Olin Lathrop wrote: > > > Integrate the waveform over the duration of a single flash sequence, then > > square the result, and multiply by 10 ohms, then, as long as you carry the > > units through, you have an output in watt-seconds^2 sot hen divide by the > > time it takes for the strobe sequence, which gives watt-seconds, which is > > what you wanted, right? > > I haven't worked out what this mess results in, but I doubt anything > relevant. There are so many errors here, I don't know where to begin. Just a quick thought, but with strobes generally the main caps are charged to a set voltage, then discharged completely via a SCR. It should be easy to calc the stored Joules with each charge, and the rate of flashes per second is known. To calc power at that point should be easy, but he still needs to know the base efficiency of the circuit that charges the caps. Maybe it's a starting point at least. -Roman -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu