The Bugatti Type 57 and later variants (including the famous Atlantic and Atalante) was an entirely new design by Jean Bugatti, son of founder Ettore. Type 57s were built from 1934 through 1940, with a total of 710 examples produced.
Most Type 57s used a twin-cam 3,257 cc engine based on that of the Type 49 but heavily modified by Jean Bugatti. Unlike the chain-drive twin-cam engines of the Type 50 and 51, the 57's engine used gears to transmit power from the crankshaft.
The original Type 57 was a touring car model produced from 1934 through 1940. It used the 3.3 L (3,257 cc; 198 cu in) engine from the Type 59 Grand Prix cars, producing 135 hp (100 kW). Top speed was 95 miles per hour (153 km/h).
It rode on a 130-inch (3,302 mm) wheelbase and had a 53.1-inch (1,349 mm) wide track. Road-going versions weighed about 2,100 pounds (950 kg). Hydraulic brakes replaced the cable-operated units in 1938, a modification Ettore Bugatti hotly contested. 630 examples were produced.
The original road-going Type 57 included a smaller version of the Royale's square-bottom horseshoe grille. The sides of the engine compartment were covered with thermostatically-controlled shutters. It was a tall car, contrary to the tastes of the time.
The Type 57S/SC is one of the best-known Bugatti cars. The "S" stood for "surbaissé" ("lowered"). It included a v-shaped dip at the bottom of the radiator and mesh grilles on either side of the engine compartment.
Lowering the car was a major undertaking. The rear axle now passed through the rear frame rather than riding under it, and a dry-sump lubrication system was required to fit the engine under the new low hood. The 57S had a nearly-independent suspension in front, though Ettore despised that notion.
Just 43 "surbaissé" cars were built.
Just two supercharged Type 57SC cars were built new, but most 57S owners wanted the additional power afforded by the blower. Therefore, most of the original Type 57S cars returned to Molsheim for the installation of a supercharger, pushing output from 175 hp (130 kW) to 200 hp (150 kW) and 120 mph (190 km/h). 2014 saw the unveiling of Ralph Lauren's unique $40 million version of this classic.
The Atlantic body Type 57S featured flowing coupe lines with a pronounced dorsal seam running front to back. It was based on the "Aérolithe" concept car of 1935 and styled by Jean Bugatti. Like the Type 59 Grand Prix car, the Aérolithe used Elektron (a magnesium alloy) or Duralumin (an aluminium alloy) for its body panels. Therefore, the body panels were riveted externally, creating the signature seam.
However the production Atlantics (just four were made) used plain aluminium, but the dorsal seams were retained for style, and have led to the car's present fame.
Three of the original four cars are known to survive and each has been restored to their former glory. Two have been honored with Best of Show awards at the Pebble Beach Concours d'Elegance.
Nr. 57374. The first production Atlantic was actually assembled from pieces of the Aerolithe show car. It was restored over long term ownership of Dr. Peter Williamson on New Hampshire. The restoration culminated in Best of Show at the 2003 Pebble Beach Concours, shortly before Dr. Williamson's passing. 57374 was then sold (at a reported price over $30 million) to Peter Mullin of the Mullin Automotive Museum near Los Angeles.
Nr. 57473. This Atlantic has a most unfortunate history. Early in its life it received several styling changes at the hands of the renowned Paris coachbuilder Joseph Figoni. While the changes were subtle 57473 stands different than the other Atlantics. Its history takes an dark turn afterwards. After World War II it spent some time as a racecar and then was sold to a Rene Chatard. Chatard and a female companion were driving the car near Gien, France when they and the Bugatti were hit by a train. Neither survived the crash and the car was confiscated by French police. Much of the car survived but what remained was purchased in 1965 by an enthusastic Frenchman who began a full reconstruction. The car was finished in 1977 and then went on to several owners before the car underwent a full restoration by Paul Russell and Co. in 2006. The car has been restored to its Figoni specification and won acclaim at the 2010 Pebble Beach Concours.
source: Wikipedia
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