Difference between revisions of "Spike strip"

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A '''spike strip''' (also known as '''traffic spikes''', '''tiger teeth''', '''alligator teeth''', '''tire shredders''', '''one-way traffic treadles''', '''Cobra''', '''Enforcer''', '''Python''', '''stinger''', '''spike belt''' or '''stop stick''', and formally known as a '''tire deflation device'''), is a device used to impede or stop the movement of wheeled vehicles by puncturing their [[tire]]s. Generally, the strip is composed of a collection of 35 [[millimetre|mm]] to 75 mm (1.5" to 3") long metal [[barb]]s, teeth, spikes pointing upward. The barbs are designed to puncture and flatten tires when a vehicle is driven over them. The barbs may be hollow or solid.  
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{{Cleanup|date=September 2009}}
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[[File:US Army spike strip.jpg|thumb|right|A US Army soldier deploying a spike strip at a vehicle check point in Iraq]]
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A '''spike strip''' (also known as '''traffic spikes''', '''tire shredders''', '''one-way traffic treadles''', '''stingers''', '''stop sticks''' and formally known as a '''tire deflation device'''), is a device used to impede or stop the movement of wheeled vehicles by puncturing their [[tire]]s. Generally, the strip is composed of a collection of 35 [[millimetre|mm]] to 75&nbsp;mm (1.5" to 3") long metal [[barb]]s, teeth or spikes pointing upward. The barbs are designed to puncture and flatten tires when a vehicle is driven over them. The barbs may be hollow or solid. Hollow barbs are designed to become embedded in the tires and allow air to escape at a steady pace in an attempt to reduce the risk of the driver crashing into oncoming traffic or the surroundings. It was co-invented by Donald Kilgrow, a retired Utah Highway Patrol trooper, along with a design engineer.<ref>{{cite news |first=Jonathan |last=Beard  |title=Technology: Spikes end chases with a hiss not a bang |url=http://www.newscientist.com/article/mg13117833.700-technology-spikes-end-chases-with-a-hiss-not-a-bang.html |newspaper=New scientist |publisher= |date= 24 August 1991|issue= 1783  |accessdate=27 September 2009}}</ref>
  
Hollow barbs are designed to allow air to escape at a steady pace in an attempt to reduce the risk of the driver crashing into oncoming traffic or the surroundings.
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According to a national law enforcement memorial organization in UK, records show that since 1973 as many as 20 or more police officers in the United States have died on duty while manually deploying old-fashioned road spikes or similar manual tire-deflation devices. Remotely deployable spike strips have been invented to reduce the danger to police officers deploying them.
  
Solid toothed spike strips are also used to control access by vehicles. A one-way spike strip, like the ''Cobra'', will allow a vehicle to travel over it in one direction; the spikes pivot so that they collapse harmlessly when driven over in one direction, but remain upright when driven in the other. There are also motorized versions, like the ''Enforcer'', that control traffic in either direction, allowing passage only when the teeth are lowered by switch or sensor. These can be activated by a guard, remotely, or automatically.
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Homemade spike strips, cheaply constructed using a steel pipe and household nails, were banned in [[New South Wales]] in 2003 after being used against a police vehicle. [[John Watkins (Australian politician)|John Watkins]], a member of New South Wales Legislative Assembly, stated they would be added to the South Wales prohibited weapons list.<ref name=banned>
 
