8th International Conference on Magnet Technology

J. Phys. Colloques 45 (1984) C1-125-C1-129
DOI: 10.1051/jphyscol:1984127

LESSONS FROM DESIGN AND MANUFACTURE OF U.S. LCT COILS

R.K. Kibbe¹, P.N. Haubenreich¹, C.H. Gerwig², D.S. Hackleyr³, P.A. Sangerr⁴ et J.L. Young<sup>5

1</sup>  Oak Ridge National Laboratory, Oak Ridge, Tennessee, U.S.A.
²  General Electric Company, Schenectady, New York, U.S.A.
³  General Dynamics/Convair Division, San Diego, California, U.S.A.
⁴  0xford Airco, Carteret, New Jersey, U.S.A.
⁵  Westinghouse Electric Corporation, East Pittsburgh, Pennsylvania, U.S.A.

Résumé
Dans le cadre du projet LCT, les équipes industrielles américaines ont achevé une bobine et terminent actuellement les deux autres. Les enseignements retirés de ce développement technologique portent principalement sur les problèmes d'organisation, liés à la difficulté de prévoir les problèmes techniques apparus au cours de la réalisation. D'autres difficultés proviennent des exigences de qualité et de fiabilité demandées ainsi que des modifications en cours de projet et des limitations budgétaires. L'expérience de LCT se révèlera utile dans la planification des développements futurs de Tokamaks supraconducteurs.

Abstract
In the international Large Coil Task (LCT), U.S. industrial teams have finished one coil and are nearing completion of two others. Of the lessons learned, the ones that apply most widely to advanced technology development have to do with the difficulty of scheduling progress in a novel undertaking. Reasons for schedule stretch-out are discussed in this paper. The major factor in the LCT was the discovery by all participants of more technical problems than could have been foreseen. Also, the effort implicit in the demands for reliability and quality were greater than appreciated at first. Other factors were changes in requirements during the projects and restrictions on effort due to budget constraints. LCT experience should be particularly useful in scheduling development of superconducting coils for tokamak fusion reactors.