Gas-Cooled Fast Breeder Reactor. Quarterly progress report, November 1, 1975--January 31, 1976

Progress is reported in development of GCFR fuel, blanket, and control elements; development of the pressure equalization system for GCFR fuel; out-of-pile loop facility test program planning; fuels and materials development; fuel, blanket, and control rod analyses and development; nuclear analysis and reactor physics for GCFR core design; shielding requirements for the GCFR; reactor engineering to assess the thermal, hydraulic, and structural performance of the core and the core support structure; plant systems control; development of reactor components, including reactor vessel, control and locking mechanisms, fuel handling equipment, core support structure, shielding assemblies, main helium circulator, steam generator, and auxiliary circulator; development of a helium circulator test facility; and reactor safety, including an in-pile safety evaluation program