BÅ‚otniak

Błotniak (Polish: consecration ) is a one-man underwater vehicle without a pressurized cabin. It was developed in 1978 in Poland from Torpedo Research Centre in Gdynia. Colloquially, it has been referred to as Formosa.

Served as a driving two counter-rotating propellers, which are driven by an electric motor. Energy storage is served accumulators side of the trunk that supplied also a spotlight. The sensors were an active and passive sonar on board. The immersion depth was controlled automatically.

Specifications

• Maximum speed: 5 kn
• Range: 50 nautical miles
• Payload: 200 kg

• Submarine