Analysis of a Test Firing of 175mm, M437A2 Projectile for the Effect of Static and Dynamic Imbalances on Dispersion.
PICATINNY ARSENAL DOVER N J
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ECTILES, BALLISTICS, PROJECTILE TRAJECTORIES, FIRING TESTSORDNANCE, SCATTERING, TOLERANCESMECHANICS, RANGE TABLES, STATISTICAL DISTRIBUTIONSM-437 CARTRIDGES175-MM, M-437A2 CARTRIDGES175-MMTwenty-five acceptable shells from SOP Lot 12-18, selected to match the statistical distributions of static and dynamic imbalances of the entire lot, and twenty-five of the worst highest weighted sum of static and dynamic imbalances of the rejected shell from Gateway were fired at acceptance firing conditions. Each shell was randomly oriented in the breech, the two groups were fired alternately, and the impact point of each was recorded. An analytical and statistical study of the effect of static and dynamic imbalance on dispersion was conducted. The results of these studies are discussed in the report. Modified author abstract
- Ammunition and Explosives