RIGIDITY OF THE 8A HISPANO SUIZA FLEXIBLE MOUNTS VS. WEAPON STABILITY AND PERFORMANCE WHEN USED IN CONJUNCTION WITH THE HS 82OA, 20MM, WEAPON.
SPRINGFIELD ARMORY MASS
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Tests were conducted to determine whether the 8A Hispano Suiza flexible mount has sufficient rigidity to provide adequate support for the HS 820 weapon without adversely affecting weapon function and performance. A pintle type mount for the HS 820A, 20mm, weapon was modified to provide elevating and traversing features. The HS 820A weapon was attached to this mount from which remote firing and flex firing tests were conducted. Tests indicate that the HS 820A weapon will not function with a satisfactory degree of reliability when fired from the 8A pintle mount and fed from the ammunition box secured to the column of the pintle. Test procedure is described and results are discussed. Author