HEATING EFFECTS AND ENDURANCE PROPERTIES OF THE 105 mm A.A. GUN M1 AS DETERMINED BY RAPID FIRE TESTS
ARMY BALLISTIC RESEARCH LAB ABERDEEN PROVING GROUND MD
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After 169 rounds of rapid fire, the gun could not be fired further because of malfunctioning of the firing mechanism. Erosion was found to be much greater during the rapid fire. Range dispersion increased somewhat during the firing. Heating effects of 1.4 to 3.5C rise per round were obtained. Temperature differences of as much as 120C between the bore surface and the outside surface were computed.