#heli/quad copter glide down physics

1 messages · Page 1 of 1 (latest)

high dirge
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For reference this is called autorotation

mint tiger
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thank you

hearty juniper
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it's already modeled, you just need to reduce the collective to zero

restive holly
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Yeah people ask for this a lot but don't understand how autorotation works

hearty juniper
verbal cradle
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Tarantula works differently because of sheer weight vs lifting surface. You need way more forward airspeed to escape an autorotation.

high dirge
# restive holly Yeah people ask for this a lot but don't understand how autorotation works

Basically when you fall the air spins the rotor (kind of like how wind spins a windmill) and then that causes lift. It obviously cannot hover or lift the helo cuz that breaks conservation of energy but it can slow it down quite a lot. There is also something called a gyrocopter which is very cool and they have an unpowered rotor angled back and some sort of forward thrust. This forward thrust turns the main rotor and because energy is being added to the system this can hold altitude. There are also versions of this called gyrodynes which power the rotor during takeoff for vtol capability and then use traditional gyrocopter autorotation for flight.

slow berry
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The tarantula has auto thrust reverse at 0 so good luck autorotating it

hidden kettle
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I'm not sure Osprey like VTOLs can autorotate ?

And the Chicane definitely can. Already saved my butt once or twice

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So " technically yes, but"

viscid sentinel