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Subject: Active denial system goes public
mustavaris    1/25/2007 8:52:31 AM
Nothing new that we weapons-nerds hadnt heard before..but, enjoy:) At least it gives another option to crowd-control. http://news.bbc.co.uk/2/hi/americas/6297149.stm US military unveils heat-ray gun The heat-ray gun mounted on a Humvee vehicle The gun uses a large dish mounted on a Humvee vehicle The US military has given the first public display of what it says is a revolutionary heat-ray weapon to repel enemies or disperse hostile crowds. Called the Active Denial System, it projects an invisible high energy beam that produces a sudden burning feeling, but is said to be harmless. Military officials believe the gun could be used as a non-lethal way of making enemies surrender their weapons. Officials said there was wide-ranging military interest in the technology. "This is a breakthrough technology that's going to give our forces a capability they don't now have," defence official Theodore Barna told Reuters news agency. "We expect the services to add it to their tool kit. And that could happen as early as 2010." 'Blast from an oven' The prototype weapon - called Silent Guardian - was demonstrated at the Moody Air Force Base in Georgia. HEAT-RAY WEAPON US troops scatter after begin hit by the beam Directs a high energy beam Range of up to 500m Penetrates clothes but not walls Heats but does not harm Military looks to 'black ice' How the heat-ray gun works A beam was fired from a large rectangular dish mounted on a Humvee vehicle. The beam has a reach of up to 500 metres (550 yards), much further than existing non-lethal weapons like rubber bullets. It can penetrate clothes, suddenly heating up the skin of anyone in its path to 50C. But it penetrates the skin only to a tiny depth - enough to cause discomfort but no lasting harm, according to the military. A Reuters journalist who volunteered to be shot with the beam described the sensation as similar to a blast from a very hot oven - too painful to bear without diving for cover. Crowd control Military officials said the weapon was one of the key technologies of the future. "Non-lethal weapons are important for the escalation of force, especially in the environments our forces are operating in," said Marine Col Kirk Hymes, director of the development programme. The weapon could potentially be used for dispersing hostile crowds in conflict zones such as Iraq or Afghanistan. It would mean that troops could take effective steps to move people along without resorting to measures such as rubber bullets - bridging the gap between "shouting and shooting", Col Hymes said. HOW HEAT-RAY GUN WORKS Graphic showing how heat-ray gun works 1 360-degree operation for maximum effect Silent Guardian prototype can be operated with a joystick Antenna 1.1m x 1.1m (45in x 45in) linked to transmitter unit Automatic target tracking 2 Antenna sealed against dust and can withstand bullet fire 3 Invisible beam of millimetre-wave energy can travel over 250m 4 Heat energy up to 54C (130F) penetrates less than 0.5mm of skin Manufacturers say this avoids injury, although long-term effects are not known
 
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reefdiver       1/25/2007 11:09:35 AM
The more interesting thing not revealed above was that they apparently also tested it mounted in an aircraft.  I assume this was a helicopter due to the short range of the weapon.
 
Interviews also mentioned they're developing a lethal version, but provided no approximate release date.
 
Has anyone seen any documentation on the width of the beam over the effective distance?
If its broad, I also wonder if it can be focused?  If so, I would think it handy to add a "red dot" laser to the system for additional fear factor.
 
 
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Herald1234       1/25/2007 11:27:58 AM

The more interesting thing not revealed above was that they apparently also tested it mounted in an aircraft.  I assume this was a helicopter due to the short range of the weapon.

 


Interviews also mentioned they're developing a lethal version, but provided no approximate release date.

 


Has anyone seen any documentation on the width of the beam over the effective distance?

If its broad, I also wonder if it can be focused?  If so, I would think it handy to add a "red dot" laser to the system for additional fear factor.

 

I don't know that much about it. From its description it sounds like a variable focal point microwave  radio transmitter which means that  it is not a MASER.  You should be able to change the shape of the beam[s?] cones[?} to fit the size of the mob you want to irritate into compliance.

h*tp://en.wikipedia.org/wiki/Active_Denial_System

Active Denial System

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http://upload.wikimedia.org/wikipedia/en/thumb/8/81/Prototype_Active_Denial_Vehicle.gif/200px-Prototype_Active_Denial_Vehicle.gif" alt="Render of a vehicle-mounted prototype system" longdesc="/wiki/Image:Prototype_Active_Denial_Vehicle.gif" class="thumbimage" height="226" width="200">
Render of a vehicle-mounted prototype system

The Active Denial System (ADS) is a non-lethal, directed-energy weapon system under development by the U.S. military. It is a strong millimeter-wave transmitter used for crowd control (the "goodbye effect"[1]). Raytheon is currently marketing a reduced range version of this technology."[2]

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mustavaris       1/25/2007 11:32:25 AM
Raytheon´s brochure talks about individual targets, but one below also shows conceptual model of ADS on C-130.

http://www.raytheon.com/products/stellent/groups/public/documents/content/cms04_017939.pdf

http://www.dtic.mil/ndia/2002nonlethdef/Booen.pdf



 
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