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Delahaye

Delahaye 175 (1948–1951)

Details
Parent Category: D
Category: Delahaye

Delahaye 175 ,178,180

Delahaye 175 -178 -180 car history
Overview
Manufacturer Delahaye
Production 1948–1951
Body and chassis
Class Luxury car
Layout FR layout
Related Delahaye 135
Powertrain
Engine 4,455 cc type 183 I6
Transmission 4-speed pre-selector (Cotal)

 

Delahaye 175 was an automobile manufactured by Delahaye between 1947 and 1951. The last of the large Delahayes, the type 175 was essentially a brand new chassis and engine. The chassis bore little resemblance to the preceding Type 135, other than the cockpit area with its driveshaft tunnel and welded stamped-steel floor, which assembly formed a rigid structural member. The new 4.5-litre engine was visually quite similar to the Type 135, but significantly larger. It had seven main bearings, versus the Type 135's four, and its cylinder head had six intake and six exhaust ports, twelve in all, versus nine in the standard Type 135 ( a few Type 135 race-engines also had twelve port heads). The larger engine was stronger and breathed better <Club Delahaye archive data, obtained from its Bulletin>. The new chassis was completely different from the 135 in its dimensions, proportions, and structural design. Even in the cockpit area, the new chassis had a large parallel-sided central structure, whereas the Type 135's was tapered from its rear cross-member forward, and was narrower.

A very distinct feature was the nearly round open hoop through both rear chassis-rails, through which the DeDion tube and splined half-shafts extended, out to the hub-carriers attached to the rear leaf springs. The appearance of the back section of the new chassis was visually similar to that of the Type 57 Bugatti in this respect. More modern suspension than in the Type 135 was featured in the 175/178/180 chassis-series, with an entirely new previously untried and unproven Dubonnet-licensed independent system up front, replacing the outdated proprietary system used by Talbot-Lago, Delage (also produced by Delahaye from 1935), and the Delahaye Types 135, 145 and 155. The rear suspension was not quite as new a concept, the DeDion system having been earlier employed in the 1938 Type 155 grand-prix single-seat "monoposto".the type 175,it is also a 6-cylinders bore and stroke: 94 X 107 mm with a cylinder capacity of 4,500 cm3 and developed 125 HP (1 carburetor) and 140 HP (3 carburetors)Independent wheel front suspension. The front and rear lanes are 1 m respectively. 450 and 1m. 525.The wheelbase is 2 m. 95.on coach built and 2-door, 4-seater convertible.
With the same general characteristics as the 175,Delahaye builds the types 178 and 180 Only, the wheelbase is amended for Model 178 (wheelbase 3 m. 15) witha 4-5-seater body, sedan and convertible 2 doors.

The front suspension of the Delahaye chassis is a totally independent wheel suspension (Du-bonnet), characterized by the fact that, for each wheel, this contributing to the suspension, damping of the latter and the braking of the wheels, are united in a groupwhich revolves entirely around a pivot.
The operating principle of this suspension is the following :A crank arm carries its free end the spindle B of the wheel.The axis of this crank carries C which rests on a coil spring D and transputs the load.An oil shock absorber consisting of a cylinder E and a piston F is housed inside the coil spring.
The lever which transmits the load to the spring acts at the same time on the shock absorber piston. Additionally, a spring Buffer absorbs bottom stroke shock.The axis of the crank bearing the wheel is journalled in two needle bearings G fixed on a stamped sheet metal housing H which houses the suspension fork lever and the shock absorber.

Delahaye 175,178,180

The crankcase contains oil at a level such that the seals ganes bathe in it completely. Following the oscillations, the shock absorber piston draws in or pushes this oil through to the valves housed in the piston F and in the cap cylinder bottom S, and whose springs are calibrated according to the depreciation to be obtained. The suspension housing pivots around a pivot J fixed a K fork fixed to the chassis. The patella receiving the end of the coupling of the wheels is fixed on the crankcase. The left wheel casing also carries the control rod ball joint.Since the pivot joints are not influenced by The travels of the suspension.This advantage, together with that of the great transverse rigidity of the suspension, gives remarkable handling to the high speeds, despite the use of springs of extreme flexibility, providing comfort hitherto unknown on fast cars.
Braking has an interesting feature. Thebrake shoe support is not attached to the spindle.On the contrary, it oscillates on it, and a connecting rod M,articulated one of its ends to the brake plate N and the other extremity to the housing, parallelogram shape with the arm of crank. This prevents the braking reaction from acting on the suspension spring and cause the front of the car.

