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  #1  
Old 27-04-22, 01:53
r.morrison r.morrison is offline
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Default Pyrene Fire Extinguishers WW11

Gentlemen .....once again looking for some clarification. My experience with WW11 Jeeps and CMP's, Pyrenne Brass Fire Extinguishers have always been part of the equipment attached to the vehicle. I came across a unit from a store going out of business and this unit was mixed with some militaria. Price was extremely right, but the size is what I'm questioning. It's 17 inches long (44 cm). Was this a size used in the military compared to the smaller ones mounted in the above vehicles?? Your comments are appreciated.
Robert
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  #2  
Old 27-04-22, 02:50
rob love rob love is offline
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I have seen at least 100 of the various regular size extinguisher at my favorite surplus yard, but do not think I have ever seen the long one like you show.
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  #3  
Old 27-04-22, 03:23
r.morrison r.morrison is offline
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Default Extinguisher

You're right Rob....I've never seen one this long. I bought 2 of them. The second one being the usual size we're used to....but not a Pyreene Brand.
Thanks for your input...Robert
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  #4  
Old 27-04-22, 04:27
Bruce Parker (RIP) Bruce Parker (RIP) is offline
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Those extinguishers were used in the longer wheelbase 60cwt CMPs...

Obviously.....
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  #5  
Old 27-04-22, 05:23
r.morrison r.morrison is offline
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Default Forgot to mention......

Forgot to mention...it's still FULL! R.
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  #6  
Old 27-04-22, 20:19
Chris Suslowicz Chris Suslowicz is offline
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Quote:
Originally Posted by r.morrison View Post
Forgot to mention...it's still FULL! R.
Yikes!

If it's full of Carbon Tet (tetrachloromethane, CCl4) that's not something you want to keep around, because it does evaporate and is fairly nasty stuff. (If used on a fire you can get carbonyl chloride (Phosgene, COCl2) produced depending on the flame temperature, etc.

Best regards,
Chris.
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  #7  
Old 28-04-22, 01:06
r.morrison r.morrison is offline
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Default Ouch.....!

Hi Chris: Didn't know we had a chemist in the midst! I'll empty it out this week end and clean it out carefully, taking in your advice. Then, I just have to figure out what to do with it. Any buyers out there???
Thanks for your help.....Robert
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  #8  
Old 28-04-22, 01:14
Bob Carriere Bob Carriere is offline
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Default Empty before shipping....

....but don't waste it........ a good canning jar or two will hold it forever..... and next time you have a french fry grease spot on your favorite garment use it to remove the stain....... it won't kill you ...........not right away!!!!! or clean the crap from the end of a starter you are rebuilding.....

Remember Robert....only good people die young...... you and I will be around for a while yet.
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  #9  
Old 28-04-22, 16:42
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Tim Bell Tim Bell is offline
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Quote:
Originally Posted by Chris Suslowicz View Post
Yikes!

If it's full of Carbon Tet (tetrachloromethane, CCl4) that's not something you want to keep around, because it does evaporate and is fairly nasty stuff. (If used on a fire you can get carbonyl chloride (Phosgene, COCl2) produced depending on the flame temperature, etc.

Best regards,
Chris.
Chris

I was told once (not a chemist) that if you mix with water on a fire you can also get Chlorine gas.

As you say - nasty stuff - marginally better than getting burned though!

Tim
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Old 28-04-22, 16:44
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Tim Bell Tim Bell is offline
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Quote:
Originally Posted by Chris Suslowicz View Post
Yikes!

If it's full of Carbon Tet (tetrachloromethane, CCl4) that's not something you want to keep around, because it does evaporate and is fairly nasty stuff. (If used on a fire you can get carbonyl chloride (Phosgene, COCl2) produced depending on the flame temperature, etc.

Best regards,
Chris.
I do recall reading a war diary entry which said it was great stuff to pump into the clutch housing if the clutch sticks.

Never tried it though.

Tim
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  #11  
Old 28-04-22, 18:26
Bob Carriere Bob Carriere is offline
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Default It does work.....at least on a worn out M37

....so will road dust and starter fluid.....not a fix but enough to get you home using 3rd gear and high revs.....

We did change the clutch......oil was leaking from an overfull tranny ...passed the seal and into the input tube to the clutch pack......
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  #12  
Old 28-04-22, 18:42
Chris Suslowicz Chris Suslowicz is offline
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Quote:
Originally Posted by Tim Bell View Post
Chris

I was told once (not a chemist) that if you mix with water on a fire you can also get Chlorine gas.

As you say - nasty stuff - marginally better than getting burned though!

Tim
Worse than that, heat + water vapour + carbon tet:

CCl4 + H2O -> COCl2 (phosgene) + 2 HCl (hydrogen chloride/hydrochloric acid)

The idea of it as a fire suppressant is that it's heavier than air and will exclude oxygen from the fire, thus putting it out. The problems arise if it doesn't put the fire out and the temperature is high enough to break down the firefighting agent. (You then get toxic and corrosive gases formed.)

