Hollow-pfungwa bara zuro uye nhasi

Pasinei zvakanaka zvakanga chombo, mugove rake rina unhu weshumba vanoumba zvechadenga katuriji. Bad bara kubudirira bara kunogona kuitwa. Uye kutaura nyaya ino ichava mhango-pfungwa bara - chaiyo rekodhi-wokuisira nokuda anokuvadza mugumisiro.

A Nhoroondo shoma

MaKemisiti mberi zvakakonzera pakasikwa isina chiutsi Nezvakakuyiwa, vachibvumira vagadziri zvombo kuvandudza, kutanga breech-rokukwidza pfuti, vachiridzira wakaiswa zvombo. Caliber handguns akaderedza kakawanda, uye dzimwe nguva kwakavandudza zvakarurama uye Range yetsiva. Kuti vakwaniswe ballistic ehupfumi ari bara, zvakatanga kuiswa simbi deko. Uye pano akazviratidza vasingafari. Kokutanga pamusoro kushaya itsva ngozi simba mabara akataura varwi Chirungu munguva pakundopambara kuna Chitral (Pakistan). Kushandisa nepfuti "Lee-Metford" muna 1889, vakaona kuti bara katuriji "Lee-Spidey" (7.71 mm) haana muvengi ari nokukurumidza paimira chiito. Vaiva chinhu kuenzanisa, nokuti vakapfurwa kubva kare muskets 20-30-giremu zvidimbu mutobvu, uye vanga kubva kutungamirira bhora akatarisa husina zvakawanda zvinotyisa kupfuura "mugomba" by British nemabara. The mbudo nokukurumidza kuwanikwa, uye nokukurumidza. Cartridge mabara "Lee-Spidey" akatanga chete nadpilivat. "Incise" bara kana kusunungurwa kupinda muviri akadura zvikuru kuwedzera ronda chiteshi yakanga kupfuura pindana zvinodiwa simba rokuparadza. Saka akazviratidza wokutanga pamhango-pfungwa bara. Nzwisisa kutanga sawing Varungu kufuka karukova okudhindira veguta dum-dum riri pedyo Calcutta. Saka zita - "dum-dum bara."

Modern booka-pfungwa bara

Kubvira mukupera namapfumbamwe remakore yagadzirwa akasiyana-siyana zvaramba mabara dzakadaro. Conventionally, vari rakakamurwa deformable, polurazrushayuschiesya uye kuparadzwa zvachose.

Deformable, izvo, sezvinei, zvinoshanda-pamusoro apa "dum-dum bara" riri chipfuro kuunyana uye nokuwedzera dhayamita. Izvi zvinoitwa munhu pasina goko, kana chete chikamu zvizere. Polurazrushayuschiesya nokuparadza mabara vane transverse crease goko kana fanera serin'i dzegirini. mabara aya zvakundikana kana kusunungurwa kupinda mumuviri, uye zvavanoita akafanana kuti kusabatana deko. Chokwadi, negomba-pfungwa bara asina yakanaka ballistic chimiro, uye naizvozvo inoshanda chete pamusoro pfupi akareba. Kuti kubvisa drawback ichi, epurasitiki liners anoshandiswa mabara ano kuti ndizvipe anodiwa streamlining, uye panguva aaiitawo hazvivhiringidzi "vhura". Uyezve, mumwe kuwanda kunzi bara ane misha muzinda giravhiti, pamusoro ngano zhinji. Zvichakadai, nheyo dzavo chiito yakareruka nokuda haachatauri centre regiravhiti mugumo chiso bara vanowanzotanga yokutenda pamusoro apo rova chipingamupinyi, uye izvi zvinoitwa achirova dzavo dzakakwirira zvazvinoita. Zvisinei, vane murombo zvakarurama (takawanda marefu) uye murombo kuchengetedzwa punchi.

kukura

Kugona pakarepo kurega uchirwisa kana kudzingwa rebounding kana kupinda ropa chinonyanyodikanwa mu vatevedzere mutemo. Ndipo rinonyanya apo rwakakura nemabara. Rechi45 caliber ne "zvinhu zvakanaka" izvozvo anogona kupomera mumwe munhu ane chete vapfurwa. Mukuwedzera, vari kushingaira kushandiswa kuvhima guru mutambo. Uye achangobva akazviratidza kunyange kuwedzera mabara nokuda airguns, vachibvumira kushandisa izvi nehurongwa zvinobudirira ari kuvhima.