Description: Ducati sprung to life by making a small bicycle engine to transport the war-ravaged Italian citizens. In 1946, the Cucciolo (little puppy) engine was originally sold in a box to be attached to a bicycle. Before WWII, Ducati had produced radio tubes and condensers, but thanks to the Cucciolo’s success, Ducati became a name brand motorcycle manufacturer. By 1954, Ducati was producing 120 bikes a day. Even more momentous in ’54 was the arrival of engineer Fabio Taglioni. Taglioni’s big idea was to control valve float by having the valves positively opened and closed without using valve springs. The main benefit of his desmodromic system was the prevention of valve float. Valve float can cause a catastrophic collision between the piston and valve or, at the very least, create poor valve seal. The desmodromic system eliminates valve float by using dual rocker arms on each valve (one for opening and one for closing the valve). The Ducati 450 R/T was the first and only motocross bike to be outfitted with desmodromic valves.

Url: http://www.earlyyearsofmx.com/Ducati450.html

Category: Vintage Ducati

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Date Listed: 17 Dec 2008

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