reinforced concrete cover for the safe room seems simply to have been lifted off, then fell back into the room. Here are some theories put forward thus far:
A room of stored ammunition and reloading supplies can hold enough explosive force to cause the damage seen in Burley, a local firearms expert said.
Safe rooms are often built very heavily, said Dan Hadley, reloading expert and employee at Reds Trading Post in Twin Falls. If a spark occurs, he said, that ignites the stored gunpowder and the room can become like a cartridge case with the pressure finding release at the weakest spot, which would be the roof.
When gunpowder ignites, he said, it creates an expanding gas.
In rooms with a lot of stored ammunition and reloading supplies it could easily blow a roof off, he said.
Sparks or heat can come from several different sources. Hadley said if gun cleaning and oiling supplies are kept in a room in a closed container, it can lead to the possibility of spontaneous combustion.
Something like that is more likely to happen in an auto repair shop where there are more rags, he said.
He said although cleaning and oiling supplies are volatile, they are safe if the directions are followed. Its always best to store them in a location separate from reloading supplies and ammunition, he advised.
Another source of ignition is some type of electrical short, Hadley said.
Ahhhhhhhhhhh, Hoppe’s Cleaning Solvent. My favorite after-shave and cologne!
You better read the MSDS. I don’t think it’s approved for that. ;)
black powder can explode.
OK I viewed the ENTIRE video and re-read the article.
So this was a secure room UNDER his house. Implies lockable/ sealable. WHOLE different scenario in place.
Ever seen “Backdraft”? Know what one really is?
slow burning fire, low O2 levels, explosive mixture at high end of limits.
somehow O2 is introduced — door opens, window breaks dunno. BOOM!
Explosion happens, small fire (if any) burns.
OK, I can let this go ;-)
the “concrete that moved” part is kinda impressive. His wife was OUTSIDE on the patio. Implies considerable explosive force under the patio.
What you write is akin to a BLEVE — boiling liquid expanding vapor explosion. But in your write up the gas pressure is caused by the burning gunpowder which has its own oxidizer.
So essentially the ‘explosion’ was gas pressure — a burst if you will, of a pressure vessel— which introduced O2 to a combustible/explosive mixture (a back draft fire of sorts) and thus a ‘boom’ and only enough flame front to set her hair afire but not toast her.
Plausible. AND interesting.
Real Conservative Women love the ‘aroma’; that’s good enough for me! LOL!
And it's non-combustible and non-toxic.
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