70 years ago heavy carrier-based attack aircraft, A-3 Air Fighter

2022-06-14 0 By

In the late 1940s, limited by the technology of the time, atomic bombs were very large, more than three meters long and weighing about three to four tons.The U.S. Air Force has b-26, B-29 and other heavy bombers capable of dropping nuclear bombs.At that time, the Navy did not have a ballistic missile nuclear submarine, and if it wanted to have the ability to strike, the general fighter aircraft and attack aircraft could not carry several tons of nuclear bombs, so the U.S. Navy had to invite bids to develop a heavy attack/bomber that could throw nuclear bombs.The new aircraft was developed by American Douglas Company. The prototype was successfully flown in October 1952, and the production model was put into service in September 1953.By 1954 the A3D-2 with the J57 turbojet was delivered.The U.S. Navy has given the official designation A-3 attack aircraft the nickname “Air Warrior.”The machine uses a solid upper shoulder swept back single wing, sweep Angle of 36 degrees.The tail is in a cruciform configuration, with the vertical tail folding to the right to facilitate height restrictions within the carrier hangar.The two engines are located in the west engine compartment in front of the left and right main wings.With A crew of three, the A-3 is 23.27 meters long, 22.10 meters wingspan, 6.95 meters height and 75.4 meters wing area.Empty weight 17,870 kg, maximum takeoff weight 37,190 kg.Since an aircraft of this weight would have been difficult to take off from A carrier at the time, the A-3 would have had to take off with 12 booster rockets.It has a maximum speed of 980 km/h, a practical ceiling of 12,490 m and a range of 3,380 km.The A-3 has A payload of 5,800 kg and can carry A variety of free-fall bombs or one free-fall nuke.The self-defense weapons are two 30mm M3L guns mounted aft of the aircraft.Before entering service with the U.S. Navy’s Polaris nuclear missile submarines, the A-3 Air Fighter served as the backbone of the NAVY’s nuclear strike capability, with more than 280 units in production.At the Oklahoma National Air Show on September 1, 1956, two A-3s participated in an air show.The planes flew from Jacksonville to the Aircraft carrier Shangri-La, docked off the Oregon coast, and then took off from the carrier to Oklahoma City, where they circled the air show twice before flying back to Jacksonville.In the process, the A-3 crossed the U.S. twice, reaching an average speed of 970 kilometers per hour.The flight performance is still very good.Because the U.S. military is satisfied with the performance of the A-3 Air Fighter, because of the LARGE body of the A-3, so on this basis, many models have been derived, such as the AIR Force B-66 tactical bomber, modified EA-3B/EKA-3B electronic countermeasures aircraft, RA-3B photographic reconnaissance attack aircraft,The front of the bomb bay was modified to add a cabin for 12 cameras, as well as the TA-3B trainer.Some a-3s have been in service for 40 years.Therefore, the A-3 Air Fighter is A relatively good model among the navy’s various carrier-borne aircraft.