science

14694 readers

144 users here now

just science related topics. please contribute

note: clickbait sources/headlines aren't liked generally. I've posted crap sources and later deleted or edit to improve after complaints. whoops, sry

Rule 1) Be kind.

lemmy.world rules: https://mastodon.world/about

I don't screen everything, lrn2scroll

founded 1 year ago

MODERATORS

[email protected]

221

Nasa unveils quiet supersonic aircraft in effort to revive commercial flights (www.theguardian.com)

submitted 10 months ago by [email protected] to c/[email protected]

91 comments fedilink hide all child comments

In launch event on Friday, agency shared plans to test over US cities to see if it’s quiet enough by engaging ‘the people below’

Nasa has unveiled a one-of-a-kind quiet supersonic aircraft as part of the US space agency’s mission to make commercial supersonic flight possible.

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.

you are viewing a single comment's thread
view the rest of the comments

[–] [email protected] 6 points 9 months ago

Not OP:

The more you try to fly faster through any fluid (like earth's atmosphere) the more drag you face. Hence you need a lot more energy (orders of magnitude more, possibly exponentially more). This equates to more fuel burn.

Also since you are going supersonic... you really cannot build big. Also, these things are quite expensive to build, maintain and run. Hence only the top 1% of folk could afford to fly in these things.