Mini Paint Roller Piston |
Loren Schreiber |
FIGURE 1: THE CYLINDER
At the denouement of San Diego State’s production of Triumph of Love, a cardboard carriage rolls up to the door of a fairytale castle, high on a storybook hill, and five fluttering pennants rise suggestively from the tops of the castle towers. Single-acting, shop-built pneumatic cylinders powered each pennant — cylinders whose pistons are mini paint rollers.
These inexpensive cylinders are quick and easy to build from materials typically found around the scene shop: 1″ schedule 40 PVC pipe, ¼″ dowel, miniature paint rollers and a little hot glue. (For strokes greater than three ...
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