John Breed, Diary and Training diary, item 76

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Point Blank Range; Is the range due to the jump of the gun

__________________________________

Drift; The constant deflection of the projectile from the plane

of departure due to the rotation imparted by the rifling


Note

Drift is compensated for in guns by placing the

tangent sight in the gun at a permanent angle of set

but in the 18 Scr 6 F the right trunnion of the Cradle

is a 1 1/2 degrees higher than the left

__________________________________

Battery Angle; The angle formed at the Battery by imaginary

lines drawn to the target and the Observing Station

__________________________________

Muzzle Velocity; The velocity in feet per second with which a

projectile leaves the muzzle

__________________________________

Maintaining Velocity; The velocity of the projectile at any given

point of its trajectory

_________________________________

Striking Velocity The velocity of the projectile at the point

of impact

_________________________________

Transcription saved

Point Blank Range; Is the range due to the jump of the gun

__________________________________

Drift; The constant deflection of the projectile from the plane

of departure due to the rotation imparted by the rifling


Note

Drift is compensated for in guns by placing the

tangent sight in the gun at a permanent angle of set

but in the 18 Scr 6 F the right trunnion of the Cradle

is a 1 1/2 degrees higher than the left

__________________________________

Battery Angle; The angle formed at the Battery by imaginary

lines drawn to the target and the Observing Station

__________________________________

Muzzle Velocity; The velocity in feet per second with which a

projectile leaves the muzzle

__________________________________

Maintaining Velocity; The velocity of the projectile at any given

point of its trajectory

_________________________________

Striking Velocity The velocity of the projectile at the point

of impact

_________________________________


Transcription history
  • March 27, 2017 03:32:46 Cheryl Ellsworth

    Point Blank Range; Is the range due to the jump of the gun

    __________________________________

    Drift; The constant deflection of the projectile from the plane

    of departure due to the rotation imparted by the rifling


    Note

    Drift is compensated for in guns by placing the

    tangent sight in the gun at a permanent angle of set

    but in the 18 Scr 6 F the right trunnion of the Cradle

    is a 1 1/2 degrees higher than the left

    __________________________________

    Battery Angle; The angle formed at the Battery by imaginary

    lines drawn to the target and the Observing Station

    __________________________________

    Muzzle Velocity; The velocity in feet per second with which a

    projectile leaves the muzzle

    __________________________________

    Maintaining Velocity; The velocity of the projectile at any given

    point of its trajectory

    _________________________________

    Striking Velocity The velocity of the projectile at the point

    of impact

    _________________________________

  • February 24, 2017 20:33:27 Erin Gordon

    Point Blank Range;          Is the range due to the jump of the gun


    Drift;          The constant deflection of the projectile from the plane

                        of departure due to the rotation imparted by the rifling


    Note

                        Drift is only compensated for in guns by placing the

                        tangent sight in teh gun at a permanent angle of set

                        but in the 18 Pcr 6 F the right trunnion of the bradle 

                        is a 1 1/2 degrees higher than the left


    Battery Angle;          The angle formed at the Battery by imaginary

                                         lines drawn to the target and the Observing Station


    Muzzle Velocity          The velocity in feet per second with which a

                                            projectile leaves the muzzle


    Maintaining Velocity;          The velocity of the projectile at any given

                                                    point of its trajectory


    Striking Velocity          The velocity of the projectile at the point

                                            of impact


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    ID
    17035 / 198315
    Source
    http://europeana1914-1918.eu/...
    Contributor
    Mrs Jean Hanby
    License
    http://creativecommons.org/licenses/by-sa/3.0/


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