Delahaye 175,178,180

The 175, 178, and 180 DeDion system featured a rigidly mounted differential housing containing a Gleason hypoid final-drive gear-set, with a curved large diameter tube connecting both rear hubs, and the drive was by way of two splined half-shafts. The rear leafsprings were conventional, damped by lever-arm hydraulic shock absorbers. The new inline six-cylinder overhead-valve engine produced between 140 and 160 brake horsepower, depending on whether a single Solex or triple Solex carburettors were fitted, and the standard compression ratio was a modest 6.8:1 for the production engines. The optional Type 175-S may have had a somewhat increased compression ratio, for higher performance. The Type 175-S racing engine employed by France's champion driver, Eugene Chabaud, had a claimed 9.1:1 compression ratio, and with its three horizontal Stromberg carburtors, produced 220 brake horsepower <DELAHAYE Sport et Prestige by Francois Jolley; and, DELAHAYE, Tout l'histoire, by Michel Renou>. The performance oriented Type 175-S came with two factory options, being Rudge wire wheels and three Solex down-draft single-venturi carburetors. The front-end and new postwar grille design was executed by Delahaye's young head designer, Philippe Charbonneaux, marking a corporate effort to develop a particular Delahaye "face". Delahaye required coachbuilders to use the corporate grille design, although the more famous ones such as Joseph Figoni (of Figoni et Falaschi), Jacques Saoutchik, and Henri Chapron were given a certain amount of leeway. The new 4.5-litre engine used in these cars carried the "183" engine-block casting code, and was made in two visually distinct forms, the first series being Type 1AL-183 engines found in the six preproduction chassis known about by 1946, and the racing engines provided to Charles Pozzi and Eugene Chabaud, but the majority of the production motors were Type 2AL-183, produced from the same but revised engine-block casting mold, with modifications made for ease of production, modest cost saving, and internal reinforcement. The transmission was a Cotal, this being a semi-automatic an electrically-shifted solenoid-actuated four-speed epicyclic gearbox. The shift lever protruding from the transmission casing operated forward and reverse only, the car being capable of being driven in either direction with the same four gear-ratios 

1949-Delahaye-Type-175-S-Roadster

1949 Delahaye Type 175-S Roadster side view

History

After having spent World War II building railroad rolling stock (train cars) for the German occupiers, Delahaye was included in deputy director General Paul-Marie Pons' 1945 plan Pons for French industry and engineering. His plan Pons was a five-year program for the reconstruction of French industry. The plan allotted Delahaye the position of building covetable sports and luxury cars for the export market, with at least 80% of the company's car chassis being exported to France's colonies, including those in Africa. The plan's objective was to generate much-needed foreign currency for France's struggling postwar economy. The outdated prewar Types 134, 135, and 148L were revived, but Delahaye still needed a "halo car" like the 165. In consideration of the inordinate expense of producing the complicated V-12, with its exotic alloys, as used in the Type 145 sports-racers, the solitary Type 155 monoposto (all five were made exclusively for Lucy O'Reilly-Schell for her team Ecurie Bleue), as well as in the five luxurious and very impressive Type 165 grand touring cars, production of the V-12 ended in 1938, with just twelve sets of engine parts made. The elaborate 4.5-litre V12 had three camshafts, four overhead rocker-shafts, three Stromberg carburetors (in the Types 145 and 155, but a single one in the detuned Type 165), two mechanical fuel-pumps, and dual ignition. The V-12 was replaced by a new, much less complex inline overhead-valve six-cylinder of the same displacement. The new Type 175 debuted as a glitzy show-chassis with partial frontal coachwork demonstrating the company's new postwar "face". It was one of very few to debut at the first postwar Paris Salon in October 1946, and it consequently garnered considerable attention. It would also be Delahaye's first left-hand drive model.

The chassis however, was not yet fully developed nor adequately performance tested, before being put into production. Problems were encountered with the Dubonnet front suspension and sheared rear half-shafts, due to bodies of excessive weight having been mounted upon these chassis. The same unchanged Show-chassis reappeared on Delahaye's stand in 1947, again in 1948, and finally in 1949 with somewhat more frontal coachwork. Production did not truly begin until early 1948, and some say, with conviction, that the three-wheelbase chassis-series was never fully developed. However, as most of the French grandes marques no longer existed, coachbuilders descended upon the Type 175-S in particular, to prove their art.

