Minutes of proceedings of the Royal Artillery Institution (1858)
Great Britain. Army. Royal Artillery Institution · Woolwich, Eng., : The Institution · leaf 441
365 PRINCIPLES OP GUNNERY. The number of gyrations depends upon the velocity of the projectile : a projectile fired with a high velocity will make several gyrations,, while a projectile fired with only a low velocity and at a high angle of eleva¬ tion would only make a part of one gyration. Pig. 2. … Fig. 2 represents a horizontal projection of an ogival-headed pro¬ jectile at the end of the first quarter-revolution of its axis round the tangent to the trajectory — i.e., during the first quarter of gyration. G represents the position of the centre of gravity in its longer axis, GA. The…
Artillery -- Periodicals · Artillery -- Great Britain -- Periodicals
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