PPT-Ballistics

What is Forensic Ballistics Any projectile is considered ballistic evidence These include bullets arrows objects launched from a slingshot etc Most often the scientist is looking at bullets The goal is to match a projectile with the weapon it came from. Using Lapua Ballistics there is no need for checking tables and calculating cosines for rather imprecise inclination compensation Not to mention the often ignored but vast influence of cartridge temperature on muzzle velocity and atmospheric condit Most handguns are referred to as singleaction or doubleaction A singleaction firearm requires the user to manually pull back the hammer before the firearm allows t he user to either manually cock the hammer or simply pull the trigger and allo w the 57375e International Symposium on Ballistics is jointly organized and supported by the International Ballistics Society IBS in conjunction with the National Defense Industrial Association NDIA Arlington Virginia USA WHY YOU SHOULD ATTEND Exposure to Bullets and Casings. Timeline of Ballistics Examination. 1923:. FBI Bureau of Forensic Ballistics established. 1929:. weapons used in the St. Valentine’s Day massacre identified by matching bullets. The vast majority of. U.S. homicides involve. guns. And they are more. powerful than ever.. . Lansing State Journal,. July 2007 . 1998--Deaths due to handguns. US 11,789 . Germany 373. Canada 151. Firearms and Cartridges. Terms. Ballistics:. the study of bullets and firearms. Firearms:. a weapon capable of firing a projectile using a confined explosive. History. Gunpowder was invented by the Chinese more than 1,000 years ago. Mankind has been fascinated by the idea of . launching a projectile. at animals for thousands of years.. Gunpowder. was first used in . China. over 1000 years ago, but was primarily used in . firecrackers. 9. /3/15. Bellwork. How are you going to make a match between the crime scene bullet casing and test fired ones?. Ballistics p.34-35. Topic: Casings. Evidence: Match caliber and firing pin impressions to crime scene guns.. Bellringer 4/14/15. What is ballistics?. The study of bullets and firearms.. Bellringer 4/14/15. Ballistics Notes . (pages 492 . – 494 – INB 51). What questions are ballistics experts attempting to answer?. Linear DensityFilamentsTwaron-TypeStrengthTenacityElongationChord at Breakat Breakat BreakModulusDtex (eective)No.mN/texGPaMicrolament Ultra Micro MicrolamentMicrolamentMicrolamentMicrolament Projectiles. Definition: any material that travels with the ability to injure . Energy is dependent on the velocity, mass, and distance traveled by projectile. Not all projectiles come from fire arms!!!. Forensic Science . 4/28/15. Pd. 3 . If you did not take the quiz yesterday, grab two yellow folders, drop off your phone, and move to one of the back tables, around the wall.. During the drill, Ms. Bloedorn will bring you . The Chinese invented gunpowder over a thousand years . ago. . using KNO. 3. , charcoal and sulfur.. Muzzle-loading matchlocks used wicks to ignite the gunpowder. . The cartridge and breech loading followed. . Dr. Andrew Ketsdever. Hybrid Propulsion Systems. A hybrid propulsion system is one in which one propellant is stored in liquid (or gaseous) state while the other is stored in solid phase.. Solid Propellant / Liquid (or gas) Oxidizer.