A Fog Manifold

Andy Sharp


For a Yale Repertory Theatre production of The Alchemist, the set designer requested five practical chimneys that could smoke either independently or in conjunction with each other. The problem we faced was how to make one fogger serve as five. Master Electrician Donald W. Titus devised the fog manifold shown in Figure 1: a collection box fitted with five separately controlled PC fans that would deliver fog to desired locations through PVC piping. Turning one or more fans on pushed fog through the desired chimneys while pulling air backwards through any non-active chimneys.




½″ plywood Manifold ...

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