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·
    10 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.

    • SwampYankeeEnglish
      7·
      10 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.