In a joint ceremony with Lockheed Martin Skunk Works in Palmdale, California, on Friday, Nasa revealed the X-59, an experimental aircraft that is expected to fly at 1.4 times the speed of sound – or 925mph (1,488 km/h).

The aircraft, which stands at 99.7ft (30.4 metres) long and 29.5ft wide, has a thin, tapered nose that comprises nearly a third of the aircraft’s full length – a feature designed to disperse shock waves that would typically surround supersonic aircraft and result in sonic booms.

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[–] [email protected] 1 points 9 months ago (1 children)

"Nasa unveils quiet supersonic aircraft in effort to revive commercial flights"

Title of the article and this post.

[–] Cocodapuf 1 points 9 months ago

Ohh, does the headline changes all the facts in my statement?

These are advances in physics. Understanding the sound created by sonic booms is really understanding the nature of airflow and shockwaves in the supersonic regime. This is critical scientific development for NASA this could lead to more efficient rockets, and space planes as well as more efficient engines.

Did you know that the F1 engine that powered the Saturn V suffered from 1 major problem? Combustion instability, due to acoustic disturbances in the combustion chamber. Because of this they had to turn shut down at least 1 engine early in every launch. Understanding supersonic shockwaves is exactly the kind of thing that could have solved that problem.

A headline changes nothing.