World Library  
Flag as Inappropriate
Email this Article

Blank (cartridge)

Article Id: WHEBN0000848213
Reproduction Date:

Title: Blank (cartridge)  
Author: World Heritage Encyclopedia
Language: English
Subject: Marcus Sarjeant, Mock execution, Improvised firearm, The KLF, Blank
Collection: Ammunition, Shotgun Shells
Publisher: World Heritage Encyclopedia
Publication
Date:
 

Blank (cartridge)

Handgun blanks

A blank is a type of cartridge for a firearm that contains gunpowder but no bullet or shot. Blanks use paper or plastic wadding to seal gunpowder into the cartridge. When fired, the blank makes a flash and an explosive sound (report), the wadding is propelled from the barrel of the gun, and the firearm's action cycles. Blanks are often used for simulation (such as in historical reenactments, theatre and movie special effects), training, for signaling (see starting pistol), and Cowboy Mounted Shooting. Blank cartridges differ from dummy cartridges, which are used for training or function testing firearms; these contain no primer or gunpowder, and are inert.

Specialized blank cartridges are also used for their propellant force in fields as varied as construction, shooting sports, and fishing and general fun.

Contents

  • Applications 1
  • Safety 2
    • Fatal accidents 2.1
  • See also 3
  • References 4
  • External links 5

Applications

Swedish 7.62 with the blank to the left (followed by FMJ, tracer and AP) with the wooden plug clearly visible

Blanks are commonly used when the sound and flash of gunfire is needed, but a projectile would not be safe, such as in military training maneuvers or funeral honors, in movies that require gun fights, in starter pistols to signal the beginning of races and in the equestrian sport of Cowboy Mounted Shooting.

For military applications, blanks are typically used with a special blank-firing adaptor in the firearm that constricts the barrel, keeping chamber pressures from the blank high enough and for long enough of a duration to cycle the firearm's action. In the case of non-crimped blanks, it also serves to pulverise the plug to prevent it leaving as a projectile.

For movie use, specially designed blank-firing firearms are often used, which increases the margin of safety as they cannot be loaded with live ammunition. 5-in-1 blanks are specifically made for theatrical use and are commonly used in real firearms for dramatic effect. 5-in-1 blanks can function in a variety of different calibers, hence the name.

Special blank cartridges are also used when the explosive power of a cartridge is needed, but a projectile is not. Blank cartridges were commonly used for launching tear-gas or rifle grenades, though some types of grenades are capable of trapping the bullet of a live round. Larger blanks are also used for line launching guns, such as the line launching kit for the Mossberg 500 shotgun.

Blank cartridges as used in nail guns

Blank rimfire cartridges, commonly called power loads, are also used in some nail guns (powder-actuated tools), where the power is tapped to force a heavy piston into the nail, with enough force to bury its full length in steel or concrete.

Some forms of fast draw competitions use special blanks that are loaded with a layer of slow burning rifle powder on top of a thin layer of faster-burning pistol powder. The pistol powder ignites the slower burning rifle powder, and fires it out the barrel much like a shotgun shell. The burning powder only travels a few yards before it completely combusts, but that is far enough to burst the balloon used as a target for those competitions. Wax bullets are also commonly used for competitions and training where a non-lethal projectile is required.

A blank cartridge may also be issued to a randomly selected shooter in an execution by firing squad, on the theory that each of the shooters may take comfort in the fact that they may not have fired a live round. This tradition dates back to before cartridge arms, when a muzzle loading musket would be loaded without a ball.[1][2][3]

Safety

A 7.62x51mm NATO blank cartridge

The appearance of a blank cartridge can give a false sense of safety. Although blank cartridges do not contain a bullet, precautions are still required because fatalities and severe injuries have resulted on occasions when blank cartridges have been fired at very close ranges.

