Throughout the very first 1 / 2 of the Second World War, the Messerschmitt Bf109 E had been the main fighter associated with German Air force. The E-4 housed a 1,100 hp Daimler Benz DB 601Aa engine and was armed with two 7.9mm machine firearms in the nose, as well as 20mm cannon for each wing. For some aircraft, bulletproof glass ended up being always reinforce leading associated with the canopy. Also, a 20mm cannon, which went through a tube in propeller was said to be installed but was unsuccessful. Showing superb acceleration and scuba diving ability, the E-type planes overpowered RAF's Hawk Hurricane and equaled the Spitfire fighters inside Battle of Britain. However, with a trip range of only 560km, the E-4 planes were limited by just fifteen mins of combat over British skies. Hence, the bombers are not offered enough support and sustained hefty damage. Consequently, the Luftwaffe's strategy to bomb England into surrender ended in failure. To deal with the downside, the E-4 planes were equipped with another 300L fuel tank. These improved fighters, called E-7, had been first deployed at the conclusion of 1940. Following the Battle of Britain, the E-4/7 planes had been sent to the front lines of Northern Africa. Once the Bf109 F-type fighter's production higher level, the E-4/7 ended up being resigned from front side lines. But some veteran pilots proceeded to make use of the E-4/7 mainly for ground help responsibility before summer time of 1942.