By performing dives at the speed of sound, the jets will produce two types of sonic boom in order to truly determine the sound they produce on the ground.
According to NASA, instead of hearing two loud booms as the X-59 breaks the sound barrier, you'll hear two softer "thumps". Boom Technology, an aviation startup, is cited by the Points Guy to be working on a 45- to 55-passenger-seated supersonic plane.
NASA Armstrong Flight Research Center test pilot Jim "Clue" closes at least his F/A-18's ports after reaching 49,000 feet from the trial site because he is higher than where normal airlines fly, he is in Mach 1, with the speed of sound or approximately 630 miles per hour at that height.This nearly all the airplanes have been taken to reach this peak in the sky, but it will not last long.
The space agency's next target seems to be supersonic air travel. The goal here is to see if residents find the thumps acceptable.
The fallout in that area: a pair of cool sonic boom-softened smacks, in fact people on the ground including those who are NASA scientists and local helpers infrequently note, if they hear anything.
NASA will use supersonic F/A-18 Hornet jets over Galveston to copy the sonic profile of the X-59.
"We'll never know exactly what everyone heard".
NASA research pilot Jim "Clue" Less stands next to a F/A-18 that he is flying to help test low-boom flight research. We won't have a noise monitor on their shoulder inside their home. It was later retitled X-59 QueSST. "The scientifically valid data gathered from these community overflights will be presented to US and global regulators, who will use the information to help them come up with rules based on noise levels that enable new commercial markets for supersonic flight over land".
The shining star to this entire thing is supposed to be Lockheed Martin Aeronautics' X-59 "QueSST", which is created to produce sonic thumps rather than the booming sounds other jet fighters usually give out. "While construction continues on the X-59, we can use that diving maneuver to generate quiet sonic thumps over a specific area".
The QueSST is expected to debut by the end of 2021, NASA said.
Loubeau said "Testing in the fall will really help us in knowing how we'll ask survey questions, how we're making noise measurements, and then how we're analyzing the data".
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