One should be less concerned about the heat than the beam of the
PAR 56 upon providing a
wash of light on the
cyc.
“The lights will not be pointed directly at the
cyc, but rather I would like to use their elipse shape to put peams of light onto the
cyc.”
So if putting beams of light onto the
cyc, would they not be pointed at it?
In the end, your diagram given a short small
stage and wide beam of light on the best of wide flood lamps, that would allow for at best a 28x70 degree
beam angle beam of light. I expect that given this the flood is more orientated vertically with the other fixtures covering outwards for a total of 84 degrees in
beam angle wide.
Now given this WFL lamp that’s 70 degrees by 90 degrees at best, what distance as compared to a unknown
cyc height and with is the optimum distance from it? Don’t know, you no doubt will have to find out. This much less given the described
truss, what at best will the
beam angle of the fixtures when plotted out when no doubt mounted on the
truss have as it’s
beam angle in almost vertical as opposed to the sight lines have? What’s the requirement of the
cyc lighting verses that of the amount of distance in filling it up evenly in an other than vertical positoin as opposed to these lights in being more than a front
wash location to them that also drops in
intensity by way of
law of squares in depreciation of
intensity due to a A square plus B square equals C square beam of
intensity. This beyond any effects of the actors having a adverse shadow
effect on the light projected on the
cyc in covering it.
In other words, I expect you will be needing at least five fixtures at least given even a reasonable beam of light. Go to GE lighting . Com and look for the free “GE Lightbeams” program in plotting out these lamp beams in remembering that the
fixture will also limit is some in cleaning it up. At least than with the program you can than
plot out the beam of light in two dimensions as to at what height and angle or distance will than prove useful.
In general you gave us details about the size but not beam spread of the lamp. Than gave details as to what to light and whith how many which was also good, but not it’s distance or
intensity requirement and wattage, much less
screen size to be lit in determining the angle.