Porsche 917: Zuffenhausens Le Mans and Can-Am Champion Free

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Goodreads helps you keep track of books you want to read. Want to Read saving…. Want to Read Currently Reading Read. Other editions. Enlarge cover. Error rating book. Refresh and try again. Open Preview See a Problem? Details if other :. Thanks for telling us about the problem. Return to Book Page. Preview — Porsche by Karl E. Ludvigsen Introduction. After knocking on the door for decades, Germany's Porsche finally stepped into the big time of international auto racing with its Type in Its phenomenal air-cooled flat engine powered the to 15 wins in world sports-car championship races from toafter which it was outlawed by a rules change. Included were two wins at Le Mans in and ' Fir After knocking on the door for decades, Germany's Porsche finally stepped into the big time of international auto racing with its Type in First built in a series of 25 coupes that Volkswagen chief Ferdinand Piech called the biggest risk he's ever taken in business, the was raced in both short- and long-tailed forms, pumping out bhp by The stands proud in Porsche's history as the costly and daring machine that decisively ended the company's underdog status in international motor sport. Get A Copy. Paperbackpages. More Details Original Title. Friend Reviews. To see what your friends thought of this book, please sign up. To ask other readers questions about Porscheplease sign up. Lists with This Book. This book is not yet featured on Listopia. Community Reviews. Showing Average rating 4. Rating details. More filters. Porsche 917: Zuffenhausens Le Mans and Can-Am Champion order. Feb 28, Dave rated it liked it Shelves: autos-auto-racing. The Porsche was an absolutely amazing vehicle that came to dominate World Endurance racing and the Canadian-American Challenge in the s. This is its story, told in black-and-white photos from the era. It also includes some technical drawings of Porsche 917: Zuffenhausens Le Mans and Can-Am Champion engine and other components for the technically inclined not me. Karl Ludvigsen writes a brief history of the car's development that hits the main highlights. But whoever wrote the photo captions was not always clear or detailed enough in hi The Porsche was an absolutely amazing vehicle that came to dominate World Endurance racing and the Canadian-American Challenge in the s. Some great photos, though. Too bad there were no color plates. May 13, Nnikkoss rated it it was amazing. ZeCryptic rated it it was amazing May 28, Jon Mac marked it as to-read Jan 22, Toryn Green added it Oct 21, Twilken marked it as to-read Oct 25, Alexandre Sene marked it as to- read Mar 18, Brian marked it as to-read Feb 08, Jose marked it as to-read Apr 25, Marco Bertini added it May 07, There are no discussion topics on this book yet. About Karl E. Karl E. Books by Karl E. Escape the Present with These 24 Historical Romances. You know the saying: There's no time like the present In that case, we can't Read more Trivia About Porsche Zuff No trivia or quizzes yet. Welcome back. Just a moment while we sign you in to your Goodreads Porsche 917: Zuffenhausens Le Mans and Can-Am Champion. Porsche Zuffenhausen's Le Mans And Can-am Champion Book () - Enthusiast Books |

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The Porsche is a sports prototype race car developed by German manufacturer Porsche. The gave Porsche its first overall wins at the 24 Hours of Le Mans in and Powered by the Type flat engine of 4. In an effort to reduce the speeds generated at Le Mans and other fast circuits of the day by the unlimited capacity Group 6 prototypes such as the seven-litre Ford GT40 Mk. IV and four-litre V12 Ferrari P the Commission Sportive Internationale then the independent competition arm of the FIA announced that the International Championship of Makes would be run for three- litre Group 6 prototypes for four years from through This capacity reduction would also serve to entice manufacturers who were already building three-litre Formula One engines to adapt them for endurance racing. Well aware that few manufacturers were ready to take up the challenge immediately, the CSI also allowed the participation of five-litre Group 4 sports carsof which a minimum of 50 units had to be manufactured. I and the newer Lola T70 coupe. In Aprilfacing few entrants in races, the CSI announced that the minimum production figure to compete in the sport category of the International Championship of Makes later the World Sportscar Championship was reduced from 50 to 25, starting in through the planned end of the rules in With Ferrari absent inmainly Porsche s and Ford P68s were entered there, with the Ford being a total failure. As a Porsche 917: Zuffenhausens Le Mans and Can-Am Champion, old 2. I taking wins at faster tracks. Starting in JulyPorsche made a surprising and expensive effort to take advantage of this rule. As they were rebuilding race cars with new chassis every race or two anyway, selling