Piper arrow gear system

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Stets66

Filing Flight Plan
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Dec 14, 2015
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Stets656
For those of you familiar with the Piper Arrow gear system, I am looking for a good explanation as to how the Low pressure control, high pressure control, and bleed air hole function. I always thought of them as check valves, but if the hydraulic fluid is returning to the reservoir via the LP and HP at 600 PSI and 2400 PSI respectively wouldn't that be an insane amount of pressure going back to the reservoir? Looking for some clarification on this. Thanks
 
Yes, there is a delta P across the valves, and it may seem high, but it is relatively low volume being relieved. Kinds of like "big" farts. The lower delta P farts that sound "long" (high volume) may provide as much "relief" to you as the higher delta P farts that are shorter and silent, but perhaps messier.

TL;DR You have to consider volume along with the delta P.
 
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