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In 1934 the Association Internationale des Automobile Clubs Reconnus (AIACR) announced a new formula. The formula that limited the car minus driver, fuel and oil to 750kg without restricting engine size. The race length of a Grand Prix was a minimum 500 kilometer. Hitler's Germany sponsored two teams to compete under this new formula, Mercedes and Auto Union. Each firm split an annual grant of 450,000 Reichmarks with additional bonuses for certain results.This money would only cover a small portion of the vast sums required. It has been estimated that Mercedes needed an annual amount of approximately four million Reichmarks to support their motor racing. In Alfred Neubauer, the team manager, they had just the right person who knew how to spend their money! It was commonly thought that a 2 litre engine was all that could be fitted into a proper race car under those restrictions but due to the use of new light materials the German cars had engines of over 4 liters. Both teams built brand new cars that were the fastest race cars yet built. This the result of the new formula that had been meant to lower speeds! Mercedes' chief designer, Dr. Hans Nibel, designed a car around a conventional layout but incorporating some of the latest development in racing technology. |
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Auto Union a amalgamation of four firms - Horch, Audi, Wanderer and DKW - chose a more radical concept for their Type A Grand Prix car. Designed by Dr. Ferdinand Porsche, the mid-engined car placed the driver lower and further towards the front. It had a V16 4.4-litre supercharged engine that ran on special fuels mixed to a very secret formulae. The exhaust fumes that poured out by the engines was so strong that bystanders would complain of nausea and headaches! The Auto Union like the Mercedes used 4-wheel independent suspension. The suspension was later changed to a De Dion system in the Mercedes to improve handling over bumps and high-speed corners. Both cars were expected to make their debut at Avus near Berlin. During practice the Mercedes all suffered from carburetor problems and were forced to pull out. A parade of the three Auto Union race cars before 200,000 German spectators proved to be the highlight for the German team as only one car was left to finish third behind the Alfas of Guy Moll and Chiron! Two weeks later the German cars tasted their first blood. The Eifelrennen held at the Nurburgring, saw the German cars finished 1-2 with the Mercedes of von Brauchitsch leading the Auto Union of Stuck. Prior to the beginning of the race the Mercedes team created a little excitement when it was found that their cars were 1 kg over the weight limit. Legend has it that following a suggestion by von Brauchitsch, Alfred Neubauer had the paint from each car removed in order to meet the weight limit (Since the race was run to formula libre rules this appears to be a myth), leaving the polished aluminum of the cars exposed and so began the era of the Silver Arrows. The German cars were beginning to gain their stride.
Later that year the Auto Union of Hans Stuck would win the German and Swiss
Grand Prix, while the Mercedes of Caracciola won the Italian and Fagioli the Spanish. In
1935 both Mercedes and Auto Union continued to develop their cars with Auto Union
replacing the rear leaf springs with a torsion-bar suspension. Both had their engines
enlarged, the Auto Union now at 4950cc/375bhp while the Mercedes was at 3990cc/430bhp.
Alfa Romeo made one valiant attempt to stop the German assault that resulted in a
two-engined gas sucking 540bhp car known as the Bimotore. Built by Scuderia
Ferrari in Modena this car was intended for fast tracks such as Avus. Interestingly both
engines drove the rear wheels. But its high tire wear and prodigious gas consumption
proved its Achilles heal. A European Championship for drivers was introduced and
was promptly claimed by Rudolf Caracciola after victories in
Belgium, Switzerland and Spain.
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Rudolf Caracciola would go on to win the title again in 1937 and 1938 while Bernd Rosemeyer would triumph in 1936. The German cars dominated Grand Prix Racing and except for remarkable victories by great drivers such as Chiron and Nuvolari the Italian and French cars had to console themselves with the 1.5-liter voiturette class. One such victory was the German Grand Prix of 1935.
Before an estimated crowd of 300,000 fanatical German fans, Nazi officials and Adolf Hitler the German Grand Prix of 1935 was held. The Mercedes team consisted of Fagioli, von Brauchitsch and Caracciola while Auto Union had Stuck, Rosemeyer, and Varzi.
