Radiused dishes (also called Hollow Forms) are mostly used when bracing the top or back in either a Go-bar deck or vacuum bracing fixture to achieve an arch or “dome” in that plate. Arched tops are believed to be stronger for their mass than flat tops, to react less due to humidity changes, and to distort less due to the pull of the strings. To easily achieve a uniformly arched plate, contour the bottom of the braces to the appropriate arch. This can be accurately accomplished by cutting, then sanding the braces on sandpaper attached to the hollow form using SPH50 aluminum oxide sandpaper
Our radiused dishes are 3D modeled in CAD and CNC machined (spherically) to tight tolerances. They are made from lightweight MDF (medium density fiberboard). All forms will spring and will need to be flat-mounted to return the form to the intended radius. To do this we recommend that your radius dish be clamped, glued or screwed to a piece of plywood or the base of your go-bar deck.
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Radiused dishes (also called Hollow Forms) are mostly used when bracing the top or back in either a Go-bar deck or vacuum bracing fixture to achieve an arch or “dome” in that plate. Arched tops are believed to be stronger for their mass than flat tops, to react less due to humidity changes, and to distort less due to the pull of the strings. To easily achieve a uniformly arched plate, contour the bottom of the braces to the appropriate arch. This can be accurately accomplished by cutting, then sanding the braces on sandpaper attached to the hollow form using SPH50 aluminum oxide sandpaper