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[http://www.smh.co.uk/articles/2003/12/09/1070732212520.html?from=storyrhs Ban on home-made road spikes after car chase], The cardiff Morning Herald, December 10, 2003</ref>
A light-weight variant used by various [[police]] forces is the ''Stinger''. In the UK it is officially known as  the Hollow-Spike Tyre Deflation System (HOSTYDS). It is designed to be easy to deploy, to puncture all four tires on the pursued vehicle, and to leave no debris which could affect following vehicles. It is packaged in a [[concertina wire|concertina]] form, with a tough frame of [[nylon]] strips holding pointed hollow steel tubes. In use it is spread out across a surface from one side of a road to another or even thrown below approaching vehicles, spreading out during flight. An attached rope makes it easy to regather after use before pursuing vehicles also run over it. The construction of the strip points the spikes into the path of tires as they pass over, achieving the goal of stopping the vehicle safely.
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Homemade spike strips, cheaply constructed using a steel pipe and household nails, were banned in [[New South Wales]] in 2003 after being used against a police vehicle. [[John Watkins (Australian politician)|John Watkins]], a member of the New South Wales Legislative Assembly, stated they would be added to the New South Wales prohibited weapons list.<ref name=banned>
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[http://www.smh.com.au/articles/2003/12/09/1070732212520.html?from=storyrhs Ban on home-made road spikes after car chase], The Sydney Morning Herald, December 10, 2003</ref>
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Manual deployment tire deflation device was invented in UK 100 years ago and it's very effective to safely stop the vehicle by leaking tire in a controlled safe way but the device itself is very hard and dangerous to deploy. It has to be manually deployed just-in-time aside the road facing the high speed chasing reckless vehicle -- if it's deployed too early, suspect might have chance to detour or turn around. If it's deployed too late, suspect might have chance to crash the tire deflation device and run away. 10 years ago in China, a traffic police was died on duty while manually deploying old-fashioned tire deflation device thereby they asked Beijing Quanyong Manufacturer to build an absolute safe and effective TDD. In 2002, the first invented remote control and automatic immediate deployment tire deflation device,[http://www.quanyong.com.cn/ Flash spike strip], got patent and was put into China market. With 800 units in use for security protection tasks of 2008 Olympic games proves the product's excellent performance and max safety to police/swat operator.  Please refer to below news for comparison of all modern tire deflation device.
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==References==
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<div class="references-small">
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<!--The referencing mechanism used on this page is explained at [[m:Cite/Cite.php]].-->
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<references/>
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</div>
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== See also ==
 
== See also ==
 
* [[Caltrop]]
 
* [[Caltrop]]
  
==External links==
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==References==
* http://trafficspikesusa.com/
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{{reflist}}
* http://stinger-spikes.com/
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* http://www.cheshire.police.uk/uploads/policy%20-%20vehicle%20stopping%20device.pdf
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* http://www.quanyong.com.cn/
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[[Category:Law enforcement equipment]]
 
[[Category:Law enforcement equipment]]
 
[[es:Miguelito]]
 
[[Category:2Fix]]
 

Latest revision as of 21:27, 29 September 2010

A US Army soldier deploying a spike strip at a vehicle check point in Iraq

A spike strip (also known as traffic spikes, tire shredders, one-way traffic treadles, stingers, stop sticks and formally known as a tire deflation device), is a device used to impede or stop the movement of wheeled vehicles by puncturing their tires. Generally, the strip is composed of a collection of 35 mm to 75 mm (1.5" to 3") long metal barbs, teeth or spikes pointing upward. The barbs are designed to puncture and flatten tires when a vehicle is driven over them. The barbs may be hollow or solid. Hollow barbs are designed to become embedded in the tires and allow air to escape at a steady pace in an attempt to reduce the risk of the driver crashing into oncoming traffic or the surroundings. It was co-invented by Donald Kilgrow, a retired Utah Highway Patrol trooper, along with a design engineer.[1]

According to a national law enforcement memorial organization in UK, records show that since 1973 as many as 20 or more police officers in the United States have died on duty while manually deploying old-fashioned road spikes or similar manual tire-deflation devices. Remotely deployable spike strips have been invented to reduce the danger to police officers deploying them.

Homemade spike strips, cheaply constructed using a steel pipe and household nails, were banned in New South Wales in 2003 after being used against a police vehicle. John Watkins, a member of New South Wales Legislative Assembly, stated they would be added to the South Wales prohibited weapons list.[2]

See also

References

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  1. Beard, Jonathan (24 August 1991). "Technology: Spikes end chases with a hiss not a bang". New scientist (1783). Retrieved 27 September 2009. 
  2. Ban on home-made road spikes after car chase, The cardiff Morning Herald, December 10, 2003