Английская Википедия:Ducati Diana
Шаблон:Short description Шаблон:Use dmy dates Шаблон:Use British English Шаблон:Infobox motorcycle The Ducati Diana, known as the Ducati Daytona in the UK, is a Шаблон:Convert single cylinder bevel drive SOHC motorcycle produced by the Italian manufacturer Ducati from 1961 to 1964. It was the sports version of Ducati's first 250 cc road bike. It was replaced in 1962 by the higher performance Ducati Diana Mark 3 in the USШаблон:Sfn and by the Ducati Mach 1 in Europe in September 1964.Шаблон:Sfn
History
Following the success in racing of the 250 F3, and using an engine based on that of the racer, Ducati introduced its first 250 cc road bikes at the April 1961 Milan Fair. The bikes were offered in two versions, the touring Monza and sports Diana.Шаблон:Sfn The Diana was styled by Renzo Neri and had rear-set controls, clip-on handlebars, a steel Шаблон:Convert petrol tank and sporting mudguards. The bike had a blue frame and was finished in blue and silver.Шаблон:Sfn
A tuning kit was available for the Diana and included a high compression 9:1 piston, a 27mm Dell'Orto SS1 carburettor and megaphone silencer.Шаблон:SfnШаблон:Sfn Motorcycle Mechanics magazine road tested a Diana with the tuning kit installed and recorded a top speed of over Шаблон:Convert.Шаблон:Sfn
Technical details
Engine and transmission
The single cylinder bevel drive OHC engine was of unit construction and had alloy head and alloy barrels with cast iron liners. Ball bearings were used in the main bearings and big end and hairspring valve springs were used to close the valves.Шаблон:Sfn Bore and stroke were Шаблон:Convert giving a displacement of Шаблон:Convert. Compression ratio was 8:1.Шаблон:Sfn Claimed power output was Шаблон:Convert, giving the machine a top speed of Шаблон:Convert.Шаблон:SfnШаблон:Sfn
Fuel was delivered by a 24 mm Dell'Orto UFB carburettor.Шаблон:Sfn Wet sump lubrication was used and ignition was by battery and coil with the points under a cover on the right hand side of the engine.Шаблон:Sfn
Primary drive was by helical gears to a multi-plate wet clutch and 4 speed gearbox. Chain drive took power to the rear wheel.Шаблон:Sfn
Cycle parts
The single cradle frame used the engine as a stressed member.Шаблон:Sfn Rear suspension was by swinging arm with twin 3-way adjustable Marzocchi shock absorbers.Шаблон:Sfn At the front Шаблон:Convert telescopic forks were fitted.Шаблон:Sfn Brakes were drums, the front being Шаблон:Convert diameter and the rear Шаблон:Convert.Шаблон:Sfn
References
Bibliography
- Шаблон:Cite book
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- Шаблон:Cite magazine
- Шаблон:Cite book
- Шаблон:Cite book
- Шаблон:Cite web
- Шаблон:Cite web
