Icebreaker class “M” with a power of 4650 kW Captain Chechkin type, project 1105

Ship type:

diesel-electric linear icebreaker.

Purpose:

performing all types of icebreaking work, piloting ships in ice, towing large-tonnage ships, rescue operations.

Class of the register:

“EM2 (icebreaker)”

Year of construction of the lead ship:

Main features

Vessel overall dimensions, m:
length	77,60
width	16,28
depth	4,8
overall height from OP	16,42
Vessel displacement with full reserves, t	2472
Mean draft at a displacement of 2472 t, m	3,5
Traction force on moorings, kN:
ahead going	414
backward going	311
Rate of sailing, km/h:
on free water	25,7
in ice 70 cm thick and snow cover 30 cm	3
ramming in ice 90 cm thick and snow cover 40 cm	1
Crew seats	28
Autonomy (days)	20
Main diesel generators:
diesel	Vyartsilya-Badcd12V22B
number and power, kW	3x1550
Propulsion motors, kW:
number and power	3x1170

Towing winch “Rauma-Repola” with a traction force 19,6 kN.

Additional materials