PPRuNe Forums - View Single Post - How does the mechanical backup on the 320 work? + some questions
Old 16th October 2012 | 03:52
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IFixPlanes
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From: near EDDF
As long as the engines are running, you have hydraulic power from the engine driven pump. The EDP is mechanically self controlled. You need electric only to "switch" the EDP OFF.
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