What Was the State of German Tank Design In Between the World Wars?

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The Panzer I, the tank sent to Spain, was initially designed as an "industrial tractor" in order to get around arms controls agreements. It had a number of limitations ranging from slow speed to engine problems to inadequate armor to less effective armament. It's primary/original purpose was for the German command to teach soldiers armored warfare while not having treaty breaking armor.

The Soviet built T-26 was a much better design and taken from the successful British Vickers tanks. It, like a lot of Soviet armaments, was easy to manufacture and maintain and simple for the average soldier to use. The T-34 continued this trend.

The Panzer III and IV were the main battle tanks when WWII started in 1939. These tanks did well against the unprepared French and British forces. When the invasion of the USSR began, it became clear that these tanks had inferior guns. Superior armor tactics, however, gave the Germans about a 6:1 kill ratio over the Soviets.

The Tiger was still in the design phase during the late 1930's. It incorporated the famous German 88mm cannon and sported heavier armor than any contemporary tank. It suffered from being so technically advanced, making it expensive to build, difficult to maintain and prone to mechanical breakdown and malfunction. It was first deployed to North Africa and the Eastern front in 1942. Due to Allied bombing and the complexity and cost, the Tiger didn't see a wide deployment. Allied tank tactics used the low numbers to their advantage through flanking maneuvers that the outnumbered Germans couldn't effectively counter.

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German tanks were generally inferior to Allied and Soviet designs in the pre-war years.

The Germans were limited in what they could build due to the restrictions imposed upon them by the Treaty of Versailles, limiting their military. Indeed this treaty stated that they were not allowed any tanks at all but in the 1930s as they began to re-arm the treaty was largely ignored.

When Germany invaded France in 1940, their tanks were inferior to the French (and British) designs as this quote from Wikipedia (and Heinz Guderian) illustrates:

The French Army preferred to fight a defensive battle and built tanks accordingly. But there were some instances when some of the French tanks were able to slug it out with the German tanks and get the better of it, sometimes spectacularly so as when on 16 May a single Char B1 French heavy tank, the Eure, frontally attacked and destroyed thirteen German tanks lying in ambush in Stonne, all of them Panzer IIIs and Panzer IVs, in the course of a few minutes.[1] The tank safely returning despite being hit 140 times (this event is not trackable in German documents and relies on the statements of the crew[citation needed]). Similarly, in his book Panzer Leader, Heinz Guderian relates the following incident, which took place during a tank battle south of Juniville: "While the tank battle was in progress, I attempted, in vain, to destroy a Char B with a captured 47 mm anti-tank gun; all the shells I fired at it simply bounced harmlessly off its thick armor. Our 37 mm and 20 mm guns were equally ineffective against this adversary. As a result, we inevitably suffered sadly heavy casualties".

The main reason that Germany won so decisively in early battles was due to Blitzkrieg tactics and the way their armour was organised. The French tended to use their tanks in defensive positions that negated the advantage of mobility and they spread them out so tanks were not concentrated together. This meant when French tanks did engage German armour they were almost always fighting against superior numbers.

The Panzer IV was the most advanced German tank produced before the war:

http://en.wikipedia.org/wiki/Panzer_IV

Total numbers were around 200 before the outbreak of war.

Strangely the Germans didn't learn the lessons of the Blitzkrieg themselves and when faced with the more agile and numerous Russian T34 tank they produced slower and more expensive tanks that were always going to be outnumbered.

Upvote:7

In addition to the excellent answers, German inter-war tank designs had two technical advantages: turret layout and radios.

The Panzer I and Panzer II both had the commander also operating the gun. The Germans learned that being a tank commander was a full time job: commanding the tank, scanning for targets, listening to the command radio network. With the Panzer III they settled on the three person turret design that remains to this day: commander, gunner, loader. Their superior ergonomics gave their tanks a better situational awareness, rate of fire, and could allow more complicated tactics. Other nations, most notably the Soviet Union with the T-34, were slow to learn this lesson and their tanks were hampered by a two man turret.

At the beginning of WWII radios were expensive, heavy, and power hungry. Many tanks, especially light tanks, did not have radios. This limited the tactics and maneuvers they could perform: tank tactics either had to be very simple, slow and deliberate, or they would just sort of run around pell-mell. The Germans put a radio in every tank allowing rapid communication, coordination and complex, fluid tactics that could adapt to the situation. This allowed them to use their often inferior tanks to great advantage to outflank and outmaneuver the enemy and generally press the pace of battle at a speed the Allies could not keep up with.

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