Bismarck Expeditions
Worlds Deepest Diving Manned Submersibles
| Mir I and Mir II (Russia) | ||
| Designers: | Rauma-Repola Oy., Finland | |
| P.P.Shirshov Institute of Oceanology of Russian Academy of Sciences, Russia | ||
| Builder: | Rauma-Repola Oy., Finland | |
| Owner: | P.P.Shirshov Institute of Oceanology of Russian Academy of Sciences, Russia | |
| Start of construction: | May 1985 | |
| Commissioning: | December 1987 | |
| Overhulling: | 1994 | |
| Ocean trials (depth): | MIR I | 6.170 meters |
| MIR II | 6.120 meters | |
| Operating depth: | 6.000 meters | |
| Crew: | 3 | |
| Power Supply: | Nickel Cd batteries (oilfilled) | 100 kWh |
| DC-AC Inverter N1 | 12 kWh | |
| DC-AC Inverter N2 | 5 kWh | |
| Life support | 246 man/hours | |
| Maximum speed | 5 knots | |
| Pressure hull: | Material | Ni steel |
| Diameter of main sphere | 2,1 meters | |
| Viewports | Central: 200 mm diameter | |
| Side: 2 X 120 mm | ||
| Dimensions: | Length | 7,8 meters |
| Width | 3,6 meters | |
| Height | 3,0 meters | |
| Trusters: | Main hydraulic - Stern | 9 kW |
| Side (hydraulic) | 2 X 2.5 kW | |
| Ballast: | Air-soft-tanks (water-air blow) | 1500 kgf |
| Variable (water) | 999 kgf | |
| High pressure pump 1 | 10 l/min on 6000 meters | |
| High pressure pump 2 | 3 l/min on 6000 meters | |
| Trim | Water (forward AFT - spheres) + 25 degrees | |
| Dry weight | 18,6 t | |
| Emergency system: | Nickel drop shots (electr.hold) | 350 kg |
| Emergency life support system jettisonable: manipulators, trusters, low battery box, rescue buoy etc. | ||
| Hydraulic systems: | One | 12 kW |
| Two | 5 kW | |
| Three (emergency) | 0,5 kW | |
| Navigation systems: | LBL Acoustic positioning | |
| Gyro compass | ||
| Long distance sonar-echo-sounder | 1000 meters | |
| Speed log | ||
| Observation: | Acoustic imaging sonar | 250 meters |
| TV-cameras | PAL, NTSC | |
| Still-cameras | 35 mm - 70 mm | |
| HMI lights | 4 X 1200 W | |
| Halogen lights | ||
| Payload: | 250 kg | |
| Research: | Data acquisition system | 12 external sensors |
| Two identical hydraulic manipulators | 7 degrees of freedom | |
| Slup gun, geological tubes, biological nets, water bottles | ||
| Communication: | UQC telephone, VHF radio etc. | |
| Beam (with side thrusters): | 3,8 meters | |
| Mother Ship: | R/V Akademik Mstislav Keldysh | |
| Home port: | Kaliningrad, Russia | |
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| Mir I and Mir II (Russia) |
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