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Advanced Materials -- and Ridiculous Engine -- Enable Lamborghini's Punishing New Roadster

Combining ultra-lightweight materials with a monster 750-horsepower engine, engineers at Automobili Lamborghini have created one of the world’s fastest (and most expensive) new convertibles.

The Aventador LP 750-4 Superveloce Roadster zooms from 0-62 mph in a scant 2.9 seconds and hits a top speed of 217 mph, thanks to broad use of carbon fiber-reinforced polymers and aluminum among other lightweight materials. Introduced at the recent Monterey Car Week in California, the Aventador Superveloce, or SV, Roadster will be part of a model line that Lamborghini describes as the “fastest series production Lamborghini ever.”

Lamborghini engineers, who were unavailable for comment last week because the company is on summer hiatus, attribute a large part of the new roadster’s performance to its smart use of materials. The Aventador SV Roadster line uses carbon fiber for the monocoque chassis, hood, rear spoiler, side air inlets, and two-piece removable hardtop (which weighs just 13.2 lb). Aluminum serves in the front and rear frames, front fenders, and doors. The vehicle also employs sheet-molded composites for its superlight rear fender and rocker covers. At a dry weight of 3,472 lbs, the Aventador SV Roadster is said to be about 110 lb lighter than its predecessor, the LP 700-4 Roadster.

The other half of the roadster’s performance equation lies in its use of a naturally aspirated V12 engine -- the same engine employed in the coupe version of the SV. With a displacement of 6.5 liters, it kicks out 750 hp at 8,400 rpm and 690 N-m of torque.

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Of course, such high-tech materials and powerful engine contribute mightily to the new convertible’s $530,000 price tag. Lamborghini plans to produce 500 of the Aventador SV Roadsters and will begin delivering them in early 2016.

Check out photos of the Aventador LP 750-4 Superveloce Roadster in the following slideshow by clicking the image below.

Lamborghini’s Aventador LP 750-4 Superveloce Roadster zooms from 0-62 mph in a scant 2.9 seconds and hits a top speed of 217 mph, thanks to broad use of carbon fiber-reinforced polymers and aluminum. (Source: Automobili Lamborghini)

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Senior technical editor Chuck Murray has been writing about technology for 31 years. He joined Design News in 1987, and has covered electronics, automation, fluid power, and autos.

TAGS: Materials
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