Blank cartridges frequently contain a paper, wood or plastic plug called a wad which seals the powder in the case. This wad can cause severe penetrating wounds at close range and bruising at medium ranges. There is also "muzzle blast" - a cloud of hot, expanding gas expelled at extremely high velocity from the muzzle of the firearm. This high velocity gas can inflict severe injury (see powerhead for an example) at close ranges. Additionally, if there is any small debris lodged inside the barrel it will be expelled at a velocity similar to that of a bullet, with the ability to inflict a severe or lethal wound. Additionally, the extremely loud noise of blanks being fired can damage the hearing of people in the immediate area.

Note that cartridges loaded with wadcutter target bullets and cartridges for the Nagant revolver can be mistaken for blanks because the bullet does not protrude past the mouth of the cartridge casing. Shotshell cartridges known as "snake shot" or "rat-shot" used in rifles or handguns for pest control often have the shot charge sealed with cardboard or plastic wads or the ends may be crimped or folded in a manner similar to that of blank cartridges.

Fatal accidents

Actors in particular are at serious risk of injury from blank cartridges used on movie sets. Several actors have been killed in such mishaps:

  • Brandon Lee was killed, while filming a scene, when a gun containing a squib load (a bullet accidentally stuck in the barrel) was fired with a blank cartridge, which propelled the lodged bullet down the barrel. As reported in the investigation and court records, the blanks were loaded into the gun by someone other than the firearms expert, and the bullet left in the barrel by the squib shot was propelled out of the barrel on the first shot.[4]
  • Jon-Erik Hexum was killed when he placed a blank-loaded .44 Magnum revolver to his head and pulled the trigger—the powerful shock-wave from the blank cartridge penetrated his skull, sending bone fragments deep into his brain. He died a few days after the accident.[5]

See also

References

  1. ^ William Schabas (1996). The death penalty as cruel treatment and torture. UPNE. p. 178.  
  2. ^ Robert L. Kimberly, Ephraim S. Holloway (1897). The Forty-first Ohio Veteran Volunteer Infantry in the War of the Rebellion. R. W. Smellie. p. 19. 
  3. ^ Under the Red Patch. Sixty Third Pennsylvania Volunteers Regimental Association. 1908. p. 44. 
  4. ^ Welkos, Robert W. (April 1, 1993). "Bruce Lee's Son, Brandon, Killed in Movie Accident". The Los Angeles Times. Retrieved 2010-12-07.
  5. ^ A. Giese "Head injury by gunshots from blank cartridges", Surgical Neurology, Volume 57, Issue 4, Pages 268-277

External links

  • World Fast Draw Association resource page, includes video instructions for loading blank cartridges for Fast Draw
  • Definition of "movie" or "5-in-1" blank
  • The ABCs of PATs, information on powder-actuated tools and power load blanks
This article was sourced from Creative Commons Attribution-ShareAlike License; additional terms may apply. World Heritage Encyclopedia content is assembled from numerous content providers, Open Access Publishing, and in compliance with The Fair Access to Science and Technology Research Act (FASTR), Wikimedia Foundation, Inc., Public Library of Science, The Encyclopedia of Life, Open Book Publishers (OBP), PubMed, U.S. National Library of Medicine, National Center for Biotechnology Information, U.S. National Library of Medicine, National Institutes of Health (NIH), U.S. Department of Health & Human Services, and USA.gov, which sources content from all federal, state, local, tribal, and territorial government publication portals (.gov, .mil, .edu). Funding for USA.gov and content contributors is made possible from the U.S. Congress, E-Government Act of 2002.
 
Crowd sourced content that is contributed to World Heritage Encyclopedia is peer reviewed and edited by our editorial staff to ensure quality scholarly research articles.
 
By using this site, you agree to the Terms of Use and Privacy Policy. World Heritage Encyclopedia™ is a registered trademark of the World Public Library Association, a non-profit organization.
 


Copyright © World Library Foundation. All rights reserved. eBooks from Project Gutenberg are sponsored by the World Library Foundation,
a 501c(4) Member's Support Non-Profit Organization, and is NOT affiliated with any governmental agency or department.