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4.4. Features of fire entrance damages of coarse calico at shots ПТД-3 from a revolver "Revolver"


At shots in an emphasis to a tissue of target ПТД-3 from a revolver "Revolver", on its facial surface round damage adjournment of a soot of light grey colour wrong oval, the sizes from 3,5 h 4,5 sm to 3,8 h 5,0 sm (the appendix 13 see).
A soot on the structure homogeneous, borders indistinct. The Die-print round damage was not observed.
At shots from distance of 0,5 sm (fig. 4.8) soot adjournment on coarse calico were from dark grey to light grey colour, the oval form, the sizes from 4,0 h 4,5 sm to 4,3 h 4,8 sm, and had non-uniform character in the form of annular zones. The greatest intensity of a soot observed in the centre, along the edges of entrance damage. Colour of a soot in the centre of adjournment was darkly - grey, along the edges intensity of rings of a soot decreased, external contours of a zone of adjournment of a soot had rather accurate character.
At shots from distances in an emphasis and 0,5 sm intensive adjournment of a soot from a target underside - along the edges of damages is noted.


Fig. 4.8. Soot adjournment on coarse calico in the form of annular zones at shot ПТД-3 from a revolver "Revolver", from distance 0,5 see
At shots from distance of 20 sm adjournment of a soot round entrance damage, by the sizes from 12 h 13 sm to 13 h 14см and width of homogeneous structure 3-4 sm is visually defined acyanotically - grey colour of the annular form. Contours of adjournment of a soot indistinct character.
At shots from distance and more visually adjournment of a soot round entrance damage on one of targets did not define of 40 sm.
The damages arising on tissues of targets (the appendix 17 see) in the conditions of a shot from distance in an emphasis and 0,5 sm, had the roundish or oval form, the sizes, accordingly, nearby 11 h 12 mm and 9 h 11 mm. On all damages defects of a tissue («a minus a tissue»), by the sizes 5 h 5-6 mm have been taped. Along the edges of damages defined on 4 radial anguishes of a tissue, length 5-10 mm (in an emphasis) and 9-18 mm (at distance of 0,5 sm). Visually and by means of microscope MBS round damages taped weakly - expressed individual opalenija fibers of threads of coarse calico. Threads in edges of damages of various length, their extremities razvolokneny.
The damages arising on tissues of targets at shots from distance 20, 40, 100, 200 and 300 sm had following features:
- From distance of 20 sm (fig. 4.9): damages had the oval form, 10x11 mm, with defect of a tissue («a minus a tissue»), 6x7 mm. Along the edges of damages defined 4 radial anguishes of a tissue, length 16-33 mm;


Fig. 4.9. The kind of damage of coarse calico at shot ПТД-3 from a revolver "Revolver", from distance 20 see
From distance of 40 sm: damages had the oval form, 10x11 mm, with defect of a tissue («a minus a tissue»), 4x5 mm. Along the edges of damages defined 4 radial anguishes of a tissue, length 5-7мм;
From distance of 60 sm: damages had oval, is closer to square, the form, 9x11 mm, with defect of a tissue («a minus a tissue»), 4x5 mm. Along the edges of damages defined 1-3 radial anguishes of a tissue, length 1-5 mm;
From distance of 100 sm: damages had oval, is closer to square the form, 10x11 mm, with defect of a tissue («a minus a tissue»), 5x5 mm. Along the edges of damages defined 2-3 radial anguishes of a tissue, length 2-7 mm;
From distance of 200 sm: damages had the general wrong oval form, 9x10 mm. In the central zone of damage taped «P - figurative» rupture of a tissue with formation «a flap on a leg», 3 h 5 mm (fig. 4.10), on the one hand the damage bridged to edge. Threads of a basis and a duck in a flap uploshcheny also are condensed. Along the edges of damages defined 2 3 radial anguishes of a tissue, length 1-2мм;


Fig. 4.10. Damage on coarse calico at shot ПТД-3 from a revolver "Revolver", from distance 200 see In the centre of damage tissue "flap" «on a leg», the damages bridged to edge.
- From distance of 300 sm: damages had the general both oval, and square forms, 8x9 mm. At the oval form of damages - in their centre "P-shaped" rupture of a tissue with formation «a flap on a leg» as at described above damage from distance 200 see At the square form of damage defined 2-3 radial anguishes of a tissue, length 1-2 mm.
As a result of the spent researches it is established, that on a surface amazed bjazevyh targets there was an adjournment of particles of products of a shot. Them defined on distances from 0 sm to 60±1,0 sm, from dulnogo a section of a trunk of the weapon, the greatest quantity of particles of the semiburnt down gunpowder, made 40 sm where it was revealed about 69 % from all number of particles. Rubber particles it is not taped.
Thus, results of researches show, that damages on coarse calico have various morphological features, under rather peer conditions (rate, properties of a target and ES - ПТД-1, ПТД-2, ПТД-3), thus on formation of damages influence features of an exit of additional products of a shot, property ES - elasticity, and also the kinetic energy depending on rate. At all experiments on a target substrate, in a projection of damages, taped fine fragments of threads and tissue fibers.
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Scientific source Musin Eldar Hasenovich. MEDICOLEGAL CHARACTERISTIC of DAMAGES FROM the GAS WEAPON ELASTIC SHELLS TRAUMATIC ACTIONS (experimental research). DISSERTATSIJAna scientific degree competition kaddidata medical sciences. Moscow - St.-Petersburg. 2006

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