SR-72: US secret hypersonic jet to allegedly break sound barrier in 2025
interestingengineering.com
Widely reported as the fastest plane ever developed, Lockheed Martin's SR-72 "Son of Blackbird" will test the claim sometime in 2025.

SR-72: US secret hypersonic jet to allegedly break sound barrier in 2025 | Believed to be a top-secret project of the US Air Force, the SR-72 is touted to reach over 4,000 mph (6,437 kph), making i…::undefined

    • jettrscga@lemmy.worldEnglish
      19·
      11 months ago

      I feel like I’m taking crazy pills.

      The speed of sound is 343 m/s, 767 mph. This description is Mach 5, 5x the sound barrier.

      An F-22 can go 1500 mph.

      Apparently the first airplane to break the sound barrier was Bell X-1 in 1947.

      • SwampYankee@mander.xyzEnglish
        7·
        11 months ago

        I think the intention is to highlight it as a milestone in the development of this aircraft. If you read the article, sounds like it hasn’t even been on a test flight yet.