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#286180 - 23rd Jan 2009 4:27pm Smoke generators
chriskay Offline
Forum Veteran

Registered: 25th Oct 2007
Posts: 4868
Loc: shropshire
I'm starting this new thread as I don't want to take the gun sites thread off topic.

Jimbob and I remember these during the war. They were a defence against enemy bombing, obscuring the target area. I remember them being placed along Borough Rd. opposite the Rovers' ground, but I don't remember having seen one in operation. I'm pretty sure Jimbob did though.

Here's a little bit of info. I found, but I'm hoping someone may be able to find something in the Archives, since I'm pretty sure the local authority would have been in charge of them.

Cheers, Chris.


Turbine Technologies Ltd


History of smoke

The concept of military smoke screening dates back hundreds of years. One of the earliest documented uses of smoke screen in combat was the burning of green vegetation by the Romans and later the burning of peat moss by the Vikings. In the American Civil War, General Robert Schenck burned wet tree limbs and leaves to create a smoke screen to cover his retreat. In all of these early smoke screen attempts, the method employed was direct flame contact with combustible material.



These combustion methods were a bit uncontrollable and had only limited advantages in combat. Generally, they could only be used to conceal troop numbers or to cover a retreat but could not effectively be used in covering troop advances due to the effect of smoke on the advancing troops. In addition, because smoke is lighter than air, the smoke cover was only temporary and large volumes of smoke were necessary to create sufficient cover. Thus a sizable amount of time was required to ignite and burn the material.
World War II
Britain



British forces used large area smoke screens to protect their towns, cities and industrial centres from the German Bombing during 1940 / 1941.



British military leaders realized they could not fend off the massive attacks of the Germans but learned they could protect their assets by hiding them from the German bombers. Prior to 1941, German bombing campaigns were very effective against British cities. Reacting to lessons learned from the past, British forces were familiar with the concept of large area smoke screening. Twenty years earlier, during World War I, the British successfully used smoke and obscurants to conceal their own operations during the Battle of Jutland. Massive German bombing campaigns would have devastated the British forces, and the British knew they had to take measures to conceal their most vital assets with visual obscuration. One method the British used to protect their industrial centres involved the use of smoke pots and British civilians. Under the Civilian Defence Program, civilians living near industrial complexes would come out during alerts and ignite smoke pots pre-positioned in the area. A massive smoke build up occurred once the pots were ignited, which resulted in huge smoke clouds covering the industrial centres. The smoke clouds prevented the German bombers from locating their targets.
America



In the early morning of 7 July 1943 the port, lake, channel, outer harbour and bay at Bizerte were crowded with US ships concentrated for the impending Allied invasion of Sicily.



Around 4 a.m. on 7 July, approximately 60 German aircraft launched an attack on the port areas of Bizerte. Though the attack lasted for more than half an hour, German airplane pilots could not locate their targets. Just minutes before German planes descended upon Bizerte, US forces used smoke generators to create a dense fog over the area. Within the screened area, not one bomb hit its target, nor was a single ship damaged.



The enemy raid on Bizerte failed primarily because of the blanket of oil smoke US troops made using the M1 mechanical smoke generator. The M1 generator was the first mechanical generator used for large area smoke and obscurant screening by US forces during World War II. While the use of smoke operations was gaining momentum, the M1 was not even on the drawing boards at the beginning of the war. The M1 smoke generator was quickly fielded in 1942 to save lives and equipment for situations such as Bizerte.
Today



The "smoke" created by today's technology is neither a smoke (like the product of a combustion smoke screen) nor a chemical gas (like the product of a chemical smoke bomb) but was a vapour of a specially designed oil. This 'Fog Oil' is atomised in the exhaust duct of a small gas turbine engine using a specially designed nozzle. Exposed to a temperature of some 600C the atomised oil evaporates instantly. On exiting the exhaust the oil condenses into a vapour that provides a long-lasting, ground hugging, obscuration cloud.



smoke@turbinetec.co.uk

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#286203 - 23rd Jan 2009 6:25pm Re: Smoke generators [Re: chriskay]
Dava2479 Offline

Forum Addict

Registered: 10th Feb 2008
Posts: 1924
Loc: Wirral
Thanks Chris,I can look in the archives when I`m in next but I don`t` think I will have much success as I have tried looking up records for gun sites and they had no info what so ever,never the less I will still have a look.

