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.............................. Ducati
Logo and Trademark..............................
Ducati Motor Holding, SpA (Borsa Italiana:DMH) is an Italian motorcycle manufacturer located in Bologna, Italy. From their first post-Second World War bicycle-like low-displacement motorbikes Ducati has gained prominence in motorcycle racing and in the motorcycle industry. In the 1960s, Ducati earned its place in motorcycling history by producing the then fastest 250 cc road bike available, the Mach 1.
In the 1970s Ducati began producing large-displacement L-twin (i.e. a 90° V-twin) motorcycles and in 1973 released an L-twin with the trademarked desmodromic valve design. In 1985, Cagiva bought Ducati and planned to rebadge Ducati motorcycles with the lesser-known Cagiva name (at least outside of Italy). By the time the purchase was completed, Cagiva kept the "Ducati" name on its motorcycles. In 1996, Texas Pacific Group bought for US$325 million a 51% stake in the company and in 1998, bought the remaining 49% and became the sole owner of Ducati. In 1999, TPG issued an IPO of Ducati stock and renamed the company Ducati Motor Holding SpA. TPG sold over 65% of its shares in Ducati. In December 2005 Ducati returned to Italian ownership with the sale of Texas Pacific's stake (minus one share) to Investindustrial Holdings, the investment fund of Carlo and Andrea Bonomi.
Ducati is best known for high performance motorcycles characterized by large capacity four-stroke, 90-degree L-twin engines featuring a desmodromic valve design. Modern Ducatis remain among the dominant performance motorcycles available today partly because of the Desmodromic valve design, which is nearing its 50th year of use. Desmodromic valves are closed with a separate, dedicated cam lobe and lifter instead of the conventional valve springs used in most internal combustion engines. This allows the cams to have a more radical profile, thus opening and closing the valves more quickly without the risk of valve-float which is likely when using a "passive" closing mechanisms under the same conditions.
While most other manufacturers utilize wet-clutches (with the spinning parts bathed in oil) Ducati uses multiplate dry clutches in many of their current motorcycles. The dry clutch eliminates the power loss from oil viscosity drag on the engine even though the engagement may not be as smooth as the oil bath versions, and the clutch plates can wear more rapidly.
The chief designer of Ducati motorcycles from the 1950s was the late Fabio Taglioni (1920-2001). He designed most Ducatis during this period, ranging from the small single cylinder machines that were successful in the Italian 'street races' up to the large capacity twins of the 80s. Ducati introduced the Pantah in 1979; its engine was updated in the 1990s in the Ducati SuperSport (SS) series. All modern Ducati engines are derivatives of the Pantah, which uses a toothed belt to actuate the engine's valves. Taglioni used the prancing horse (identified with the Ferrari brand) on his Ducati motorbikes, Taglioni chose this emblem of courage and daring as a sign of respect and admiration for Francesco Baracca, a heroic World War I fighter pilot that died during an air raid in 1918.
Ducati had completed testing the Desmosedici GP7, Ducati's 2007 MotoGP race bike. The GP7 complies with new regulations requiring a maximum of 800 cc (as compared with the 989 cc of the GP6). The GP7 is currently known to be the most powerful 800 cc MotoGP race bike, as illustrated in the 2007 Qatar GP, where the four Ducatis produced, by a considerable margin, the highest top speeds of the entire MotoGP grid.
Ducati (in its various incarnations) has produced several styles of motorcycle engines, including varying the number of cylinders, type of valve actuation and fuel delivery. Ducati is best known for its "L-Twin" motor which is the powerplant in the majority of Ducati-marqued motorcycles. Ducati has also manufactured engines with one, two, three or four cylinders; operated by pull rod valves and push rod valves; single, double and triple overhead camshafts; two stroke and even at one stage manufactured a stationary diesel engine, many of which were used as emergency pumps (eg for fire fighting). Currently, Ducati makes no other engines except for its motorcycles.
On current Ducati motors, the valves are actuated by a standard valve cam shaft which is rotated by a timing belt driven by the motor directly. The teeth on the belt keep the camshaft drive pulleys indexed. On older Ducati motors, prior to 1981, drive was by solid shaft that transferred to the camshaft through bevel-cut gears. This method of valve actuation was used on many of Ducati's older single cylinder motorcycles - the shaft tube is visible on the outside of the cylinder.
Ducati is also famous for using the desmodromic valve system championed by engineer and designer Fabio Taglioni though they have also used engines that use valve springs to close their valves. In the early days, Ducati reserved the desmodromic valve heads for its higher performance bikes and its race bikes. These valves do not suffer from valve float at high engine speeds, thus a desmodromic engine is capable of far higher revolutions than a similarly configured engine with traditional spring-valve heads.
In the 1960s and -70s Ducati produced a wide range of small two-stroke bikes, mainly sub-100 cc capacities. Large quantities of some models were exported to the U.S.
Ducati Meccanica (as the company was previously known) has its marque on non-motorcycle products as well. In the 1930s and 40s, Ducati manufactured radios, cameras, and electrical products such as a razor. The Ducati Sogno was a half-frame Leica-like camera which is now a very rare collectors' item.
Currently, there are four Ducati companies: Ducati Motor Holding (the subject of this article), Ducati Corse (which runs the Ducati racing program), Ducati Energia, a designer and manufacturer of electrical and electronic components and systems and Ducati Sistemi, a subsidiary of Ducati Energia. All are located in Borgo Panigale in Bologna, Italy. Ducati Motor Holding often uses electrical components and subsystems from Ducati Energia.
Ducati rejoined Grand Prix motorcycle racing in 2003, after a 30 year absence. Loris Capirossi has been with the team since its current inception in 2003 and Casey Stoner joined him as a teammate for the 2007 season riding the Desmosedici GP7. On September 23, 2007 Casey Stoner clinched his and Ducati's first Grand Prix World Championship.
When Ducati re-joined MotoGP in 2003, MotoGP had changed its rules to allow four-stroke 990cc engines to race. At the time Ducati was the fastest bike. In 2007, MotoGP reduced the engine size to 800cc, yet Ducati continued to be the fastest bike. Ducati continued that trend in 2007 with a bike that was markedly faster than its rivals as was displayed by Casey Stoner on tracks with long straights.
Ducati also supplies bikes to the Pramac d'Antín team, who are running the Desmosedici GP7. For the 2008 MotoGP season, Ducati will campaign their Desmosedici GP8 with Casey Stoner and Marco Melandri. Capirossi will leave Ducati and ride with Suzuki in 2008.
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