Join Date: Jul 1999
Location: Toad Hill Farm, Kentucky
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I used fog to describe the uncertainty. Facts are scarce and apparently insufficient to determine exactly what happened. Rather like the 'fog of war.'
Dust affects temperature by gradually clogging filters on a lamp-driven machine. That reduces air flow. It is possible that dust could insulate the radiator on a water cooled system. Will it? I don't have data.
I lived many years outside the US in different cultures. Your ability to grasp nuances and communicate seems superb. I was always quite pedestrian.
There are electrostatic foams. Dark gray, maybe 5-6 mm thick that could guard the air inlets on your projector and hardly be noticeable. The moving air creates the charge. They did not seem to impede air flow much if at all when I used them on a hush box. By chance, is you machine upright on its feet? Or upside down? I suspect the former.
Sony G90-->D-ILA--> LCD-->Vango LED DLP