Porsche 917 kurzheck




Porsche 917 kurzheck

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  • The Porsche is a sports prototype race car developed by German manufacturer Porsche. . The changes were quickly adopted into the K for Kurzheck, or "short-tail". In , a variant of the K appeared with a less upswept tail and.

    1 of 18What does a Porsche K go for these days? Photo by Thus, it was christened the Kurzheck -- the "short tail." Two months later.

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    Porsche 917 kurzheck

    Porsche 917 kurzheck

    Wyer grafted the tag from onto Porsche later made revised tail sections for most of the cars and called the cars Kurzheck or K. The car with the 4. Even though Ferrari brought out eleven cars, Porsche success through quazi-works teams was practically guaranteed. The significance of downforce for racing was not yet fully realized although Can-Am and F1 cars were using wings by that time.

    Porsche 917 kurzheck

    Porsche 917 kurzheck

    Porsche 917 kurzheck

    Porsche 917 kurzheck

    Porsche 917 kurzheck

    File:Porsche Kurzheck L, winner 24 Hours of Le APURUGBY.CLUB - Wikimedia Commons

    It was a high-down force version that featured a cut-off tail for increased downforce. This reduced the cars top speed, as much as 30 mph, but it helped the Porsche win Le Mans two years in a row. Few race cars have attained the same notoriety as the The feat was repeated in and the has now become an icon of Porsche performance. These included the Carrera GT, , , but they were often behind the GT40 and Ferrari Prototypes which would take overall victory. In April , the CSI reduced the minimum required production for sports car homologation from 50 to 25 cars.

    The fit well within the new 3. Porsche decided the only way to win the World Sports Car Championship was to build 25 copies of a 5. This risky and expensive investment eventually paid off and positioned Porsche at the top of motor sport. The spaceframe chassis weighed only 93 lbs 42 kg.

    Porsche 917 kurzheck

    To have enough room for the large engine and driver in the small chassis, the foot well and pedals extended past the front wheels. An air-cooled engine, called the type This made the engine more compact which was a primary concern.

    Timing gears were centered in the middle of the block which essentially split the engine in two. Cooling was provided by an electrically powered fan that sat in between the intake trumpets and was exposed through the bodywork. Each unit took over hours to complete and was made of exotic alloys, magnesium and titanium. Access to the engine was provided by a completely removable rear body section which could be changed to high-downforce or low-drag configurations.

    Porsche 917 kurzheck

    For the brief season, a long swooping tail was used with a full size adjustable rear wing. Porsche first revealed the to the press at the Geneva Motorshow. This was followed by an intense CSI homologation inspection, demanding that all the cars needed to be complete before the car could race. Remarkably, Porsche produced eight more cars in three weeks to complete the necessary 25 cars.

    On April 1st, the was homologated just in time for Le Mans. At the km of Spa, a long tail was chosen in favor over the No factory drivers would chose the and instead piloted Spyders to a victory. The trailed in eighth place. Leading up to Le Mans, many drivers were cautious about the , but persisted on with hopes of overall victory.

    Three cars were entered in the race, two factory entries and one loaned to John Woolfe Racing. Unfortunately, John Woolfe suffered a fatal crash on the very first lap which was later attributed to his seat belt and lack of experience.

    Porsche 917 kurzheck

    During the crash, the car was ripped in half, sending its flaming and ruptured fuel tank onto a Ferrari P that was trailing behind. The remaining team cars led for around laps before both dropped out with clutch bell housing problems. Under the direction of John Wyer, the engineers at JWA tackled the handling problems first discovered in testing.

    This greatly improved stability by increasing downforce at the expense of drag. Porsche later made revised tail sections for most of the cars and called the cars Kurzheck or K. Surprisingly, another low-drag version was designed by Robert Choulet.

    Porsche 917 INVASION - AMAZING SOUND



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