Osa vs Rihtniemi
Osa vs Rihtniemi at a glance — displacement 209 vs 110 tons, length 38 vs 31 m, speed 42 vs 15 knots, crew 28 vs 20.
Specifications
|
Osa |
Rihtniemi |
| Origin |
🇷🇺 Ex-USSR |
🇫🇮 Finland |
| Category |
Patrol vessel |
Patrol vessel |
| Type |
Missile boat |
Patrol boat |
| Manufacturer |
Vostochnaya Verf |
-- |
| Year introduced |
1960 |
1957 |
| Number built |
400 units |
NA |
| Estimated unit price |
NA |
NA |
| Displacement |
209 tons |
110 tons |
| Maximum speed |
42.0 knots |
15.0 knots |
| Range |
1,800 nm at 14 knots |
NA |
| Length |
38.6 m |
31.1 m |
| Beam |
7.6 m |
5.7 m |
| Crew |
28 |
20 |
Armament & Systems
|
Osa |
Rihtniemi |
| Armament |
- 2 × AK-230 twin 30 mm CIWS (2,000 rounds)
- 4 × P-15 Termit (SS-N-2 Styx) anti-ship missiles
|
1 × 40 mm Bofors
1 × 20 mm Madsen
1 × Squid ASW mortar |
| Propulsion |
3 × 4,000 hp (3.0 MW) M-503G diesel engines (205) or 3 × 5,000 hp (3.7 MW) M-504B diesel engines (205U onwards); 3 shafts |
51, 52: 2 Mercedes-Benz Diesel; 1,044 kW
53, 54, 55: 2 Mercedes-Benz Diesel; 1,864 kW |
Detailed Comparison
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Which has greater displacement, the Osa-class or Rihtniemi-class?
The Osa-class has greater displacement at 209 tons compared to the Rihtniemi-class's 110 tons.
Which is faster, the Osa-class or Rihtniemi-class?
The Osa-class is faster with a maximum speed of 42 knots compared to the Rihtniemi-class's 15 knots.
Which is longer, the Osa-class or Rihtniemi-class?
The Osa-class is longer at 38.6 meters compared to the Rihtniemi-class's 31.1 meters.
How many crew members do the Osa-class and Rihtniemi-class have?
The Osa-class has a larger crew complement of 28 compared to the Rihtniemi-class's 20 crew members.