Even Halon can be ineffective on some metal fires... and the only thing you can put out titanium with is titanium dioxide - burying it to exclude anything it will react with, because it will break the oxygen out of water, carbon dioxide or sand, and the halogens out of Halon and just carry on burning. (If you can get enough water onto some fires it will work by lowering the temperature, but a spray won't do it if it's a big one.)

Chris.
(Remembering that someone had a garage full of 50 gallon drums of sodium metal that caught fire - an interesting problem for the fire crew and nasty for the local residents (including a friend of mine).)
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  #13  
Old 28-04-22, 22:47
Alex van de Wetering Alex van de Wetering is offline
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I have also heard it's quite effective as paint stripper......


On the subject of extinguishers...I have seen brackets with 6 mounting holes and ones with 5 mounting holes......manufacturer difference only?? CMP rear walls are drilled for 6 holes if I am correct.

And that clamp.....my bracket doesn't have one, but I have seen people using the clamp of a repro jeep extinguisher bracket to merge with a Pyrene bracket.
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  #14  
Old 28-04-22, 23:01
Lynn Eades Lynn Eades is offline
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Alex, my understanding is that the six hole ones were military and the civvy ones were five hole? I don't know for sure, but an example is the Carrier (U.C.)bracket has six holes (covered by your CMP comment)
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  #15  
Old 29-04-22, 05:30
r.morrison r.morrison is offline
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Default Toxic Bomb!

Well .....after reading Professor Chris's description of what I have here, maybe I should just put it at the side of the road and phone the fire department and tell them I found a toxic bomb from WW11! You guys are giving me the heebie jeebies! With the exception of the removal of "french fry grease" or possibly "poutine" stains Bob!!
Well according to the bracket and the information supplied by Lynn and Alex, this puppy has 6 mounting holes on the bracket, but again it's 17 inches long (whether that has anything to do with it). Thanking all for the insight!
I've included some photos.
Cheers....Robert
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  #16  
Old 29-04-22, 06:04
r.morrison r.morrison is offline
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Default After thought....

Hi there: Should have included this with the last entry. The six holes on the mounting bracket are as such:
Bottom hole to the middle hole is 6 3/4 inches or 17 cm.
Middle hole to the top hole is 4 5/8 inches or 11.7 cm.
Hope this all helps.
Cheers...Robert
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  #17  
Old 02-05-22, 01:48
Chris Suslowicz Chris Suslowicz is offline
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Quote:
Originally Posted by r.morrison View Post
Well .....after reading Professor Chris's description of what I have here, maybe I should just put it at the side of the road and phone the fire department and tell them I found a toxic bomb from WW11! You guys are giving me the heebie jeebies! With the exception of the removal of "french fry grease" or possibly "poutine" stains Bob!!
Heh. I did 'A' level Chemistry about half a century ago and a lot of it stuck.

It's safe enough as long as it doesn't leak and you inhale the fumes or get it on your skin. (The real no-no was smoking while using it to clean stuff: that really could give you a dose of phosgene poisoning.)

Modern school teaching of Chemistry is nowhere near as exciting as it used to be, but probably a lot safer for all concerned. My main annoyance is that I can't buy things that used to be available 'over the counter' without a background check and a licence that cost as much as a Firearm Certificate - so I can't get Sulphuric Acid to fill the (dry-charged) Signals batteries I have!

(Not that I actually want to - they only last about 2 years in use, so I just use modern equivalents instead and keep the originals for the collection.)

(Sigh!) "Even the nostalgia isn't as good as it used to be. - Sir Terry Pratchett"

Chris.
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  #18  
Old 02-05-22, 08:14
Lynn Eades Lynn Eades is offline
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Just to derail your thread a bit Robert, I bought this civvy extinguisher on Trademe. It arrived in the post and is still full.
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  #19  
Old 19-06-22, 17:45
m606paz m606paz is offline
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Hi, i have a question about bracket colour... black or body colour paint?
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  #20  
Old 19-06-22, 22:25
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Jordan Baker Jordan Baker is offline
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Quote:
Originally Posted by m606paz View Post
Hi, i have a question about bracket colour... black or body colour paint?
The ones Ive come across were all gloss black. However on some of them the top sides were over sprayed in the body colour of KH#3 or SCC2. This suggests to me that they were installed black then got over sprayed at some point during assembly
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  #21  
Old 19-06-22, 23:58
m606paz m606paz is offline
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Thank you Jordan!
My bracket need painting!
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  #22  
Old 24-10-22, 05:43
Scott Cacciamani Scott Cacciamani is offline
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Default pyrene

It's too long, Does anyone have a pyrene that says motorcycle type?
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