An investigation into the behaviour of air rifle pellets in ballistic gel and their interaction with bone G. Wightman, J. Beard, R. Allison Forensic.

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Presentation transcript:

An investigation into the behaviour of air rifle pellets in ballistic gel and their interaction with bone G. Wightman, J. Beard, R. Allison Forensic Science International Volume 200, Issue 1, Pages 41-49 (July 2010) DOI: 10.1016/j.forsciint.2010.03.025 Copyright © 2010 Elsevier Ireland Ltd Terms and Conditions

Fig. 1 Pellet track in ballistic gel. Forensic Science International 2010 200, 41-49DOI: (10.1016/j.forsciint.2010.03.025) Copyright © 2010 Elsevier Ireland Ltd Terms and Conditions

Fig. 2 Effect of gel concentration on penetration under various conditions. Forensic Science International 2010 200, 41-49DOI: (10.1016/j.forsciint.2010.03.025) Copyright © 2010 Elsevier Ireland Ltd Terms and Conditions

Fig. 3 Pellet penetration against gel concentration (120 Bloom, 5m range, 13.7J). Forensic Science International 2010 200, 41-49DOI: (10.1016/j.forsciint.2010.03.025) Copyright © 2010 Elsevier Ireland Ltd Terms and Conditions

Fig. 4 Penetration at various muzzle powers. Forensic Science International 2010 200, 41-49DOI: (10.1016/j.forsciint.2010.03.025) Copyright © 2010 Elsevier Ireland Ltd Terms and Conditions

Fig. 5 Penetration of different pellets (250 Bloom, 5m). Forensic Science International 2010 200, 41-49DOI: (10.1016/j.forsciint.2010.03.025) Copyright © 2010 Elsevier Ireland Ltd Terms and Conditions

Fig. 6 Effect of range (Westlake rifle). Forensic Science International 2010 200, 41-49DOI: (10.1016/j.forsciint.2010.03.025) Copyright © 2010 Elsevier Ireland Ltd Terms and Conditions

Fig. 7 CT scan of pellets and bone. Forensic Science International 2010 200, 41-49DOI: (10.1016/j.forsciint.2010.03.025) Copyright © 2010 Elsevier Ireland Ltd Terms and Conditions

Fig. 8 CT scan of pellets with bone filtered out. Forensic Science International 2010 200, 41-49DOI: (10.1016/j.forsciint.2010.03.025) Copyright © 2010 Elsevier Ireland Ltd Terms and Conditions

Fig. 9 Damage to pellet with bone embedded 5mm into gel. Forensic Science International 2010 200, 41-49DOI: (10.1016/j.forsciint.2010.03.025) Copyright © 2010 Elsevier Ireland Ltd Terms and Conditions

Fig. 10 Damage to pellet with bone embedded 20mm into gel. Forensic Science International 2010 200, 41-49DOI: (10.1016/j.forsciint.2010.03.025) Copyright © 2010 Elsevier Ireland Ltd Terms and Conditions

Fig. 11 Damage to pellet with bone embedded 20mm into gel and at an angle of 25 degrees. Forensic Science International 2010 200, 41-49DOI: (10.1016/j.forsciint.2010.03.025) Copyright © 2010 Elsevier Ireland Ltd Terms and Conditions

Fig. 12 Track of pellet in gel showing displacement near the bone. Forensic Science International 2010 200, 41-49DOI: (10.1016/j.forsciint.2010.03.025) Copyright © 2010 Elsevier Ireland Ltd Terms and Conditions