RBMK-Core of Chernobyl-4: Positions of control rods (insertion depth in centimeters) approximately 1min30s before the explosion on Saturday, 26. April 1986, last signal of SKALA control system at 1:22:30 h.
     green: (167) control rods
     blue: (12) neutron detectors
     yellow: (32) shortened absorber rods inserted from below the reactor core
     grey: (1661) pressure tubes
     red: (12) automatic control rods
PNG version
WhiteTimberwolf (SVG version), ChNPP (PNG version)