F11 Fighter Jet Speed - In the early days of aviation, rumors circulated about the downed Grumman F11F Tiger. Image courtesy of US Navy, public domain, via Wikimedia Commons.
In the early 1950s, aircraft manufacturers began modernizing the F9F-6/7 Cougar with reduced drag and higher speed. After a redesign in 1953, the result was an aircraft very different from the Cougar. rear spoiler And a spoiler instead of a wing for controlling the car, and the wings can be folded down for easy storage on the plane. In its maiden flight in April 1955, the assembled Grumman F11F Tiger showed its greatest strength, approaching the speed of sound (Mach 1) with an impression. The Navy ordered more than 400 of these ships to be developed for service. Became the plane of the Blue Angels squadron.
F11 Fighter Jet Speed
Despite its initial popularity, the Tiger quickly proved bad: unreliable engines, insufficient range and durability. and performance is inferior to other aircraft models For example, the Vought F-8 Crusader in 1959 production ceased. The Blue Angels continued to fly for another 10 years before switching to the McDonnell Douglas F-4 Phantom II, although their service time was short. But its early speeds left a legacy—most famously because it was the first plane to be shot down so quickly.
F 11f 1 Tiger
On September 21, 1956, US Navy junior test pilot Tom Attridge Board an F11F Tiger (BuNo 138620) from Long Island, New York to test weapons over the Atlantic Ocean. He climbed to an altitude of 20,000 feet, began diving with a Mach 1 and fired two 20mm guns until the bullets reached 13,000 feet. And at about 7,000 feet, a solid object hit the windshield of his car. thinking it might be a bird He quickly realized that he had a big problem on his hands. That is, his plane has no power.
Pull up the hill back to 230 mph and begin your return to station. inability to maintain height He tried to use more power. But the power was no more than 78%. The plane crashed into a sea of trees about a mile from the road, traveled 300 feet, and caught fire. It's a total loss. Attridge suffered multiple broken leg and spinal fractures. But fortunately he survived. later learned that it was not a bird that had been taken down As it turns out, the problem came from a more surprising source: his own cycle.
Many people believe that no matter how fast an airplane can fly, in the end The velocity of a typical bullet is about 1,700 mph, Mach 1 in which the Attridge travels at 768 mph. That's almost a 1000 mph difference. Obviously this confirms the damage caused by something like a bird or a small meteorite. However, that idea is wrong.
The round Attridge fired while traveling at 768 miles per hour. keeping their guns at about 2,000 mph. They have added enough air resistance to create significant drag. This drag greatly reduces the forward speed. Curves its trajectory—corresponding to the ejecting plane's flight path. As the projectile descended and its velocity dropped to approximately 400 mph, the Tiger descended and increased its speed to 880 mph. As he began to retreat from him, Attridge struck three times. The first bullet pierced his nose. The second bullet pierced his windshield. And the last bullet hit directly on the right side of the engine. The time between firing the first round and firing was only 11 seconds.
Lockheed F 117 Nighthawk
The Navy considers this a one-in-a-million event and intends it never to happen again. However, Attridge is not so sure. "At the speed we're flying today," he later said. "It can double all the time," he was right. In 1973, another Grumman test pilot flew an F-14 Tomcat in California. was shot down by his own missile. Thankfully it was a smoke detector. And pilots can jump to safety. Most recently, in 2019, a Dutch Air Force F-16 accidentally fired itself from a 20mm rotary cannon. The pilot was able to land the plane safely without being injured.
Nowadays, aviation systems tend to depend on guns. not just ammunition Even if they detect heat or guide radar. Missiles also have many advantages, such as speed, which are easily superior to any bullet or aircraft. to protect the missile from damage The missiles are specially designed to be faster than the aircraft they are equipped with. Fortunately, measures are now taken to avoid self-inflicted attacks. It is hoped that no pilot will be harmed by these attacks again.
As for Attridge, though, he is often referred to as The incident derailed his career. He returned to service less than six months later and ended up working in the Apollo Lunar Module. He flew west in 1997 at the age of 74. On Friday 21, 1956, Thomas W. Attridge Jr., one of the test pilots in Grumman's umbrella aboard the Navy's Grumman F11F-1 Tiger (BuNo 138620). Installed and moved off the highway at Grumman's test facility near Calverton, New York, his training required him to fly across the Atlantic to a shooting range to test the F11's four 20mm guns by firing them across the sea. For experienced pilots who flew all over the Pacific during World War II, right?
An F11F-1 Tiger was involved in an accident. This Tiger is the 15th production aircraft delivered to the Royal Navy. (Photo courtesy of the National Aviation Museum Archives of the United States Navy)
Rptd: F11 F1 Tiger Template Skin Bug
After about 20 miles offshore, Attridge is at 20,000 feet and ready to begin testing. Slowly pushing the stick forward, he placed his Tiger in the shallow water and began detonating four in two about 70 rounds at 13,000 feet, then jumping again, four seconds at 7,000 feet, to clean up the shell cluster in the gun. After the second explosion, the Tiger violently shook as if it had hit something. The hard part is the fact that the front glass is installed inside. Unable to determine what happened to his plane, Attridge recognized Tiger's behavior as the result of a special beast. and restores 200 knots while pointing the nose down. in contact with the tower He reported that he noticed 3 signs of damage: 1. The windshield of the cockpit was completely shattered, 2. There appeared to be a serious injury to the right side of the engine, and 3. He had just pushed his fork into .78% until the fire started. more like "The Hooever vacuum picks gravel from the carpet," according to Attridge.
Unable to climb and unable to gain speed, Attridge approached an airfield where vehicles preparing on the apron for Tiger's arrival were disturbed. The engine malfunctioned and broke down. Struggling to control a dead plane (Because there is no engine So fighters like Tigers are moving bricks.) Attridge's plane dashed into the woods far from the road. Leaving a trail of destruction 300 feet long when the plane finally landed. The plane caught fire and the rest of the weapons began to burn. And panicked rescuers rushed to save the pilot. Despite a broken leg and three broken bones, Attridge freed himself from the first Tiger and was picked up by a Sikorsky S-58 Registered Grumman helicopter, which nearly missed the leaf by landing on the plant, almost adding to the number of Attridge's daily incidents. Was rushed to Riverhead, NY and hospitalized for a long time.
The investigation began shortly thereafter. Test pilots often have a lot to say about the aircraft they fly, and Attridge is no exception to this rule. His insights are invaluable. and he was the first being interviewed Grumman and a Navy engineer examined the wreckage and found a 20 mm mark on the windshield and right engine compartment. Attridge's observations confirmed a long wound in the same part of the aircraft, and after analyzing the Tiger's engine, a 20 mm shell was found stuck in the first stage of the compressor.
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