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Today we are going to review a system or component of the planes very important and at the same time very little known, the Ram Air Turbine or RAT. Photo by shelbs2
We like to come up with interesting and different topics on this blog, beyond relevant news of the airline industry and many of these topics are born thanks to the contributions and conversations we have on social networks or in programs Let's Talk Aviation on YouTube.
This system was born out of the need to have the so-called redundant systems in airplanes, in order to increase safety and have a "plan B" in case of an emergency situation in flight.
The airline industry is constantly evolving, looking for everyone's safety, for them in the 60s with the Vickers VC10 aircraft the first RAT was born and this is what it does:
The RAT
No, It is not a rat that airplanes carry in case of emergency if we translate it literally into Spanish, it is an impact air turbine, this being a system that in case of loss of hydraulic and electrical systems, that are highly unlikely to happen, activated automatically or manually on some aircraft, compensating for the lack of the indicated systems.
The RAT is located in the body of the aircraft, can also be in the wings or other places, which, when deployed, provides hydraulic pressure to the central system of the flight controls in the event of failure of both engines, which are the ones that provide power for the control surfaces and screens in the cockpit..
Once active, The RAT activates a hydraulic pump that provides adequate pressure for the flight controls of the 115 volts (may change depending on the type of aircraft) and works with direct impact with the air while the aircraft is flying, as its name indicates.
The RAT will not deploy automatically when the aircraft is on the ground and can be deployed at any time manually with action by the pilots in the cockpit., but once this happens, it cannot be retracted to its initial position until the aircraft is on the ground again..
Did you know the RAT of the airplanes?
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I thought it was in the SEQM, the environment is very similar
Yes it looks like something!
I thought it could be activated automatically.
The photo of that 767 UPS at the beginning of the entry was taken in Quito?
By the trees in the background if it seems.
Yes, activated automatically or manually. Not my picture, It was taken on a test flight of the plane in the USA.