Abstract
The construction of 6 HTS coils from composite tapes of a silver alloy dip-coated with BSCCO 2212 is described. Data are presented on the coil critical currents at temperatures over the range 4.2 K to 77.3 K, including the results of a measurement in liquid neon. A small magnet constructed from two of the coils generated a peak field of 0.434T at 4.2 K. A "demonstrator" device is described in which the cells are mounted on an iron yoke, are immersed in liquid nitrogen refrigerated to 64 K using a novel technique, and provide ampere-turns to generate a magnetic field in the air gap between two room temperature pole-pieces. This apparatus is intended for use in a programme of research to investigate the controllability of superconducting magnets in attractive magnetic levitation applications.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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