bal­lis­ti­nen ­hei­lu­risubstantiivi

1. 1.heiluri, jota käytetään ammuksen nopeuden mittaamiseen joko heilurin poikkeaman tai aseen rekyylin perusteella

1. 1.a physical pendulum consisting of a large mass suspended from a rod; when it is struck by a projectile its displacement is used to measure the projectile's velocity
2. 2.a ballistic pendulum consisting of a suspended gun; the velocity of a projectile in the bore of a gun can be measured by the recoil when the gun is discharged

Hierarkia