X 15: the first hypersonic plane @drdaviddarling
X 15: the first hypersonic plane  @drdaviddarling
Uploaded July 2021 | Updated September 2026, 2 weeks ago
The remarkable X-15 set speed and altitude records in the 1960s, some of which still stand to this day. It remains the fastest crewed, powered aircraft ever to have flown.

Related videos:
Through the sound barrier with the X-1, part 1 youtu.be/3vTAefEj4Kc
Through the sound barrier with the X-1, part 2 youtu.be/6VqJBXq90qE

My other YouTube channels:
The Science Fiction Rock Experience ( the music show I produce):
youtube.com/@ScienceFictionRockExperience
Discover Maths (with Juan Medina):
youtube.com/@discovermaths
Science World (with Emrah Polat):
youtube.com/@ScienceWorld1

My website: daviddarling.info
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Dave Darling |

X 15: the first hypersonic plane

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