History of Sonic boom in Timeline
A sonic boom is a loud, explosive sound created by shock waves when an object exceeds the speed of sound. It's caused by the compression of air as the object moves, creating a pressure difference that results in a powerful release of energy, perceived as a loud boom. The sound resembles an explosion or thunderclap due to the rapid and intense nature of the shock waves reaching the ear.
1969: Government Loses Sonic Boom Lawsuit Appeal
In 1969, the government lost its appeal in a class-action lawsuit stemming from the 1964 Oklahoma City sonic boom tests, which had generated 15,000 complaints.
2006: Quiet Spike Testing
In 2006, NASA and Gulfstream Aerospace tested the Quiet Spike on NASA Dryden's F-15B aircraft. The Quiet Spike, designed to weaken shock waves at supersonic speeds, underwent over 50 test flights.
2015: Supersonic Aircraft Defined
In 2015, supersonic aircraft were defined as those capable of exceeding Mach 1, the speed of sound, with typical speeds ranging from 700 to 1,500 mph.
2018: NASA Awards Low Boom Flight Demonstrator Contract
In 2018, NASA awarded Lockheed Martin a $247.5 million contract to construct the Low Boom Flight Demonstrator, aiming to reduce sonic booms to the sound of a car door closing.
October 2023: Low Boom Flight Demonstrator Expected Flight
As of October 2023, the first flight of the Low Boom Flight Demonstrator was expected in 2024.
2024: Expected First Flight of Low Boom Flight Demonstrator
As of October 2023, the first flight of the Low Boom Flight Demonstrator was expected in 2024.
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