A320 Hydraulic System Operation

[@panirider]

This is the best hydraulic system explanation

[@MindSpaceXAviation]

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[@moonik1234]

The best

[@juliashenandoah3965]

Great video! But I cannot find more specific technical details about the PTU - is it´s internal structure build similar like a turbo charger, but instead of exhaust gases having the pressurized hydraulics fluid driving an impeller while another impeller sitting on the same shaft vice versa serves as a pump in the other hydraulics system? Or is it´s internal design more designed like a piston pump? I wonder how it creates it´s iconic barking sounds....

[@MindSpaceXAviation]

Did you check out this video on the PTU: kzbin.info/www/bejne/oYXbn6l_lLenftE The internal design of a common PTU is designed like a piston pump. While one side works as a 'motor' driving the other side as a pump. It is what we call a bi-directional pump unit. You are right, the sound is very destinct :)

[@eget.7199]

It's basically an axial piston pump, if you search for it you will find plenty of explanation videos about it

[@ibrahimabdulaziz7818]

Sir what about the auto brake ? I thought if we lost green HYD we lose auto brake?

[@MindSpaceXAviation]

Auto Brake is not available if the green hydraulic system is lost. From the Airbus FCOM: SYSTEM ARMING The crew may arm the system by pressing the LO, MED, or MAX pushbutton provided all the following arming conditions are met : - Green pressure available - Anti-skid electrically-powered - No failure in the braking system - At least one ADIRU is available.

[@sergeykopylov652]

explain Aerobus A320 landing on wheat field because of green like pressure problems with green system at Sep 12 2023 near Novosibirsk, please