 

The company's Production Build List verifies that 51 Type 175 chassis were built (numbers 815001 to 815051 inclusive).< Club Delahaye archive, Jean-Paul Tissot president> with no differentiation explaining which of these were Type 175 or optional 175-S chassis. While not a grand success in the marketplace, a Type 175S won the 1951 Monte Carlo Rally,the same car finished in twelfth place in the Carrera Panamericana, while a second Motto-bodied 175-S coupe was disqualified on a technicality.<DELAHAYE Sport et Prestige by Francois Jolly The 175-S came with three carburettors and a 2.95-metre wheelbase; two longer wheelbase versions with single carburetors and 140 HP were also built: The Production Build List confirms that there were 37 of the 3.15-metre wheelbase Type 178 built, and 17 Type 180 chassis  and 180 (333.5 cm) were produced, mainly for heads of state, dignitaries, and the like. Two Henri Chapron-bodied, fully-armoured 180 limousines with divisions were built for the leadership of the French Communist Party in 1948. A prototype "Delage D180" was also developed on this basis, but never entered production as Delahaye focused its Delage production on their D6 model. The total produced in the three-chassis series was 105 chassis. (substantiated by Club Delahaye president Jean-Paul Tissot, from archived company records) name="Rousseau"/>

The 1AL-183 and Type 2AL-183 engines, when equipped with a single carburetor, produced 140 horsepower, allowing a top speed of 130 KPH (type 180), 140 KPH (type 178) and 145 KPH (type 175). The triple-carbureted 175-S raised this to about 160 KPH 160 km/h (99 mph), although naturally these figures were subject to variation depending on which sort of body was fitted, and which coachbuilder made it. Coachbuilder Jacques Saoutchik seemed oblivious of weight, and applied flamboyant heavily-chromed brass embellishments on his extended enclosed fendered bodies.

The rear-wheel drive Type 175, 178 and 180 chassis is considerably more sophisticated than its 135 predecessor, the front suspension being independent with pivoting horizontal cylinders that contained a powerful coil-spring and hydraulic shock absorber in an oil bathDubonnet. The rear was by de Dion, with semi-elliptical springs. Brakes were hydraulic type made by Lockheed. The brake-drums were deeply finned cast-iron, actuated by dual master cylinders with a balance-bar drums all around.

The custom bodies placed on these cars were often much too heavy for what the chassis had originally been designed and engineered for, leading to collapsing Dubonnet suspensions and sheared differential half-shafts. Wet-weather handling was considered unpredictable. A shortage of time and money for development may have been a cause of the 175's failure Delahaye's reputation for solidity took a serious hit in consequence, and although Delahaye managed to introduce the seemingly more modern 235 in 1951, the company did not survive much longer.Delahaye and Delage combined production dropped from 511 in 1949, to 41 in 1952, 36 in 1953, and 7 in 1954.

1949 Delahaye Type 175-S Roadster rear view

1949 Delahaye Type 175-S Roadster rear view

Delahaye History (1895-1954)

Details
Parent Category: D
Category: Delahaye

Delahaye History

Delahaye
Industry Manufacturing
Founded 1895
Founders Emile Delahaye
Defunct 1954
Headquarters Tours (France)
Products Cars

 

Delahaye automobile was an automotive manufacturing company founded by Emile Delahaye in 1894, in Tours, France, his home town. His first cars were belt-driven, with single- or twin-cylinder engines mounted at the rear. His Type One was an instant success, and he urgently needed investment capital and a larger manufacturing facility. Both were provided by a new Delahaye owner and fellow racer, George Morane, and his brother-in-law Leon Desmarais, who partnered with Emile in the incorporation of the new automotive company, "Societe Des Automobiles Delahaye", in 1898. All three worked with the foundry workers to assemble the new machines, but middle-aged Emile was not in good health. In January 1901, he found himself unable to capably continue, and resigned, selling his shares to his two equal partners. Emile Delahaye died soon after, in 1905. Delahaye had hired two instrumental men, Charles Weiffenbach and Amadee Varlet in 1898, to assist the three partners. Both were graduate mechanical engineers, and they remained with Delahaye their entire working careers. Weiffenbach was appointed Manager of Operations, and, with the blessing of both George Morane and Leon Desmarais, assumed control over all of Delahaye's operations and much of its decision-making, in 1906. Amadee Varlet was the company's design-engineer, with a number of innovative inventions to his credit, generated between 1905 and 1914, which Delahaye patented. These included the twin-cam multi-valve engine, and the V6 configuration. Varlet continued in this role until he eventually took over the Drawing Office, at 76 years of age, when much younger Jean Francois was hired in 1932 as chief design-engineer. In 1932, Varlet was instructed by Weiffenbach, under direction from majority shareholder Madam Desmarais, Leon Desmarais' widow, to set up the company's Racing Department, assisted by Jean Francois. <Club Delahaye archive>. Those who knew him well at the factory affectionately referred to Charles Weiffenbach as "Monsieur Charles".

