Én is kismilliószor másoltam be, hogy a Franciák szerint az űrméret alatti kinetikus lőszer, az APDS az 1,100 / 1,200 méter felett használhatatlan volt a 60 fokon döntött, 100 - 120 milis acéllap ellen, de nem reagálsz rá semmit, csak továbbra is a Német álláspontot tolod, nem pedig neki állsz korrigálni / cáfolni / reagálni a Francia álláspontra.
Megtehették volna, hogy az AMX-ashoz is ugyanazt az APDS-t meg L7-est veszik, mint a Leó 1-eshez, de nem, mert intenzíven teszteltek, és belátták, hogy sokra nem való.
A németek meglőtték a T-62-t és ez lett az eredménye:
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It must be noted that the glacis armour is stronger than the LOS thickness may suggest when attacked with AP and APDS rounds due to the slope of the armour as these two ammunition types have degraded penetration on sloped plate.
A German source indicates that the hull of the T-62 can be defeated by 105mm DM13 APDS (West German licence-produced version of the British L28A1 round) from a distance of 1,800 meters. In a separate set of tests, West German data showed that the safety limit of the 100mm upper glacis plate of the T-55 at its constructional obliquity of 60 degrees is 2,000 meters. Here, the safety limit is defined as the distance where it is not possible to defeat the armour. This is consistent with other German info saying that the distance limit of 105mm APDS against this armour is 1,800 meters, where the distance limit is defined as the maximum range at which it is possible to defeat the armour.
When the impact angle increases slightly to 61 degrees, the safety limit against DM13 increases to 1,500 meters. Based on this, the distance limit would be around 1,300 meters. It is possible for the T-62 upper glacis to achieve a compound angle of 61 degrees if the hull is turned sideways by 14 degrees, but the same effect can be obtained if the ground were only slightly inclined. At an impact angle of 63 degrees, the safety limit is 1,000 meters. From this, the distance limit would be around 800 meters. To achieve a compound angle of 63 degrees, the T-62 hull would have to be turned sideways by 25 degrees. At an impact angle of 65 degrees, the safety distance is 200 meters. To have a chance of defeating the upper glacis, DM13 would have to strike it at its muzzle velocity. It is possible for a T-62 to increase the relative obliquity of its upper glacis by being situated on a gentle reverse slope.
These results are valid for DM13 itself, L28A1, and M392A1 which is the L28A1 round licence-produced in the U.S with minor modifications. In the U.K, the L28A1 round was quickly replaced by L52 in the mid to late 1960's and the U.S Army began licence-producing the L52 as the M728 round in the early 1970's. However, even though the L52 round was available by at least 1966, it is important to note that for NATO nations outside of Britain and the U.S, the 105mm L7 itself did not become commonplace until the late 1960's when the Leopard 1 achieved an initial operating capability (IOC) in West Germany, Belgium, the Netherlands and Norway, and when the Dutch finished upgrading their Centurion tanks by retrofitting L7 guns. Dutch and Norwegian Leopard 1 tanks were supplied with L52 rounds whereas in West Germany, DM13 was the standard APDS round for the Bundeswehr's Leopard 1 tanks.
With this in mind, the protection offered by the T-62 hull armour was good when the tank initially entered service and could still be considered adequate throughout the 1960's. It remained somewhat acceptable up to the early to mid-1970's. By then, both the L7 gun and the L52 round had become the new standard for NATO armies with the notable exception of West Germany.
Moreover, it is interesting to note that the 500-meter plummet in the effective range of DM13 with such a small increase in the impact angle from 60 degrees to 61 degrees indicates that despite the enhanced performance of this APDS design compared to early types like the Mk. 3 round for the 20 pdr. gun, sloped homogeneous armour still posed a very serious challenge."
