The floor of the front luggage compartment has an aluminum triangular load-bearing structure. · Besides adding frontal rigidity, t

The floor of the front luggage compartment has an aluminum triangular load-bearing structure. Besides adding frontal rigidity, the component absorbs crash energy and passes the impact forces to the longitudinal arms in the front of the car. This structure forms a load path, guiding impact forces at the front in the event of a collision to both wheel carriers at the sides and to the front axle final drive unit. The load-bearing elements for the doors are pressure-cast light-alloy, another Porsche first. This is the first time such a frame has been used in a visible surface design on a production car. Besides bringing the stiffness and stability required, these frames reduce the number of individual components on the door to five. The combined weight savings of the new Cabriolet's aluminum doors and decklid are 31 pounds (14 kg) over the predecessor model. Porsche engineers saved even more weight by using composite synthetic fiber for the rear decklid and its integrated rear wing. Easy opening, lightweight weatherproofing As befits any Porsche Cabriolet, the new 911 Turbo Cabriolet has a classic soft folding top. Made of lightweight fabric carried on an alloy frame, the power-operated roof weighs only 93 pounds. And low mass was critical in the top's design since minimal weight above the car's beltline contributes to the car's agility and minimizes body roll in turns. Thanks to the roof's three-layer construction, the top also delivers a high level of insulation, despite its low weight. The topmost layer is made of impregnated polyacrylnitrile which repels dirt and water. That outer layer receives an exclusive Porsche flame treatment which removes all the fine fluff on the fabric surface, helping keep the surface clean and giving the roof a homogenous look. That finishing touch for the roof’s outer layer leaves the surface so smooth that it does not disturb the airflow over it any more than the standard metal top does, which is an outstanding contributor to the new Turbo Cabriolet's aerodynamics. The roof's intermediate layer is made of synthetic rubber, which insulates the passenger cabin from both noise and weather. The bottom, innermost surface is polyester, which helps the top keep its firm shape and gives the car's passenger cabin a cozy, luxurious finishing touch. The front of the top carries a low-weight magnesium panel, mounted between the leading edge and the first roof support bracket, which adds stability to the assembly. Finally, a plastic panel inserted between the top's layers adds structure and further insulation. The rear panel of the top holds a heated glass backlite. When retracted, the top folds in a "Z" pattern, neatly protecting its components and retaining its crisp shape. Staying dry on the fly The complete operation—opening or closing—including lowering and raising side windows as needed is completely automatic. There is no need to manually latch/unlatch the roof or secure its tonneau cover. The roof opens and closes automatically via a center-console mounted button. The process of opening or closing the roof takes about 20 seconds when the car is stationary.