Japanese F-35’s device avoids the engine resonant vibrations

An F-35B fighter, primed for delivery to the US Marine Corps, experiences a harrowing event at the end of December 2022. As this state-of-the-art aircraft attempts a vertical landing, it unexpectedly jumps, crashes nose-first, and spirals out of control on the ground. Thanks to the pilot’s quick decision to eject, no lives were lost. 

Su-30 has used Khibiny EW during an interception of the Italian F-35
Photo by Todd R. McQueen

Following an investigation into this unnerving incident, vibrations within the fighter’s power plant were identified as the culprit. The solution? A game-changing regulator is to be installed across the whole fleet of aircraft. Stepping up to the plate as one of the first countries to embrace this modernization was none other than Japan. 

Japan’s Air Force swiftly took action to eradicate these dangerous engine vibrations in their fleet of cutting-edge, US-made F-35 stealth fighters. This move, according to a report in The Japan Times, citing the Ministry of Defense, shows the country’s commitment to safety and innovation. 

So, what’s the big deal about this regulator? It’s designed to counter vibration caused by resonance, thereby protecting the engine control tube from potential damage. But that’s not all. Later this year, the US is set to provide Japan with a new fuel hose design, a strategic move anticipated to further minimize the risk of vibration. 

Spotted: Turkish KAAN stealth also with inverted canopy as on F-35
Photo credit: Lockheed Martin

Japan’s commitment to the F-35 program is evident in its plans to acquire a total of 147 F-35A and F-35B aircraft. At a cost of approximately $70 million per unit, it’s clear they’re investing heavily in this revolutionary technology.

Texas 2022

The F-35 accident that occurred last year in Texas was caused by a manufacturing defect in the fuel tube of the aircraft’s Pratt & Whitney engine. The defect caused the tube to rupture during flight, leading to a loss of fuel and ultimately resulting in the crash of the aircraft.

Following the accident, all F-35s were grounded and a thorough investigation was conducted to identify the cause of the failure. It was discovered that the defect was present in a small number of engines and steps were taken to replace the faulty fuel tubes in all F-35s.

Japanese F-35's device avoids the engine resonant vibrations
Video screenshot

The incident highlighted the importance of rigorous quality control measures in the manufacturing process of critical components for aircraft. It also demonstrated the need for ongoing monitoring and maintenance of aircraft to ensure their safe operation.

F-35 technological incidents

The F-35 program has faced several technological incidents throughout its development and deployment. One of the most significant incidents was the discovery of cracks in the F-35B’s engine fan blades in 2013. This issue led to the grounding of the entire F-35 fleet until the problem was resolved.

Another incident occurred in 2017 when an F-35A caught fire during a training exercise. The cause of the fire was traced back to a manufacturing defect in the aircraft’s fuel line. As a result, the entire F-35 fleet was temporarily grounded again while inspections were carried out.

Cutting-edge engine: third stream of air may power US F-35-F135 engine
Photo credit: Pratt&Whitney

In 2018, it was reported that the F-35’s ejection seat had a dangerous flaw that could cause serious injury or death to pilots weighing less than 136 pounds. This issue was caused by the seat’s headrest not properly supporting lighter pilots during ejection. The problem was resolved by adding weight to the seat to simulate a heavier pilot.

Additionally, the F-35 has faced criticism for its high cost and delays in production. The program has been plagued by cost overruns and technical issues, leading to calls for the project to be canceled or scaled back. Despite these challenges, the F-35 remains one of the most advanced fighter jets in the world, with advanced stealth capabilities and advanced avionics.

About Japanese F-35

The Japanese F-35 is a fifth-generation fighter aircraft that was developed by Lockheed Martin. It is a highly advanced stealth fighter that is designed to perform a wide range of missions, including air-to-air combat, air-to-ground strikes, and intelligence gathering.

One of the key features of the Japanese F-35 is its advanced avionics system, which includes a range of sensors and systems that allow the aircraft to operate in a wide range of environments. This includes advanced radar systems, electronic warfare systems, and communications systems that allow the aircraft to operate in a networked environment.

The Japanese F-35 is also equipped with advanced weapons systems, including air-to-air missiles, air-to-ground missiles, and a 25mm cannon. These weapons systems are designed to provide the aircraft with a high degree of lethality and flexibility, allowing it to engage a wide range of targets in a variety of environments.

Japanese F-35's device avoids the engine resonant vibrations
Photo credit: Getty Images

In addition to its advanced avionics and weapons systems, the Japanese F-35 is also equipped with advanced stealth technology that makes it difficult for enemy radar systems to detect. This includes a range of features, such as advanced coatings and materials, as well as a unique shape that helps to reduce the aircraft’s radar signature.

Overall, the Japanese F-35 is a highly advanced fighter aircraft that is designed to provide the Japanese military with a wide range of capabilities. Its advanced avionics, weapons systems, and stealth technology make it a highly effective platform for a wide range of missions, and its advanced capabilities are expected to play a key role in the defense of Japan for many years to come.


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