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24-446: The bay is divided into the inner ( indre ) and outer ( ytre ) Oslofjord, separated by the 17 km (11 mi) long by 1 km (0.62 mi) wide Drøbak Sound . The innermost part is known as Bunnefjorden . From 1624 until 1925 the name of the fjord was Christianiafjorden (or Kristianiafjorden ), since Christiania was the name of the capital during this period (the Ch

48-409: A car while the person beside you controls the accelerator—and a close working relationship. Spectators may think that the crew simply jumps into the cockpit and that the fastest drivers win. However, this simplistic view overlooks the skills and professionalism of pilots who regularly race across waves at over 160 mph (250 km/h). Both pilots work closely with their pit crews to determine the race setup:

72-765: A minimum weight of 4950 kg. The sport of powerboat racing has undergone unprecedented changes since the earliest recorded race in 1887 in Nice , France, organized by the Paris Sailing Club. The French also claimed the next two recorded races in 1903, a 62-mile race in Meulan on the River Seine organized by the Poissy Sailing Club and a 230-mile race from Paris to Trouville. But the first officially recognized international offshore powerboat race

96-498: Is an international motorboat racing competition for powerboats organized by the Union Internationale Motonautique (UIM). It is the premier class of offshore powerboat racing in the world. Class 1 is considered one of the most spectacular marine motorsports. A Class 1 race-boat has twin inboard 1100hp engines and can reach speeds in excess of 257 km/h (160 mph). All boats are limited by

120-427: Is awarded to the team with the most accumulated points throughout the season. A winning crew collects 20 points, the runners-up 15, with the third-placed team awarded 12 points. A Grand Prix weekend is run over three days, with registration, technical scrutineering and the first practice session and driver briefings taking place on day one. On day two a practice session is run in the morning, followed immediately by

144-754: Is part of a fjord in eastern Norway . The Ytre Oslofjord is the outer part of the Oslofjord which is south of point where the Hurumlandet peninsula splits the fjord between the Drøbak Sound (the strait where the fjord narrows between Drøbak and Hurum ) to the east and the Drammensfjorden to the west. North of this point, the Oslofjord is referred to as the Indre Oslofjord ( inner Oslofjord ). The Ytre Oslofjord stretches south to

168-527: Is the coldest month in the fjord with −1.3 °C (29.7 °F), while July normally reaches 17.2 °C (63.0 °F). The islands in the middle of the fjord are among Norway's warmest with high summer temperatures and moderate winters. The Oslofjord's relatively high temperatures enable various flora to flourish. The oldest settlements in the area surrounding the Oslofjord date from the Stone Age and

192-739: The Bronze Age . It was here on the eastern and western shores that three of the best preserved Viking ships were unearthed, including the Gokstad ship . In historical times, this bay was known by the current name of the region, Viken ( ' the bay ' ). Oslofjord has been an important body of water strategically due to its proximity to the capital city of Oslo. During World War II , there were German installations at several points on its coastline. One installation in Hovedøya held 1,100 Wehrmacht soldiers and later women deemed Nazi collaborators at

216-580: The Færder Lighthouse . This Vestfold location article is a stub . You can help Misplaced Pages by expanding it . This Østfold location article is a stub . You can help Misplaced Pages by expanding it . This article about a fjord in Norway is a stub . You can help Misplaced Pages by expanding it . Class 1 World Powerboat Championship Driver: Eisa Al Ali The UIM Class 1 World Powerboat Championship (also known as Class 1 )

240-822: The National Internment Camp for Women in Hovedøya . Norwegian painter Edvard Munch had a cottage and studio in Åsgårdstrand on the fjord and the Oslofjord appears in several of his paintings, including The Scream and Girls on the Pier . The fjord was the scene of a key event in the German invasion of Norway in April 1940, the Battle of Drøbak Sound . The invasion plan envisaged landing of 1,000 troops transported by ship to Oslo. Colonel Eriksen , Commander of

264-682: The Oscarsborg fortress near Drøbak, mainly maintained for historical purposes, sank the German heavy cruiser Blücher in the Drøbak narrows. The fortress's resistance blocked the route to Oslo, thus delaying the rest of the invading group long enough for the Norwegian royal family, government, parliament, and national treasury to evacuate. Thus Norway never surrendered to the Germans, leaving

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288-465: The Quisling government illegitimate and permitting Norway to participate as an ally in the war , rather than as a conquered nation. The entire population situated around the Oslofjord including Oslo is about 1.96 million, and the total population of all the counties situated around the fjord is approximately 2.2 million. More than 40% of Norway's population resides under 45 minutes of driving from

