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  1. memepe

    Solenoid drop out delay

    Thanks for the info so far. More details on the application The solenoid activates a spring load piston. When deactivated the plunger is mechanically pushed away from the pole face. That is what causes a spike when the solenoid is deactivated. The current diode protection or equivalent needs...
  2. memepe

    Solenoid drop out delay

    I have a 24 VDC solenoid (resistance 60 ohms, # turns = 2000). How do I calculate the drop-out time and voltage? there is a diode wired in paraell (Sp) to protect the supply circuit from the back-eMF. I believe that this slows the circuit down on drop-out but it does not slow it down enough...
  3. memepe

    Aerospace Fluid Component Designer's Handbook

    I seen a design manual named "Aerospace Fluid Component Designer's Handbook" dating back to the 1960's. It was produced by the Air Force Rocket Propulsion Labratory. Has anyone seen an updated version of this document? If so where can I get one?
  4. memepe

    Venturi Vaccum Pump

    A simple vaccum can be made using compressed air though an orifice with an inlet placed just downstream of the orifice. How do you calculate the pressure and flow through this venturi?

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