1899 Delahaye Wagonette

1899 Delahaye Wagonette

History

Delahaye began experimenting with belt-driven cars while manager of the Brethon Foundry and Machine-works in Tours, in 1894. These experiments encouraged an entry in the 1896 Paris–Marseille–Paris race, held between 24 September-3 October 1896, fielding one car for himself and one for sportsman Ernest Archdeacon. The winning Panhard averaged 15.7 mph (25.3 km/h); Archdeacon came sixth, averaging 14 mph (23 km/h), while Delahaye himself was eighth, averaging 12.5 mph (20.1 km/h).

For the 1897 Paris-Dieppe, the 6 hp (4.5 kW; 6.1 PS) four-cylinder Delahayes ran in four- and six-seater classes, with a full complement of passengers. Archdeacon was third in the four-seaters behind a De Dion-Bouton and a Panhard, Courtois winning the six-seater class, ahead of the only other car in the class.

In March 1898, 6 hp (4.5 kW; 6.1 PS) the Delahayes of Georges Morane and Courtois came sixteenth and twenty-eighth at the Marseilles-Nice rally, while at the Course de Perigeux in May, De Solages finished sixth in a field of ten. The July Paris-Amsterdam-Paris earned a satisfying class win for Giver in his Delahaye; the overall win went to Panhard.

Soon after the new company was formed in 1898, the firm moved its manufacturing from Tours to Paris, into its new factory (a former hydraulic machinery plant that Morane and his brother-in-law Leon Desmarais had inherited from Morane's father). Charles Weiffenbach was named Operations Manager. Delahaye would produce three models there, until the close of the 19th century: two twins, the 2.2-litre 4.5 hp (3.4 kW; 4.6 PS) Type 1 and 6 hp (4.5 kW; 6.1 PS) Type 2, and the lighter Type 0 (which proved capable of up to 22 mph (35 km/h)), with a 1.4-liter single rated between 5 and 7 hp (3.7 and 5.2 kW; 5.1 and 7.1 PS) All three had bicycle-style steering, water-cooled engines mounted in the rear, automatic valves, surface carburetors, and trembler coil ignition; drive was a combination of belt and chain, with three forward speeds and one reverse.

In 1899, Archdeacon piloted an 8 hp (6.0 kW; 8.1 PS) racer in the Nice-Castellane-Nice rally, coming eighth, while teammate Buissot's 8 hp (6.0 kW; 8.1 PS) was twelfth.

Founder Emile Delahaye retired in 1901, leaving Desmarais and Morane in control; Weiffenbach took over from them in 1906. Delahaye's racing days were over with Emile Delahaye's death. Charles Weiffenbach had no interest in racing, and focused his production on reeponsible motorized automotive chassis, heavy commercial vehicles, and early firetrucks for the French government. Race-cars had become a thing of the past for Delahaye, until 1933, when Madam Desmarais caused her company to change direction a hundred-and-eighty degree, and return to racing.

The new 10B debuted in 1902. It had a 2,199 cc (134.2 cu in) (100 by 140 mm (3.9 by 5.5 in)) vertical twin rated 12/14 hp by RAC, mounted in front, with removable cylinder head, steering wheel (rather than bicycle handles or tiller), and chain drive. Delahaye also entered the Paris-Vienna rally with a 16 hp (12 kW; 16 PS) four; Pirmez was thirty-seventh in the voiturette class. At the same year's Ardennes event, Perrin's 16 hp (12 kW; 16 PS) four came tenth.

