To be finished for Vladimir Lenin's 100th anniversary, construction of K-320 was rushed. During a hydraulic test of the primary coolant circuit, the reactor became prompt critical and generated full effect for 10–15 seconds.
To be finished for Vladimir Lenin's 100th anniversary, construction of K-320 was expedited. During a hydraulic test of the primary coolant circuit, the reactor became prompt supercritical and produced full effect for 10–15 seconds.