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  • Users: akkamaan
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  1. akkamaan

    CPU vs VFO systems

    We have 3 basic variable flow "ConstantPressure" systems in mobile hydraulics. 1. Constant Pressure, CP CC,(Closed Center) system 2. Constant Pressure Unloaded, CPU OC (Open Center) system 3. Load Sensing, LS system. The reason I add the LS system to "constant pressure systems" is that LS uses...
  2. akkamaan

    hydraulic pilot control

    I get a lot of questions about proportional hydraulic pilot control in mobile applications in Swedish forums. I have started to dig into the 4-way X/Y controls and the history behind the proportional hydraulic pilot motion control. Since we started to have fully hydraulic excavators 60+ years...
  3. akkamaan

    Fire torch warning... Pressure created by resistance to flow??

    For a hydraulic guy to say that pressure is created by resistance to flow is like an electrician would say that the resistor creates the voltage...Right!?[ponder][bigglasses] Listen to Jim Pytel, Columbia Gorge Community College in his Youtube lesson LunchBoxSession Insane Hydraulics
  4. akkamaan

    Black or white??

    Whats the "pro's" and "con's" with "white" and "black" color, on an hydraulic reservoir?? Does black color radiate more heat than white? System is operated in high ambient temperature under direct sunlight. The hydraulic system itself, is also generating excessive heat. Goal is to keep...

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