The results of a previously-reported comprehensive parametric systems analysis of the Reversed-Field Pinch (RFP) were minimum-cost systems that would operate with resistive water-cooled copper coils and higher first-wall neutron current (15–20 MW/m2). These minimum-cost, “compact” RFP reactors (CRFPRs) have system power densities that can be comparable with fission power plants and, therefore, are 10–30 times smaller than most superconducting approaches. Reported herein are initial results of a conceptual engineering design of key fusion-power-core (FPC) subsystems.