312-616: The Edox Pole Position (qualifying), also counting as a separate championship, and Race 1 in the afternoon. The Edox Pole Position, like the practice sessions, is run over the Grand Prix course, giving the crews a further opportunity to familiarize themselves with circuits and conditions, and to decide on set-up. It acts as the qualifier for the line-up for Race 1, with the Pole-sitter (fastest time) lining-up closest to

336-479: The Oslo boats from Aker Brygge . Hovedøya contains monastery ruins, Gressholmen for its rabbits, Nakholmen, Bleikøya, Lindøya for their cosy cabins at the water's edge, and finally Langøyene for its camping possibilities and beach. The inner part of the Oslofjord has steep and forest covered hill slopes down towards the fjord. The Oslofjord has Norway's highest all year temperature: 7.5 °C (45.5 °F). February

360-570: The Oslofjord. The Oslofjord has Norway's busiest traffic of ferries and cargo boats. Although the Oslofjord contains hundreds of populated islands, most of the population of the fjord resides on the mainland. In the summer there are boats of all sizes on the fjord, and it is possible to go kayaking, canoeing, fishing, and sailing. The Oslofjord is one of the nine venues of the Class 1 World Powerboat Championship . Ytre Oslofjord Ytre Oslofjord ( lit.   ' Outer Oslofjord ' )

384-517: The UAE is the current defending championship team. Weighing in at around 5 tonnes, each catamaran in the Class 1 fleet is approximately 12-14m in length, 3.5m wide, and constructed using composite materials. Over the years, safety has become a key concern and today's Class 1 boats are the safest they have ever been. Inside the cockpit, satellite GPS systems, trim indicators, engine data dashboards and instrument panels and warning lights keep

408-464: The crew aware of the boat's progress during a race. The cockpit is reinforced to withstand enormous impacts that may occur if a boat crashes at speeds in excess of 150 mph, with an escape hatch in the hull as an added safety feature in the event of an accident. While a Class 1 race-boat is highly technical and state-of-the-art, and its overall performance is dependent on design, aero and hydro dynamics, choice of propeller and gear ratio selection,

432-427: The official start boat. The Edox Pole Position lasts for 45 minutes, with teams having to complete a minimum of one timed lap and allowed to return to the wet pits to make adjustments to set-up, but limited to a total of 10 minutes under the crane. On day three, a final practice session in the morning is followed in the afternoon by Race 2. Each race is started by a Nor-Tech 3600 supercat official pace boat, running at

456-455: The relationship between driver and throttle-man, who navigate and control the power, must provide direct input to adjust trim and drive settings during a race or official qualifying, is ultimately the defining factor and crucial to performance. Each boat has a two-man crew: a driver who navigates and steers the boat, and a throttle-man who controls the speed by managing the throttles and trim. This combination requires total trust—imagine driving

480-454: The type of propeller required for the conditions, gear ratio settings, the amount of fuel needed, and race tactics. Propeller choice is critical and can determine not only the outcome of a race but also a championship. A Class 1 season consists of a series Grands Prix, made up of three official practice sessions, one official qualifying session which is also known as Pole Position and two races. The results of each race are combined to determine

504-769: The winner of the World Championship. The European Championship and the Middle East Championship are defined by specific events in those geographic regions. The results in official qualifying determine the winner of the Pole Position Championship. Eight races at four venues make up the UIM Class 1 World Powerboat Championship , with races run over approximately 55 or 75 Nm of multiple laps of approximately 5 Nm (including one or two mandatory long laps). The World Championship

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528-457: The world. From 1977 to 1991 the winner was decided by series of races at a single event at the end of the year. The World Championship reverted to a multi-event format in 1992. As of 2019, APBA sanctioned Class One racing is being held by Powerboat P1 under the name Class One USA, with catamarans racing strictly regulated sterndrive Mercury Racing 9.0L 1100 hp twin turbocharged V8 motors, and unlimited power for mono-hulls. The Victory team from

552-540: Was a 22-mile event from Calais , France to Dover , England . The modern-era of offshore powerboat racing was kick-started on 6 May 1956 with the first running of the famous Miami-Nassau race, which would ultimately lead to the introduction of the Sam Griffith Memorial Trophy and a UIM sanctioned World Championship in 1964. From 1964 to 1976 the winner of the World Championship was decided by points gained from multiple races held at venues around

576-560: Was changed to a K in 1877). Before that time, the Old Norse name of the fjord was Fold . The old name Fold led to the names of the counties of Vestfold ('the district west of Fold') and Østfold ('the district east of Fold') as well as the nearby district of Follo . Each of the islands in the innermost part of the fjord has its own identity and distinguishing history. Among them are Hovedøya, Lindøya, Nakholmen, Bleikøya, Gressholmen, and Langøyene. These islands can be reached with

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