The Book of the RifleLongmans, Green, and Company, 1901 - 558 páginas |
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Página 4
... turn on itself . The spinning motion thus given continues during the flight of the bullet . It seems to have been generally accepted by writers on the subject that the earliest rifled barrels had straight grooves , the object of which ...
... turn on itself . The spinning motion thus given continues during the flight of the bullet . It seems to have been generally accepted by writers on the subject that the earliest rifled barrels had straight grooves , the object of which ...
Página 6
... turn , or one turn , or a turn and a half . ' After stating that both the pitch of the spiral , and the number , width , and depth of the grooves depend upon the fancy of the Maestro ' or maker , and that the grooves may be either ...
... turn , or one turn , or a turn and a half . ' After stating that both the pitch of the spiral , and the number , width , and depth of the grooves depend upon the fancy of the Maestro ' or maker , and that the grooves may be either ...
Página 8
... turn , or a certain number of turns , in the length of the barrel . Naturally enough , the pitch of the spiral was commonly measured by its proportion to the length of the barrel - not at all a satis- factory method , since the length ...
... turn , or a certain number of turns , in the length of the barrel . Naturally enough , the pitch of the spiral was commonly measured by its proportion to the length of the barrel - not at all a satis- factory method , since the length ...
Página 11
... turn , sometimes three - quarters of a turn , and seldom more than the whole turn in a length of 2 , 2 , and 3 feet . ' Early in the last century there seem to have been barrels made with straight grooves , but it does not seem to be ...
... turn , sometimes three - quarters of a turn , and seldom more than the whole turn in a length of 2 , 2 , and 3 feet . ' Early in the last century there seem to have been barrels made with straight grooves , but it does not seem to be ...
Página 12
... turn in the length of the barrel , and this was attended with even greater success . When , however , he tried the effect of having two turns of spiral in the length of the barrel , it appeared that , although these rifles shot well ...
... turn in the length of the barrel , and this was attended with even greater success . When , however , he tried the effect of having two turns of spiral in the length of the barrel , it appeared that , although these rifles shot well ...
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accuracy advantage allowance ammunition angle arms arranged back position back sight Baker rifle ball barrel Bisley black powder bolt bore breech breech-loading British Brunswick rifle bull's-eye bullet butt calibre cartridge centre charge clean competition competitors cordite Crown 8vo Diagrams diameter difficulty distance effect Elcho Shield elevation Enfield Express rifle feet firing-point fitted flight fore sight give grains grooves ground Illustrations inches LEE-ENFIELD Lee-Metford loading London long ranges magazine Mannlicher mark marker Martini-Henry Match rifle Metford military rifle muzzle National Rifle Association necessary ordinary orthoptic Plate possible practice prize rapid rest rifle clubs Scientific Works published score seen Service rifle shooter shooting side Sir Henry Halford smokeless powder Snider rifle spiral sporting rifles strike target telescopic sight tion trajectory trigger velocity Volunteer weapon weight Whitworth rifle Wimbledon wind writer