Ina hoko koepirimia patu tinana, Kare rawa koe e haere ki te panui i te tapanga o te patu tinana, a kaore koe e patai ki te mana o te patu tinana，Engari kaua koe e manukanuka, kei nga toa hokohoko auau he tiwhikete tirotiro me te tohu paerewa, mena hoko koe patu tinana i roto i te mākete tūmataiti e whai ki te ako i te ihirangi e whai ake nei.
He aha te NIJ Paerewa?
Ko tenei tuhinga a te National Institute of Justice (NIJ), Ballistic Resistance of Body Armour, NIJ Standard 0101.07, e whakaatu ana i nga whakaritenga mahi iti me nga tikanga whakamatautau mo te aukati poikiri ohutu anti riotwhakamahia e te US uruhi ture e te tikanga ki te tiaki i te rama ki te pu me te pu raiwhara.He whakahoutanga o te National Institute of Justice (NIJ) Paerewa 0101.06, Ballistic Resistance of Body Armour, i whakaputaina i te tau 2008.
Momo IIA (9 mm; .40 S&W)
Ko te momo patu IIA he mea hou, kaore ano kia mau, ka whakamatauria ki te 9 mm Ko te Taakaa Koata KatoaNga matā ihu Porowhita (FMJ RN) me te papatipu kua tohua he 8.0 g (124 gr) me te tere o te 373 m/s± 9.1 m/s (1225 ft/s ± 30 ft/s) me te .40 S&W Full Metal Jacketed (FMJ) matā me te11.7 g (180 gr) me te tere o te 352 m/s ± 9.1 m/s (1155 ft/s ± 30 ft/s).
Ko te momo patu IIA kua oti te whakarite ka whakamatauhia ki te 9 mm FMJ matā RN mehe papatipu kua tohua o 8.0 g (124 gr) me te tere o te 355 m/s ± 9.1 m/s (1165 ft/s ± 30 ft/s) meme te .40 matā S&W FMJ me te papatipu kua tohua o 11.7 g (180 gr) me te tere o te 325 m/s ±9.1 m/s (1065 ft/s ± 30 ft/s).
Momo II (9 mm; .357 Magnum)
Ko nga patu momo II he mea hou me te kore e mau ka whakamatauhia ki te 9 mm FMJ RN matā me te papatipu kua tohua o 8.0 g (124 gr) me te tere o te 398 m/s ± 9.1 m/s (1305 ft/s ± 30 ft/ s) me te .357 Magnum Jacketed Soft Point (JSP) matā me te papatipu kua tohua o 10.2 g (158 gr) me te tere o te 436 m/s ± 9.1 m/s (1430 ft/s ± 30 ft/s).
Ko nga patu momo II kua tohua ka whakamatauhia ki te 9 mm FMJ RN matā me te papatipu kua tohua o 8.0 g (124 gr) me te tere o te 379 m/s ±9.1 m/s (1245 ft/s ± 30 ft/s ) me te.357 Magnum JSP matā me te papatipu kua tohua o 10.2 g (158 gr) me te tere o te 408 m/s ±9.1 m/s (1340 ft/s ± 30 ft/s).
Momo IIIA (.357 SIG; .44 Magnum)
Ko nga momo patu IIIA he mea hou me te kore e mau ka whakamatauria ki te .357 SIG FMJ Flat Nose (FN) matā me te papatipu kua tohua o 8.1 g (125 gr) me te tere o te 448 m/s ± 9.1 m/s (1470 ft/s). s ± 30 ft/s) me te .44 Magnum Semi Jacketed Hollow Point (SJHP) matā me te papatipu kua tohua o 15.6 g (240 gr) me te tere o te 436 m/s ± 9.1 m/s (1430 ft/s ± 30 ft/s).
Momo IIIA patu kua oti te whakamaarama ka whakamatauhia ki te .357 SIG FMJ FN matā me te papatipu kua tohua o 8.1 g (125 gr) me te tere o te 430 m/s ± 9.1 m/s (1410 ft/s ± 30 ft/ s)me te .44 Magnum SJHP matā me te papatipu kua tohua o 15.6 g (240 gr) me te tere o te 408 m/s ± 9.1 m/s (1340 ft/s ± 30 ft/s).
Momo III (Raiwhara)
Momo III te patu pakeke, te whakauru pereti ranei ka whakamatauhia i roto i te ahua o te ahua me te 7.62 mm FMJ, nga matā koti maitai (US Military designation M80) me te papatipu kua tohua o 9.6 g (147 gr) me te tere o te 847 m/s ± 9.1 m /s (2780 ft/s ± 30 ft/s). Momo III ka whakamatauria nga patu ngawari i roto i te ahua "hou" me te ahua o te ahua me te 7.62 mm FMJ, nga matā koti maitai (US Military designation M80) me te tohu tohu. 9.6 g (147 gr) me te tere o te 847 m/s ± 9.1 m/s (2780 ft/s ± 30 ft/s).
Mo te momo patu patu mo te momo III, te whakauru pereti ranei ka whakamatauria hei hoahoa hono, ka whakamatauria te patu ngawari kia rite ki tenei paerewa ka kitea he pai hei patu mokemoke i tona taumata whakatuma.Ko te whakakotahitanga o te patu ngawari me te patu pakeke/pereti ka whakamatauria hei punaha ka kitea hei whakamarumaru i te taumata whakatuma kua tohua e te punaha.Ko nga patu maro kua whakaaetia e te NIJ me nga whakauru pereti me tino tohuhia hei whakamarumaru poikiri anake ka mau ki te taha o te punaha patu ngawari kua whakaaetia e NIJ i whakamatauria ai.
Momo IV (Raiwhara wero patu patu)
Momo IV te patu maro, te whakauru pereti ranei ka whakamatauhia i roto i te ahua o te ahua me te .30 caliber armor piercing (AP) matā (US Military designation M2 AP) me te papatipu kua tohua o 10.8 g (166 gr) me te tere o te 878 m/s ± 9.1 m/s (2880 ft/s ± 30 ft/s). Momo IV ka whakamatauhia nga patu ngawari i roto i te ahua "hou" me te ahua o te ahua me te .30 caliber AP matā (US Military designation M2 AP) me he papatipu kua tohua 10.8 g (166 gr) me te tere o te 878 m/s ± 9.1 m/s (2880 ft/s ± 30 ft/s).
Mo te momo patu patu momo IV, he whakauru pereti ranei ka whakamatauria hei hoahoa hono, ka whakamatauria te patu ngawari i runga i tenei paerewa ka kitea he pai hei patu tu-koke i tona taumata whakatuma.Ko te whakakotahitanga o te patu ngawari me te patu pakeke/pereti ka whakamatauria hei punaha ka kitea hei whakamarumaru i te taumata whakatuma o te punaha.Ko nga patu pakeke kua whakaaetia e te NIJ me nga whakauru pereti me tino tapanga hei whakamarumaru poikiri anake ka mau ki te taha o te NIJ kua whakaaetia.patu hangorete punaha i whakamatauria ai ratou.
Wā tuku: Maehe-09-2024