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Four Continuous-Beam Formulas for Stage Battens Dan Perez

Stoneham Theatre’s 2002 production of A Christmas Carol incorporated a trap approximately 3’ square in the stage floor, through which an actor needed to disappear quickly. The actor, who was inside a 10'-tall “Ghost of Christmas Yet to Come” puppet, would place himself upstage of the center of the trap, which would open in front of him under the control of a stagehand in the traproom. The actor would then transfer control of the puppet to the stagehand and climb down a ladder through the trap. With the actor out of the way, the stagehand then dropped the puppet, letting it free-fall into the trap – a spectacular effect enhanced by about 6" of trap-obscuring dry ice fog.