Projectile for a projectile weaving machine, characterized in that the projectile body (30) or driver (40) made of metal, plastic or combinations thereof, which is designed as a cylindrical round element in a first embodiment, comprises the input cone (7, 7 '), the convex-shaped guide cone (8,8 '), the compression spring (9,9'), the cylinder (16), the ventilation duct (5,5 '), the blind hole (10,10') with the compression spring (11,11 ') and the pin (12, 12') and at least three ventilation channels (5.5 '), each at 120 ° to each other and in one plane, and that the driver (40) has the oval body (15, 15'), has the partial piston (14, 14 ') running in the cylinder (16) and the ramp cone (13, 13') on which the pin (12, 12 ') runs, the weft thread (18, 18') after leaving the blow nozzle (17,17 ') is blown through the hole (4,4') of the acceleration element (3,3 ') into the inlet cone (7,7').
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