Yes David, that is indeed very true. BTDT got some stories to tell of my own :-) On Dec 7, 2013, at 5:50 PM, David Beierl wrote: > At 05:24 PM 12/7/2013, Steve Cotsford wrote: >> I think I said before that I am not an electrical engineer and I am much more at home with hydraulics so perhaps I should > > You can get quite a ways by considering electricity as an analogue of hydraulics. > > psi --> volts > gpm --> amps > > psi drop x gpm --> hp. Voltage drop x amps --> wattage (746 watts / hp). > > An orifice or very skinny pipe --> a resistor (but even fat pipes have resistance, see your flow tables). > Pressure drop across an orifice, skinny pipe, hydraulic motor etc --> voltage drop across a wire, resistor, or load. > An accumulator --> a capacitor. Especially an accumulator with input at each end and a stretchy diaphragm in the middle. > A dual-acting cylinder moving a massive free weight --> an inductor. > A valve --> a switch > Engine-driven pump --> generator (or battery. But batteries use chemistry so they're more complicated in detail. In very rough terms you can think of a battery as an accumulator). > > Yrs, > d |
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