The Greatest
Victory of all time
Tazio Nuvolari had wanted to
drive for Auto Union but the seat went to his bitter rival. Nuvolari instead drove a
modified Alfa P.3 but suffered from a 50-100 bhp handicap compared to the German cars. At
the start of the race Caracciola surged into the lead followed by Nuvolari who had made a
great start. Rosemeyer and Fagioli soon passed the under-powered Alfa. The race developed
into a battle between the two German stars Caracciola and Rosemeyer but someone forgot to
tell Nuvolari! By the 10th lap Nuvolari had forced himself back into the lead. A round of
pitstops ensued and Nuvolari found himself relegated to sixth place. Driving like a man
possessed he passed first Fagioli, then Rosemeyer and Caracciola, and finally Stuck. Going
into the last lap he was still 30 seconds behind the leader von Brauchitsch and all seemed
lost yet never did Nuvolari slow down. Von Brauchitsch aware of Nuvolari's progress
through the ranks from his pit crew drove his car at the limit and in so doing destroyed
his tires. One let go a half lap from the finish and Nuvolari streaked to victory. "At
first there was deathly silence," MotorSport reported, "and then the
innate sportsmanship of the Germans triumphed over their astonishment. Nuvolari was given
a wonderful reception." This admiration for a great champion was not shared by
the representatives of the Third Reich. Korpsführer Hühnlein angrily tore up his victory
speech as Nuvolari was crowned victor. The Italian flag was hoisted after much searching
and to add salt to the Nazi's wound Nuvolari produced a record of the Italian anthem that
he had brought with him for good luck. The Korpsführer was not amused. This scene would
be repeated a year later when another underdog by the name of Jessie Owens would make
history.
1936 was the year of the Auto Union Type C driven by
Bernd Rosemeyer. The engine had been enlarged again to 6006cc and produced an astounding
520 bhp. Astounding not so much for its
size to horsepower ration but the fact that they were able to fit an engine of this size
and power into a 750kg formula car. Rosemeyer won German, Italian and Swiss Grands Prix
along with the Eifelrennen and the Coppa Acerbo. Mercedes in fact withdrew from racing in
order to develop their counter-attack. Their independent racing department established in
1935 and under the direction of 30-year-old engineer Rudolf Uhlenhaut was given a fresh
infusion of the best Mercedes engineers and ordered to develop a brand new car.
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Nuvolari: The Legend Lives On Since 1930, more than a dozen of books have been dedicated to Tazio Nuvolari, the legendary driver considered the greatest of all times. The 50th anniversary from his death, gives the author Cesare De Agostini, the occasion for a brand new biography, having as a background the most recent researches and offering to the reader a portrait of great historical value through a brilliant and intriguing prose. This volume is enriched by a wonderful collection of pictures (about 200) some of them still unpublished. Hardcover - 10' x 10' - 200 pages - 200 b/w Buy from Alibris |
In
1937 Mercedes created a W125 along with a reworked W25, both of them producing nearly 600
bhp, top speeds reaching 200mph and wheel spin in every gear. The performance of the W125
was unmatched by any other manufacturer, in fact it would not be until the Can-Am cars of
the late 1960s that another race car would equal the horsepower of the 1937 Mercedes Grand
Prix car. 
The Avusrennen that year was run on a modified circuit. Reputedly at the
suggestion of Adolf Hitler, the North Curve was rebuilt and steeply banked allowing for
much higher speeds. The German cars ran with special streamlined bodies. Hermann Lang's
victory driving a Mercedes at an average speed of 162.61 mph was not bested until A.J.
Foyt averaged 164.173, while winning the Indianapolis 500 in 1967. As a final exclamation
point to these great machines, on January 28, Rudolf Caracciola set a new class record in
a 12-cylinder car with special enclosed streamlined body. It set a top speed of 436.9 km/h
during a one-kilometer run in one direction with a flying start. This is the highest speed
ever driven on an ordinary road. Tragically, before the beginning of the 1938 season, the
heart of the Auto Union team was torn out by the death of its star. Bernd Rosemeyer died
while attempting a speed record on the Frankfurt-Darmstadt autobahn. The Auto Union team
even with the talents of Nuvolari was never the same again. The AIACR instituted a new
formulae which limited engine size to 3 liters supercharged or 4.5 liters unsupercharged.
Mercedes and Auto Union answered this new challenge without pause and continued their
dominance. Alfa Romeo abandoned the formula and concentrated on the 1.5-litre voiturette
class for their entry in the Tripoli Grand Prix of 1939. Unbeknownst to Alfa, Mercedes
secretly prepared two 1.5-litre W165 cars for Herman Lang and Caracciola and promptly
finished 1-2. Only the outbreak of the Second World War would stop the German juggernaut.
The cars of this era have rightly been considered some of the greatest racing cars ever
produced by man.
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