Russian navy currently uses two types of state of the art torpedoes, thermal and electric torpedoes.
Thermal torpedoes (which use fuel as a propellant)
1. UGST (Fizik) in service since 2002
Caliber, mm: 533.4
Length, mm: 7200
Weight, kg: 2200
Warhead weight, kg: 300
Speed, knots: 50
Range, km: 50
Depth, m: up to 500
Firing depth from submarines, m: up to 400
2. Fizik2 or Futlyar was accepted to service in 2017
Engine: gas-turbine with pump-jet
Operational range 60 km
Maximum depth 500 meters
Maximum speed 60 kn
Guidance system: Wire, active and passive acoustic/wake homing
UET-1 Ichthyosaurus in service since 2018
Maximum range: 25km
Max speed: 50 knots
contract for 73 UET-1 torpedoes was signed in 2018 to be delivered by 2023.
In February 2022 there were reports about plans to boost their production and equip all submarines with them after they equip Project 636.3 submarines first.