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Mensaje: <blockquote data-quote="Teseo" data-source="post: 8402" data-attributes="member: 33"><p>In 1986 a version of the Chieftain was fielded to bridge the gap between the slow Challenger tank production and the increasingly obsolete Chieftain tank. This was achieved by adding “Stillbrew” appliqué armor to the turret front plus a liner inside. This appliqué was thought to be a ceramic steel sandwich  possibly with an air gap, but it appears to be just a steel rubber appliqué that’s applied directly to the cast turret.The turret steel mass went up by >11 cm across most of the frontal turret profile, while the steel rubber layers on top of the cast armor offered a ME of ~ 1.0. The appliqué by its self should have a ME of ~ 1.27  resulting in a KE resistance + 14cm  or ~ 52±13 cm RHAe,  while the HEAT ME should be 1.38 over all [42 + 18 + 2 x 1.2] or 74±16cm RHAe.So the simple addition of Stillbrew appliqué brought it up to Chobham armor levels.</p></blockquote><p></p>