the used cars to customers, they Porsche 917: Zuffenhausens Le Mans and Can-Am Champion to conceive, design and build 25 versions of a whole new car with 4. In only ten months the Porsche was developed, based on the Porsche When Porsche 917: Zuffenhausens Le Mans and Can-Am Champion was first visited by the CSI inspectors only three cars were completed, while 18 were being assembled and seven additional sets of parts were present. Porsche argued that if they assembled the cars they would then have to take them apart again to prepare the cars for racing. The inspectors refused the homologation and asked to see 25 assembled and working cars. On March 12,a was displayed at the Geneva Motor Show, painted white with a green nose and a black No. This price did not cover the costs of development. The longitudinally mounted gearbox was designed to take a set of four or five gears. To keep the car compact despite the large engine, the driving position was so far forward that the feet of the driver were beyond the front wheel axle. The car had remarkable technology. It was Porsche's first cylinder engine and used Porsche 917: Zuffenhausens Le Mans and Can-Am Champion components made of titaniummagnesium and exotic alloys that had been developed for lightweight "Bergspider" hill climb racers. Other methods of weight reduction were rather simple, such as making the gear shift knob out of birch wood, some methods were not simple, such as using the tubular frame itself as oil piping to the front oil cooler. There are at least eleven variants of the After exhaustive experimentation by both groups, a shorter, more upswept tail was found to give the car more aerodynamic stability at speed. The changes were quickly adopted into the K for Kurzheckor "short-tail". Ina variant of the K appeared with a less upswept tail and vertical fins, and featured the concave rear deck that had proved so effective on the version of the L. The fins kept the clean downforce-inducing air on the top of the tail and allowed the angle of the deck to be reduced, reducing the drag in direct proportion. The result was a more attractive looking car that maintained down force for less drag and higher top speed. By this time the original 4. The big prize for Porsche however, was Le Mans. For the French circuit's long, high speed straights, the factory developed special long tail bodywork that was designed for minimum drag and thus highest maximum speed. On the car's debut inthe L proved to be nearly uncontrollable as there was so little down force. In fact, they generated aerodynamic lift at the highest speeds. Foran improved version was raced by the factory and forafter very significant development in the wind tunnel, the definitive L was raced by both factory and JW. Porsche s also raced in the European Interseries in various configurations. In testing, it soon Porsche 917: Zuffenhausens Le Mans and Can-Am Champion that the Porsche did not work well on the race track. Porsche factory driver Brian Redman recalled that "it was incredibly unstable, using all the road at speed. The suspension and the stability Porsche 917: Zuffenhausens Le Mans and Can-Am Champion the frame were suspected, but modifications did not improve the problem. As with former underpowered Porsches, the aerodynamics had been optimized for low drag in order to do well on the fast straights of Le Mans, Spa, Monza and elsewhere. The significance of downforce for racing was not yet fully realized although Can-Am and F1 cars were using wings by that time. Before its competition debut on 11 May in the km Spathe weather conditions prevented further improvements in tests. As it was necessary to promote the car in order to sell the surplus ones, Porsche asked BMW for the services of their factory drivers Hubert Porsche 917: Zuffenhausens Le Mans and Can-Am Champion and Porsche 917: Zuffenhausens Le Mans and Can-Am Champion Quester. They practised, but Munich declined permission to have Porsche 917: Zuffenhausens Le Mans and Can-Am Champion race, so Englishman David Piper and Australian Frank Gardner were hired on short terms. At the 24 Hours of Le Mansthe s were quickest in practice. Soon after the start the poor handling of the and the inexperience of one of the drivers resulted in drama: British gentleman-driver John Woolfe crashed his Porsche at Maison Blanche on lap 1, dying as a result. Woolfe was the first privateer to race a The works 14 led early, but succumbed to an oil leak, while the 12 dropped out of the lead and the race in the 21st hour with a broken gearbox, despite leading by nearly 50 miles. In JuneEnzo Ferrari sold half of his stock to FIATand used some of that money to build 25 cars powered by a 5-litre V12 in order to compete with the Porsche the Ferrari would be introduced for the season. At that time, the already had several races under its belt, yet no success. The first win came in the last race of the championship season, the km Zeltweg. At that time, the factory had started to focus on development, leaving the time-consuming