this post was submitted on 15 Aug 2024
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I think i heard one time that helicopters can jettison the rotor so you dont get chopped up
Unfortunately, that won't stop the blades from spinning, meaning the danger isn't averted.
You shear the blades so they shoot outwards. I couldn't find an irl testing video, but here's a render.
https://youtu.be/a1kr651en7g
Mainly just copium for the pilots. Helicopters aren't like airplanes where you have glide time and altitude to decide what to do after something bad happens. If you watch fixed winged ejections there's usually about 30 seconds to a min after something goes wrong before the pilot decides to bail. Helicopters go from everything being fine, to a debris field in seconds.
It's more about altitude than the ability to glide. Helicopters can do what's called Auto rotation, which means they actually can glide. If the blade seize up however, they can't autorotate. Helicopters fly a lot lower than most airplanes though, so they can't glide as far.
Autorotation is mostly copium as well.
Explanation
Wow. I'd be nuts to fly one of those things. 6000 VVI sounds like suicide
Yeah, helicopters are the apex predators of soldiers and rich people. Even if you pull off the perfect autorotation, the glide ratio is still only a maximum of like 3:1.
I think I remember reading a report somewhere that more people have been killed by practicing autorotation than have actually pulled it off in the wild.