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The U2 was subsonic. Also, un-powered gliders can get up to impressive altitudes. https://www.airbus.com/newsroom/press-releases/en/2018/09/airbus-perlan-miss
by Ottolay 5y ago
The U2 was subsonic. Also, un-powered gliders can get up to impressive altitudes.
https://www.airbus.com/newsroom/press-releases/en/2018/09/airbus-perlan-mission-ii-glider-soars-to-76-000-feet-to-break-ow.html https://www.airbus.com/newsroom/press-releases/en/2018/09/ai...
- JackFr 5y ago> The unmanned glider, which is powered by two small propellers, I’m confused by the article and the above comment. Isn’t a glider by definition unpowered?
- Ottolay 5y agoCheckout [1]. Easier to say "motor glider" or "powered glider" than "powered airplane with glider like configuration". [1] https://en.wikipedia.org/wiki/Motor_glider https://en.wikipedia.org/wiki/Motor_glider