SUPERSONIC QUESST

Nasa’s own ‘son of Concorde’ jet reveals game-changing upgrade to eliminate loud supersonic booms

It will provide more accurate data on just how loud the X-59 will be - in hopes it will be quiet enough to fly over land.

NASA is paving the way for a new, quieter era for supersonic jet planes with its new shock-sensing tool.

The X-59 Quesst, Nasa's supersonic aircraft, has already been designed with a long and narrow build for a quieter "sonic thump".

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Commercial supersonic flight over land has been banned in the US for more than 50 years, and for about 20 years in the UKCredit: NASA
The X-59's first flight is planned for 2024Credit: EPA

The US space agency is set to test the shock-sensing probe on an F-15B aircraft that will fly with the X-59 in upcoming flights.

The cone-shaped air data device will be used to measure the "sonic thumps" produced by its X-59 jet.

It will provide more accurate data on just how loud the X-59 will be - in hopes it will be quiet enough to fly over land.

Data from the sensors will be vital for validating computer models that predict the strength of the shock waves, according to Nasa.

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Researchers will compare data gathered by the probe with predictions from computer models to better evaluate their accuracy.

“A shock-sensing probe acts as the truth source, comparing the predicted data with the real-world measurements,” said Mike Frederick, Nasa principal investigator for the probe.

Researchers at Nasa's Armstrong Flight Research Centre in California, have developed two versions of the probe.

One version is for capturing shock waves close to the aircraft, and the second is for gathering data at altitudes ranging from 5,000 to 20,000 feet below the X-59.

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“The probes have five pressure ports, one at the tip and four around the cone,” added Frederick.

“These ports measure static pressure changes as the aircraft flies through shock waves, helping us understand the shock characteristics of a particular aircraft."

'Son of Concorde' supersonic aircraft surpasses speed of sound at terrifying altitude less than 2 minutes after takeoff

"Sonic thumps" are the distinctive sound produced by aircraft that travel at supersonic speeds - which is roughly 768mph or faster.

The booming noise is part of the reason supersonic aircraft were banned over land in the US in 1971, and in 2003 in the UK.

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In an official podcast released in October, Lori Ozoroski, a project manager at Nasa, explained that the Concorde had its flights drastically limited before it was banned because of the thunderous noise.

"[The Concorde] was limited during its flights that it could not fly, say into, you know, somewhere in the middle of the US. You were not allowed to fly supersonic over land," said Ozoroski.

"So most of the flights were back and forth just over the ocean. And so again, that ban has been in place for 50 years, over 50 years in the US. A lot of international countries as well have similar bans.

"And so the whole goal of this research that we’re doing right now is to lift that ban and set a speed limit for commercial supersonic aircraft rather than a speed limit."

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Supersonic and Hypersonic Jets

There are several types of hypersonic and supersonic jets. A breakdown of what's been happening in the industry and what's expected in the coming years.

X-59 Quesst

  • Built by Nasa and Lockheed Martin
  • Predicted max speeds of Mach 1.4
  • The first test flight in 2024 - but subject to delays

Talon-A

  • Built by Stratolaunch
  • Reported speeds of Mach 5
  • The first test flight conducted in 2024

Venus Stargazer M4

  • Built by Venus Aerospace and Velontra
  • Predicted max speeds of Mach 6
  • First test flight in 2025

Quarterhorse MKII

  • Built by Hermeus
  • Predicted max speeds of Mach 2.5
  • First test flight in 2026

Halcyon

  • Built by Hermeus
  • Predicted max speeds of Mach 5
  • First test flight by 2030

Nanqiang No 1

  • Built by China's hypersonic plane programme
  • Predicted max speeds of Mach 6
  • First test flight in 2025

DART 

  • Built by Hypersonix Launch Systems
  • Predicted max speeds of Mach 7
  • First test flight in 2025
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