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Airflow from packs


papy.rabbit.08
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Hi,

I don't know if it is a bug or not, but I noticed that if you have everything ready to go, and you shutdown the two generator from the two engines, and then you switch off the 2 bleeds from the engines, the air from the packs still work, and the pressure is still there, is it normal or is it a bug? Because if you shut the bleeds, the airflow should stop or am I wrong? Or is AC voltage from the generator needed to stop the bleeds?

I attached a file, sorry for the quality, but my connexion doesn't allow me a lot more :/

X-Plane 2016-05-15 15-16-43-196.avi

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You are correct.

The valves are controlled with AC power (but operated by bleed pressure), so when all power fails and you are on battery, the bleed supply will just stay the way it is. In addition, the indicator needs power to "move the needle" (it is not springloaded to zero), so you would not see a change in pressure anymore, either (for example if you shut down the engines now).

Jan

 

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