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dmitrygryesterday at 6:31 PM2 repliesview on HN

https://en.wikipedia.org/wiki/Ram_air_turbine


Replies

buildsjetsyesterday at 8:33 PM

And besides that, there is the looping parachute APU.

https://patents.google.com/patent/US9452721B2/en

Melatonicyesterday at 8:14 PM

Would imagine these are significantly more useful on heavier and faster aircraft - surely the weight and whatnot to retract move them is less worth it for smaller planes ?

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