Preliminary model of the superconducting cyclotron to be used in the TASCC facility at CRNL. This model was constructed to permit preliminary estimates of the shape and size of the RF accelerating structure. The truncated superconducting coils that would later provide the required magnetic field to bend the beams were later incorporated in a design that included a large steel yoke. This change in design allowed for a much more compact accelerator. The large copper structures extending above and below the center plane represent the variable-frequency resonators that form part of the radiofrequency accelerating structure. On the model, which stands 38 cm tall, the coil outer diameter is 28 cm.