The 3 cm MK 303 Flak and twin-mounted 3 cm MK 303 Flakzwilling (M44) were experimental 30 mm anti-aircraft guns developed in Nazi Germany. They fired the powerful 30x210mm round and only 222 were produced. [1] .

The 3.7 cm Flak 18/36/37 was a series of anti-aircraft guns produced by Nazi Germany that saw widespread service in the Second World War. The cannon was fully automatic and effective against aircraft flying at altitudes up to 4,200 m. [4] The cannon was produced in both towed and self-propelled versions.

The 3.7 cm Flak 43 was a light anti-aircraft (AA) gun used by Nazi Germany during World War II. It was derived from the 3.7-centimeter (1.5 in) Flak 18/36/37 series of AA guns. It was provided with single- and twin-gun mounts, the latter being designated as the 3.7 cm Flak 43 Zwilling and was in service from 1944 to 1945.

2022年2月4日 · The 3 cm Flak 38 was a gas-operated and fully automatic gun capable of firing at 450 rpm, but the more practical rate of fire was 250 rpm. The 3 cm Flak 103/38 introduced a new belt-fed system which replaced the older 20 round magazine fed system.

新的Flak43型3.7cm高射炮将射速从原来的120发/分提升到了150发/分，同时战斗重量降至1250千克（2760磅），运输重量降至2000千克（4400磅）。 新的Flak43几乎都被安装在了自行载具上（例如Sd.Kfz.7型半履带车）。

Wehrmacht 3 cm Flakvierling 103/38 land mounting. Type XXI U-boat U 3017 in the Vickers shipyard at Barrow-in-Furness in August 1945. The flak towers have 2 cm guns as the 3 cm guns were not ready in time. "N 41" was her British hull number.

In 1943, the Flak 43 variant design was completed, which lightened the combat weight from 1,550 to 1,250 kilograms and improved the rate of fire to 150 rounds per minute. Flak 43 weapons were either mounted singly or doubly, the latter of which had the designation of 3.7 cm Flakzwilling 43.

The 3.7 cm Flak 43 was a dramatic improvement over older models. A new gas-operated breech increased the practical firing rate to 150 RPM, while at the same time dropping in weight to 1,250 kg (2,760 lb) in combat, and 2,000 kg (4,400 lb) in transport.

2009年12月15日 · I am looking for information and more pictures about 3cm Flak 103/38 AA gun. According to Ian Hogg: "This was a hastily arranged marriage between the 3cm MK 103, a Rheinmetall -Borsig design of aircraft cannon, and a modified 2cm Flak 38 mounting. It was developed in mid-1944.....

The 3 cm MK 303 Flak and twin-mounted 3 cm MK 303 Flakzwilling (M44) were experimental 30 mm anti-aircraft guns developed in Nazi Germany. They fired the powerful 30x210mm round and only 222 were produced.[1]