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#286388 - 24th Jan 2009 7:19pm Re: Smoke generators [Re: Dava2479]
w10694 Offline
Addict

Registered: 31st Dec 2008
Posts: 240
Loc: cheshire
excellent write up chris, looks like another aspect of the war that has fallen into obscurity - until resurrected !

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#286542 - 25th Jan 2009 12:53am Re: Smoke generators [Re: Dava2479]
Dava2479 Offline

Forum Addict

Registered: 10th Feb 2008
Posts: 1924
Loc: Wirral
Originally Posted By: Dava2479
Thanks Chris,I can look in the archives when I`m in next but I don`t` think I will have much success as I have tried looking up records for gun sites and they had no info what so ever,never the less I will still have a look.



I`m in on Mon.Will have a good scout. wink

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#286545 - 25th Jan 2009 1:03am Re: Smoke generators [Re: Dava2479]
_jase_
Unregistered


excellent read chris thanks for Sharing. thumbsup

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#286592 - 25th Jan 2009 12:22pm Re: Smoke generators [Re: Dava2479]
chriskay Offline
Forum Veteran

Registered: 25th Oct 2007
Posts: 4868
Loc: shropshire
Originally Posted By: Dava2479

I`m in on Mon.Will have a good scout. wink
I'm sure there will be something, if only you can find it. Meanwhile, here's another link.
http://www.surplusandadventure.com/shop/home/product-information/camouflage/smoke-screen.html
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Carpe diem.

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#286629 - 25th Jan 2009 2:56pm Re: Smoke generators [Re: chriskay]
Dava2479 Offline

Forum Addict

Registered: 10th Feb 2008
Posts: 1924
Loc: Wirral
Like I say Chris I had no luck at all with gun site locations,so I think I will have less of a chance finding anything on these,but worth a look as I`m very interested in these.It`s new to me.

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#286654 - 25th Jan 2009 4:50pm Re: Smoke generators [Re: Dava2479]
chriskay Offline
Forum Veteran

Registered: 25th Oct 2007
Posts: 4868
Loc: shropshire
You may have better luck with these than the gun sites, which would have come under the military, not the council.
_________________________
Carpe diem.

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#287219 - 27th Jan 2009 7:20pm Re: Smoke generators [Re: chriskay]
Dava2479 Offline

Forum Addict

Registered: 10th Feb 2008
Posts: 1924
Loc: Wirral
Chris,as I suspected there is no information on these machines bud.I can only think to gain info on equipment such as these then the MOD would have records and not archives but then again access to MOD stuff is near impossible as you know.Sorry mate,did look and enquire.

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#287269 - 27th Jan 2009 11:58pm Re: Smoke generators [Re: Dava2479]
chriskay Offline
Forum Veteran

Registered: 25th Oct 2007
Posts: 4868
Loc: shropshire
Oh, well, thanks for trying.

Cheers, Chris.
_________________________
Carpe diem.

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#287277 - 28th Jan 2009 12:29am Re: Smoke generators [Re: chriskay]
Dava2479 Offline

Forum Addict

Registered: 10th Feb 2008
Posts: 1924
Loc: Wirral
Will still keep looking mate,something just might pop up somewhere.

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#690595 - 5th May 2012 4:51pm Re: Smoke generators [Re: chriskay]
joney Online   content
Enthusiast

Registered: 29th Apr 2012
Posts: 138
Loc: france
Re smoke generators they were mobile and situated in different places. I seem to remember they were manned by Royal Engineers and the smoke was generated by burning oil.

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