Also in 1902, the singles and twins ceased to be offered except as light vans; before production ceased in 1904, about 850 had been built.

Delahaye's first production four, the Type 13B, with 24/27 hp 4.4-litre, appeared in 1903. The model range expanded in 1904, including the 4.9-litre 28 hp (21 kW; 28 PS) four-cylinder Type 21, the mid-priced Type 16, and the two-cylinder Type 15B. These were joined in 1905 by a chain-driven 8-litre luxury model, one of which was purchased by King Alfonso.

All 1907 models featured half-elliptic springs at the rear as well as transverse leaf springs, and while shaft drive appeared that year, chain drive was retained on luxury models until 1911. In 1908, the Type 32 was the company's first to offer an L-head monoblock engine.

Protos began licence production of Delahayes in Germany in 1907, while in 1909, h. M. Hobson began importing Delahayes to Britain. Also in 1909, White pirated the Delahaye design; the First World War interrupted any efforts to recover damages.

Delahaye invented and pioneered the V6 engine in 1911, with a 30° 3.2-litre twin-cam, in the Type 44; the invention is credited to Amadee Varlet, Delahaye's chief design-engineer at the time. The Type 44 was not a success and production stopped in 1914. It had been designed by Amadee Varlet, who had joined Delahaye at the same time that Charles Weiffenback was hired by Emile Delahaye, in 1898. The Type 44 was the only V-6 engine ever made by Delahaye, and it was the last time the company used a twin-cam engine.

Delahaye engineer Amadee Varlet designed the Delahaye "Titan" marine engine, an enormous cast-iron four cylinder engine that was fitted into purpose-built speedboat "La Dubonnet" which briefly held the World Speed Record on Water. With the 'Titan' Amadee Varlet had invented the multi-valve twin-cam engine in 1905, the same year that Emile Delahaye died.

At the Paris factory, Delahaye continued to manufacture cars, trucks, and a few buses. By the end of World War I, their major income was from their truck business that included France's firetrucks.

After the war, Delahaye switched to a modest form of assembly line production, following the example of Ford, hampered by the "extensive and not particularly standardized range" of cars for Chenard et Walker, and itself, and farm machines for the FAR Tractor Company. The collaboration with FAR Tractor Company and Chenard-Walcker did not last long. This continued until continually reduced sales volume made a change necessary, for the company to survive. It has been alleged that Monsieur Charles met with his friend, competitor Ettore Bugatti, to seek his opinion on turning Delahaye around. Whether or not this meeting actually occured, it is on record that Madam Leon Desmarais, the majority shareholder and Leon Desmarais' widow, instructed Charles Weiffenbach to come up with a new higher quality automotive-chassis line with vastly improved horsepower, and re-establish a racing department. That pivotal decision was made in 1932, the year that Jean Francois was hired. By 1933, Delahaye was back in the racing game, and promptly went about winning events and setting records.

At the 1933 Paris Salon, Delahaye showed the Superluxe, with a 3.2-litre six, transverse independent front suspension, and Cotal preselector or synchromesh-equipped manual transmission. It would be accompanied in the model range by a 2,150 cc (131 cu in) four (essentially a cut-down six), and a sporting variant, the 18 Sport.

In 1934, Delahaye set eighteen class records at Montlhéry, in a specially-prepared, stripped and streamlined 18 Sport. They also introduced the 134N, a 12cv car with a 2.15-litre four-cylinder engine, and the 18cv Type 138, powered by a 3.2-litre six — both engines derived from their successful truck engines. In 1935, success in the Alpine Trial led to the introduction of the sporting Type 135 "Coupe des Alpes". By the end of 1935, Delahaye had won eighteen minor French sports car events and a number of hill-climbs, and came fifth at Le Mans.

Racing success brought success to their car business as well, enough for Delahaye to buy Delage in 1935. Delage cars continued in production from 1935 to 1951, and were finally superseded by the Type 235, a modestly updated 135. The truck business continued to thrive. Some of the great coachbuilders who provided bodies for Delahayes include Figoni et Falaschi, Chapron, and Letourneur et Marchand, and Joseph Saoutchik, as well as Guillore, Faget-Varlet, Pourtout, and a few others less well known.

