Information AboutBody-on-frame |
| CATEGORIES ABOUT BODY-ON-FRAME | |
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chassis.]] Body-on-frame is an Automobile construction technology. Mounting a separate body to a rigid frame which supports the Drivetrain was the original method of building automobiles, and its use continues to this day. The original frames were made of wood (commonly Ash ), but steel '''ladder frames''' became common in the 1930s . In the USA the frequent changes in Automobile Design made it necessary to use a ladder frame rather than Monocoque to make it possible to change the design without having to change the Chassis , allowing frequent changes and improvements to the car's bodywork and interior (where they were most noticeable to customers) while leaving the chassis and driveline unchanged, and thus keeping cost down and design time short. It was also easy to use the same chassis and driveline for several very different cars. Especially in the days before Computer-aided Design , this was a big advantage. {Link without Title} Most small passenger vehicles switched to Body Frame Integral construction in the 1960s , leaving just Truck s, Bus es and large cars using conventional frames. The switch continued for several decades - even small SUV s typically use unibody construction today. Body-on-frame remains the preferred construction method for heavy-duty vehicles, especially those which are intended to carry and pull heavy loads, such as trucks. The Lincoln Town Car dominates the American limousine market because it is the last American luxury car made with body-on-frame, which makes it easy to "stretch." ADVANTAGES AND DISADVANTAGES COMPARED TO UNIBODY Advantages
Disadvantages
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