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The Duett is an automobile from Volvo that was in production from 1953 to 1969. The name ''Duett'' was intended to signify a car that could be used as a delivery vehicle during the week and as a comfortable sedan away from work. The Duett was produced in three body styles: an estate car (or station wagon), a panel van, and, in small numbers, a bare chassis with no body from the windshield rearward. ==Ladder frame design== The design is based on the Volvo PV sedan and shares its engine and front suspension with that model. However, unlike the PV, which had a unibody design and a coil spring rear suspension, the Duett used a ladder frame with leaf springs supporting the rear. While the Duett has been criticized as a regressive design by those who point out that the ladder-frame car was based on Volvo's first unibodied car; the use of a separate ladder chassis provided Volvo with an easy solution in their desire to produce a suitable commercial vehicle. The availability of the bare chassis also allowed Swedish coach builders such as Grip, Valbo and Nordbergs to build Duett-based pickup trucks, convertibles and specialized commercial vehicles. The versatility of the ladder-frame design also made the Duett a popular choice as a base for customized vehicles such as hot rods and EPA tractors. The Duett was the only automobile marketed by Volvo in the United States that used a separate frame. All other models were of unibody construction. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Volvo Duett」の詳細全文を読む スポンサード リンク
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