Proceedings of the United States Naval Institute, Том 45The Institute, 1919 |
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Страница 73
... mean values derived . These means differ from the value corresponding to the height equal to two - thirds of the maximum ordinate , found by the Alger method , by amounts as follows : Nominal range 15,000 . Error in f ( per cent ) ...
... mean values derived . These means differ from the value corresponding to the height equal to two - thirds of the maximum ordinate , found by the Alger method , by amounts as follows : Nominal range 15,000 . Error in f ( per cent ) ...
Страница 77
... means of a table of squares or similar means gives a new velocity V along the tangent , whence a new value of r can be deduced . If we take the mean of the two vertical velocities and multiply by dt , we get the vertical travel during ...
... means of a table of squares or similar means gives a new velocity V along the tangent , whence a new value of r can be deduced . If we take the mean of the two vertical velocities and multiply by dt , we get the vertical travel during ...
Страница 78
... mean value during the ΣΥ n Ꮴ interval At of the horizontal component of the retardation r , the quantity is likewise the means of the vertical component ΣΥ n V of r , and h Σε n V is the mean value of g during the interval . During a ...
... mean value during the ΣΥ n Ꮴ interval At of the horizontal component of the retardation r , the quantity is likewise the means of the vertical component ΣΥ n V of r , and h Σε n V is the mean value of g during the interval . During a ...
Страница 79
... means of the two values of rh , r , and g are taken , and new values are found for V and V. by subtracting from the first values of V the mean of the two values of rh , multiplied by At , and from the first value of V , the mean of the ...
... means of the two values of rh , r , and g are taken , and new values are found for V and V. by subtracting from the first values of V the mean of the two values of rh , multiplied by At , and from the first value of V , the mean of the ...
Страница 84
... means that the 12 " shell must have 200 f . s . more initial velocity to overcome the handicap of smaller weight , as compared to the 14 " , if the type of shell is the same ; but that a small change in the shape of the shell , a ...
... means that the 12 " shell must have 200 f . s . more initial velocity to overcome the handicap of smaller weight , as compared to the 14 " , if the type of shell is the same ; but that a small change in the shape of the shell , a ...
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