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develop exhibition @ thirtyseven degrees gallery Danks St Waterloo July 19 - August 14 2007
Photo: Ben Searcy
about 80 miles southeast of me, near Kingston, NHY . It was just developing into a severe thunderstorm, before achieving supercell status, as shown in my next image
The Tripartite class is a class of minehunters developed from an agreement between the navies of Belgium, France and the Netherlands. A total of 35 ships were constructed for the three navies. The class was constructed in the 1980s–1990s in all three countries, using a mix of minehunting, electrical and propulsion systems from the three member nations. In France, where they are known as the Éridan class they are primarily used as minehunters.
FS Cassiopée was laid down 26 March 1979, launched 26 September 1981 and commissioned 5 May 1984. She was decommissioned in 2022.
In France the class is known as the Éridan class. Each hull was created from fibreglass, moulded in a steel shell. The hulls were 51.6 metres (169 ft 3 in) long overall with a beam of 8.9 metres (29 ft 2 in) and a draught of 3.8 metres (12 ft 6 in). The ships had a standard displacement of 571 tonnes (562 long tons) and 605 t (595 long tons) at full load. This later increased to 625 t (615 long tons) at full load. A 5.1 tonnes (5 long tons) container can be stored aboard the ships for additional supply room. The minehunters had an initial complement of 55, this was later reduced to 49.
The Éridan-class minehunters have two independent propulsion systems. In normal operations the minehunters are powered by a 1,400-kilowatt (1,900 bhp) Brons-Werkspoor (later Wärtsilä) A-RUB 215V-12 diesel engine turning one shaft with a LIPS controllable pitch propeller. Using the conventional system, the minehunters have a maximum speed of 15 knots (28 km/h; 17 mph) and a range of 3,000 nautical miles (5,600 km; 3,500 mi) at 12 knots (22 km/h; 14 mph). For use when minehunting the vessels have two 180 kW (240 hp) ACEC active rudders and a bow thruster. These are energised by three Astazou IVB gas turbine alternators rated at 150 kW. A fourth diesel-driven alternator rated at 160 kW supplies power during normal operations. Both systems can be operated from the bridge or from a soundproof control centre above the main deck. The maximum speed using the minehunting propulsion system that can be achieved is 7 knots (13 km/h; 8.1 mph).
The minehunters were equipped with DUBM 21B sonar that could detect and classify ground and moored mines to a range of 80 metres (260 ft). The sonar was retracted during normal operations. The vessel was also equipped with Racal Decca 1229 radar. The vessels carried two ECA PAP 104 remotely operated underwater vehicles (ROVs). In 2001, the minesweepers underwent modernisation and the sonar was replaced with the TUS 2022 Mk III type, the radar with the Bridgemaster E250 type and a TSM 2061 combat data system and a Bofors Double Eagle Mk2 ROV were fitted.
The Éridan class is armed with one 20 mm modèle F2 gun capable of firing 720 rounds per minute to a range of 2 kilometres (1.2 mi). The minehunters also mount one 12.7 mm (0.5 in) machine gun and two 7.62 mm (0.30 in) machine guns. The French vessels have limited minesweeping ability and were initially only fitted with mechanical sweep gear. In 1985, the Éridan class received AP4 acoustic sweep gear.
The initial order of ten was constructed for the French Navy in the 1980s by the Arsenal de Lorient. After the sale of Sagittaire to Pakistan in 1992, a replacement hull bearing the same name and hull number was constructed. Three Belgian versions of the class were acquired between March and August 1997.
Nikon F100 | Nikon 50mm f1.4 G | Ilford HP5+ 400 @ 320
Digitized with Nikon Z7 / 60mm Micro Nikkor | Raleno LED Light Panel | Nikon ES-2
Home developed in 510 Pyro 1:100 | 8m 15s at 20c | Ilford Standard Agitaion
Negative Lab Pro v2.4.2 | Color Model: None | Pre-Sat: 3 | Tone Profile: LAB - Standard | WB: Auto-Neutral | LUT: Frontier
Picture Caption: Pre-breeding examinations by a veterinarian improve breeding success of virgin heifers.