The VM-4 reactor is the nuclear fission reactor used singly to power the Soviet Navy's Project 670 ￐ﾡ￐ﾺ￐ﾰ￑ﾂ and ￐ﾧ￐ﾰ￐ﾹ￐ﾺ￐ﾰ-￐ﾑ (Charlie) submarines, and in pairs to power the Project 671 ￐ﾁ￑ﾀ￑ﾈ and ￐ﾩ￑ﾃ￐ﾺ￐ﾰ (Victor), Project 667 ￐ﾜ￑ﾃ￑ﾀ￐ﾵ￐ﾽ￐ﾰ, ￐ﾚ￐ﾰ￐ﾻ￑ﾌ￐ﾼ￐ﾰ￑ﾀ, and ￐ﾔ￐ﾵ￐ﾻ￑ﾌ￑ﾄ￐ﾸ￐ﾽ (Delta), and Project 667 ￐ﾝ￐ﾰ￐ﾲ￐ﾰ￐ﾳ￐ﾰ, ￐ﾝ￐ﾰ￐ﾻ￐ﾸ￐ﾼ, ￐ﾓ￑ﾀ￑ﾃ￑ﾈ￐ﾰ, and ￐ﾐ￐ﾽ￐ﾴ￑ﾀ￐ﾾ￐ﾼ￐ﾵ￐ﾴ￐ﾰ (Yankee) second-generation submarines. It is a pressurized water reactor (PWR), using 20% enriched uranium-235 fuel to produce 70-90 MW of power. [ - ]

The VM-4 reactor is the nuclear fission reactor used singly to power the Soviet Navy's Project... [ + ]