trips to races to customer teams. Disappointed by the poor results of the inand facing new competition, Porsche concluded an agreement with John Wyer and his JWA Gulf Team, which became the official Porsche team, and also the official development partner. The tail was clean—the lack of dead gnats indicated that the air was not flowing over the tail. A modification to the tail was cobbled-up on the spot in the Porsche 917: Zuffenhausens Le Mans and Can-Am Champion with aluminium sheets taped together. This new short tail gave the much needed downforce. The plastic engine intake cover had already been removed. Redman and Ahrens were Porsche 917: Zuffenhausens Le Mans and Can-Am Champion only one lap at a time before, they each did 10 laps and were satisfied with the improved performance. Wyer was surprised to discover that another team was carefully preparing for the 24 Hours of Le Mans with close support from Porsche. As inthe Porsche Salzburg team was a de facto works team under control of members of the Porsche family. The Martini Racing team also gained support from Porsche AG; obviously Porsche made efforts to win the race by supporting more than one team. Also, a new low drag version of the was developed for Le Mans with support from the external consultant Robert Choulet. The LH Langheck featured a spectacular new long tail body which had very low drag, yet more rear downforce than the long tail. The did not compete at all the races of the season, however. Vic Elford drove a during practice for the Targa Florio and it proved to be so physically demanding and difficult to drive around the circuit that he had to be lifted out of the car, although he set the 5th fastest time. Driven by Vic Elford and Kurt Ahrens, the pole sitter's 4. Both drivers had also been entered on the team's other car, a red and white K with the 4. The spectacular livery of this car was elaborate whirls and swoops of light Porsche 917: Zuffenhausens Le Mans and Can-Am Champion on a dark blue background. The car with the 4. Early in the race, most of the works Ferrari entrants eliminated each other in a shunt. The two Porsche factory teams, Gulf- Wyer and Porsche Salzburg, continued to battle Porsche 917: Zuffenhausens Le Mans and Can-Am Champion other, but all Wyer cars were out after 12 hours. At the end it was the red and white 23 K of Porsche Salzburg, with the standard 4. Martini's LH came in 2nd. Both cars were later paraded across Stuttgart. In addition to Porsche's triumphant 1, 2 victory, a Porsche came in third overall, a Porsche came in sixth overall plus it won the GT classand a Porsche S was seventh. Two Ferrari s took fourth and fifth place overall. Towards the end of the season, Ferrari entered some races with a new version of thethe M Modificata. The M had a new bodywork built on a similar aerodynamic doctrine as the Porsche K. At the end of the M was as fast as the s. During the season the FIA announced that Group 5 Sports Cars would be limited to a 3-litre engine capacity maximum for the newly renamed World Championship of Makes inso the big s and s would have to retire from the championship at the end Surprisingly, Ferrari decided to give up any official effort with the in order to prepare for the season. A new prototype, the PBwas presented and entered by the factory in several races. But many s were still raced by private teams, most of them converted to M specification. By the end ofPorsche had stamped their authority on endurance racing by convincingly dominating the championship that year. Still having some of their 25 cars remaining unsold, Ferrari offered them to customers at a bargain price — a move that had hardly been imaginable less than two years previously. For Porsche, the original production series of 25 s could not satisfy demand. Over 50 chassis were built in total. An underdog for 20 years, Porsche had turned itself into the new leader of sports car racing with the The domination of Gulf-Wyer and Martini Porsches in was overwhelming. The only potential challenger to the appeared early in the season: Roger Penske had bought a used S chassis that was dismantled and rebuilt beyond M specification. The car was specially tuned for long races, receiving many unique features among which were a larger rear wing and an aviation-inspired quick refueling system. Penske's initiative was not backed by Ferrari works. Driven by Penske's lead driver Mark Donohueit made the pole position for the 24 Hours of Daytona and finished third despite an accident that required almost an hour in the pits. Despite Porsche 917: Zuffenhausens Le Mans and Can-Am Champion fastest on track on a few occasions, the M was not a serious contender. New chassis made of magnesium were developed, even though this material could burn vigorously in the instance of a fire. This experimental car surprisingly qualified 7th for its only race- the Le Mans 24 Hours, but during the night Reinhold Joest crashed the car after its brakes failed. And at Le Mans, once again it was not the new machinery that won.