![]() However, a planned set of tests at 20 degrees was not Top of the thick AP cap in order to improve range and striking velocity. With this success, a final design iteration added a windscreen on ![]() Prototype, all penetrated intact at a 15 degrees striking angle. These projectiles, despite being somewhat lighter than the first Version had a blunter nose and a thicker AP cap but no windscreen. As a result of these failures, the old design was abandoned and a new prototype was designed. Various iterations of this projectile were tested, but they all broke up when striking aģ00 mm KC plate at 15 degrees. 38 cm was a L/3.4 projectile which had a design very similar to the earlier Psgr.ģ0.5 cm, but had a minimally larger meplat. 38 cm did not quite meet the 20ĭegree requirement. However, unlike the performance of the smaller projectiles, the original design of the Psgr. For the 38 cm L/3.5 and 35 cm L/3.6 (intended for the unfinished Mackensen class battlecruisers) theĬorresponding requirement for the 35 cm L/3.6 projectile was to penetrate a 280 mm KC plate and for the the 38 cm L/3.5 to penetrateĪ 300 mm KC plate at a 20 degree obliquity with the actual penetration velocities realized ranging between 582 and 607 mps. This requirement existed in addition to the 1.0 T/D at normal and 0.5 T/D at 30 degrees When striking KC armor at 20 deg obliquity. L/3.4 projectiles were required to and capable of penetrating plates of 0.8 Thickness/Diameter (T/D) in a condition fit to burst Sketches that the AP cap and windscreen had a different shape than the earlier projectiles. 38 cm had a somewhat blunter, 1.7 crh projectile nose under the cap. 28.3cmĪnd 30.5cm was 2.0 crh, while the Psgr. Of these had an AP cap contour equal to 6.0crh, but with differently sized meplats. The adjacent sketch shows scale drawings of German World War I armor piercing projectiles (Psgr.) for the major cannons. This section is the work of delcyros who researched the development of the German Psgr. These guns also had hydraulically worked shell hoists, rammers and breeches.Ĭonstructed from shrunk on tubes and hoops and used a Krupp horizontal sliding wedge breech block. The naval mountings for these guns used electric pumps to drive hydraulic elevation gear while the training One gun was greatly altered and became the long range "Paris Gun." Positions in and around Dunkirk (Dunkerque). Pommern battery, located at Leugenboom in Belgium, is perhaps best known for firing about 500 roundsīetween June 1917 and October 1918 at ranges of up to about 48,000 yards (44,000 m), including many at Allied Coast Defense Batteryĭeutschland was equipped with four of these guns and Battery Pommern had one more. Used on the Western Front where they were known as "Max" or "Lange Max" (Long Max). Those guns planned for the uncompleted battleships Sachsen and Württemberg were instead Used on the Baden class battleships, which wereĬompleted too late to participate in the Battle of Jutland (Skagerrak) and saw little action during the rest The most powerful German naval gun of World War I.
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