Pomilio, Ottorino · New York, McGraw-Hill · leaf 88
Fig. 60. (devices called synchronizers), which release the projectilesat the instant the propeller blades have passed in front ofthe machine gun muzzle; in other words, the projectileis fired through the plane of rotation of the propeller whenthe blade has rotated by an angle a (Fig. 60). Angle ais… … the velocity of the projectile remains constant, while theangular velocity of the propeller varies. Thus, as thenumber of revolutions change, there is a dispersion of pro-jectiles; these fall in a sector 8, which is called the angle ofdispersion of the synchronizer (Fig. 61). Now, if thisangle is…
Airplanes
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