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5 cm KwK Penetration Tables

This booklet follows the same rules for penetration tables I posted previously. A black area indicates a vulnerable spot, shaded area indicates a spot that can be damaged, shooting at a white area will have no effect.

Traditionally, the T-34 is first. The "T 34 A" refers to a tank with a welded turret, the "T 34 B" has a cast turret. The cast turret appears to be more effective. The 5 cm KwK 39 L/60 is almost completely ineffective from the front: only a hit to the front of the turret with APCR (or in the welded turret's case, AP) from 100 meters will penetrate. The side of the tank is also tough: only AP or APCR at 100-200 meters will penetrate the side. Mysteriously, the added power of the cast turret's armour also affects the hull, as the T-34 A's side can be penetrated with AP from 100 meters and APCR from 200 meters. The T-34 B's side can be penetrated with APCR from 100 meters and not penetrated by AP at all. In both tanks, hitting the flat side armour will achieve a penetration from 500 meters with AP and 550 meters with APCR. The back of the turret has the same vulnerability as the sides. It's unclear if the Germans made a distinction between tanks with a gun service hatch in the rear and those without. The hull is immune from the rear.

Next is the KV series. The regular KV-1 is vulnerable to APCR from the front at a suicidally close range of 50-100 meters. The "KW I C", a KV tank with a cast armour turret and applique armour, is not vulnerable. Only shooting at the gun mount, hull MG, or driver's vision slit can disable the tank. The KV-2 has the same vulnerability as the KV-1, but the large flat section of the armour under the gun can be penetrated from 250 meters with APCR.

The side of the tanks is more vulnerable. The KV-1 and KV-2 can be penetrated from up to 250 meters with APCR. The KV-1 with applique armour is better protected. Only the hull armour is vulnerable, excluding areas with applique armour along the side. 

From the rear, the KV-1 and KV-2 are similarly vulnerable, with the back of the turret being the most tempting target. The cast turret of the KV-1 with applique armour is immune even from the rear. The gunner's only chance is to hit the lower rear armour or the simplified sloped rear armour (compared to the first KV-1's more elegant curve) with APCR. It is also possible to start a fire by hitting a small strip where the air intake is located.

Even though the manual was published in 1943 and the Matilda was not a common sight on the Eastern Front, it's still included in the manual. The tank is a little bit more vulnerable than the KV, but not by much. AP is still ineffective. Penetration can be achieved from up to 350 meters from the front if the driver's visor is hit, otherwise only from 100 meters if the face of the wedged armour is hit. The side is vulnerable from 100-250 meters. As expected, the spaced armour around the tracks absorbs even APCR very effectively.

The tank is vulnerable from 250 meters from the rear of the turret or cupola are hit. A lucky hit with HE to the engine deck can start a fire.

Moving on to the next British infantry tank, the Valentine. A note is made that this data is calculated and needs to be confirmed. Unlike the Matilda, the Valentine can be penetrated from the front at 100 meters with AP or up to 400 with APCR. The same goes for the lower side of the tank, penetration of the upper side is unlikely. The back of the tank is not much weaker than the front, vulnerable at 400-500 meters against APCR and 100 meters against AP. Again, a hit to the engine deck has a chance of starting a fire.

The Churchill III wraps up the infantry tank series, although a note is made that the Churchill I and II are subject to the same rules. The tank is a little tougher than the Matilda: its weakest spot can be penetrated from the front at 200 meters with APCR. From the side, the protection of the turret is slightly better than the Matilda, but protection of the side is much worse. A penetration can be scored from 300 meters if using APCR. If the strip above the suspension is hit, it can be penetrated from 200 meters with AP and 450 with APCR. Predictably, the rear of the tank is the weakest. The back of the turret can be penetrated from 300 meters with APCR (the Churchill I and II are actually tougher and can be penetrated from 200 meters). Fire to the rear of the tank is effective from 300 meters with AP or 550 with APCR. Since the engine deck is not sloped, the gunner is not instructed to set it on fire with HE.

Moving on to the Americans, the M3 Lee is much more vulnerable from the front. The turret armour and heavily sloped glacis are immune, but there are plenty of weaker points for the gunner to aim at with APCR or even AP. A hit to the sponson, which is a pretty large target, will be effective from 500 meters even with AP.

Similarly, the side offers a large and tempting target. Fire with AP is effective from up to 800 meters. Fire with APCR is effective from 550 meters, as this is the maximum effective range of this type of ammunition. The tank's rear is similarly vulnerable. It's possible to set the engine on fire by hitting the pocket between the air filters. 

The data for this tank is also calculated.

Last but not least, the Sherman tank. Like the T-34, the Sherman proves a formidable opponent from the front. The only weak area is the cast transmission plate cover. Firing at the bow MGs, air intake, and periscopes might have some effect. The manual depicts a very interesting tank: an M4A1 with bow MGs, indicating an early vehicle, but no DV ports or three piece transmission cover, which this type of tank should have. It's interesting that an M4A1 is depicted at all, considering that all Shermans the Germans would have met were M4A2 models.

From the side, the turret is vulnerable to APCR from 300 meters, the hull is vulnerable to AP from 400-800 meters (depending on where it lands), the APCR is effective from maximum range. The artist also hit a snag here, with some kind of doubled up return roller. 

The back of the tank is tougher than the Lee's. You can still light it on fire by hitting underneath the engine deck, but AP can only take it from 550 meters, and the vulnerable area is much smaller. APCR is also effective against that area, but other areas are available when firing from 300-400 meters. 

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