Delahaye ran four 160 hp (120 kW; 160 PS) cars (based on the Type 135) in the 1936 Ulster TT, placing second to Bugatti, and entered four at the Belgian 24 Hours, coming 2-3-4-5 behind an Alfa Romeo.

American heiress Lucy O'Reilly Schell approached the company with an offer to pay the development costs to build short "Competition Court" 2.70- metre wheelbase Type 135 cars to her specifications for rallying. Sixteen were produced, most having been uniformly bodied by "Lacanu" a small coachbuilding firm owned and operated by Olivier Lecanu-Deschamps. Joseph Figoni also bodied one of these chassis. Lecanu could respond quickly, build economically, and was favored by Delahaye for its race-cars. All four Type 145 race-cars were bodied by Lecanu, to a weirdly homely design by Jean Francois. Lecanu both designed and built the last of the four Type 145 bodies, this one on chassis 48775.

In 1937, René Le Bègue and Julio Quinlin won the Monte Carlo Rally driving a Delahaye. Delahaye also ran first and second at Le Mans. Against the government-sponsored juggernauts Mercedes-Benz and Auto Union, Delahaye brought out the Type 145, powered by a new, complicated 4½-liter V12 with three camshafts located in the block, with pushrod-actuated valves and four overhead rocker-shafts, dual Bosch magneto ignition, and triple Stromberg carburettors.Called "Million Franc Delahaye" after a victory in the Million Franc Race, the initial Type 145, chassis 48771, was driven by René Dreyfus to an average speed 91.07 mph (146.56 km/h) over 200 kilometres (120 mi) at Montlhéry in 1937, earning a Fr200,000 prize from the government. Dreyfus also scored a victory in the Ecurie Bleu Type 145, again number 48771 at Pau, relying on superior fuel economy to beat the more powerful Mercedes-Benz W154, in 1938. Third place in the same race was claimed by Gianfranco Comotti, driving Delahaye Type 145 number 48775.Dreyfus brought his Type 145 number 48771 to its second grand-prix win at Cork, in Ireland, but the German teams had boycotted this event, being another between-the-houses race where they could not exploit their superior power. Type 135s also won the Paris-Nice and Monte Carlo Rallys, and LeMans, that year, while a V12 model (Type 145 number 48773) was fourth in the Mille Miglia.These victories combined with French patriotism to create a wave of demand for Delahaye cars, up until the German occupation of France during World War II. The Type 145 was also the basis for five grand-touring Type 165s.,three of which exist today. The other two were demolished during the second World war.

In early 1940, one hundred Type 134N and Type 168 chassis were (Renault-bodied) as military cars built under contract for France's Army. Private sales had been ordered by the government to cease in June, 1939, but small numbers of cars continued to be built for the occupying German forces until at least 1942.

1935 Delahaye front view

After the Second World War

After World War II, in late 1945, production of the Type 135 was resumed, all with new styling by Philippe Charbonneaux. The Type 175, with a 4.5-litre inline overhead-valve six, was introduced in 1948; this, and the related Type 178 and 180, proved unsuccessful The Type 175, 178 and 180 were replaced by the Type 235 in 1951, with an up-rated 135 engine producing 152 hp (113 kW; 154 PS). After the war, the depressed French economy and an increasingly punitive luxury tax regime aimed at luxurious non-essential products, and cars with engines above 2-litres, made life difficult for luxury auto-makers. Like all the principal French automakers, Delahaye complied with government requirements in allocating the majority of its vehicles for export, and in 1947 88% of Delahaye production was exported (compared to 87% of Peugeot and 80% of Talbot output), primarily to French colonies, including those in Africa. Nevertheless, Delahaye volumes, with 573 cars produced in 1948 (against 34,164 by market-leader Citroen), were unsustainably low.

Until the early 1950s, a continuing demand for military vehicles enabled the company to operate at reasonable albeit low volumes, primarily thanks to demand for the Type 163 trucks, sufficient to keep the business afloat.

A 1-ton capacity light truck sharing its 3.5-litre six-cylinder overhead-valve engine with the company's luxury cars (albeit with lowered compression ratio and reduced power output) made its debut at the 1949 Paris Motor Show During the next twelve months, this vehicle, the Type 171, spawned several brake-bodied versions, the most interesting of which were the ambulance and 9-seater familiale variant. The vehicle's large wheels and high ground clearance suggest it was targeted at markets where many roads were largely dust and mud, and the 171 was, like the contemporary Renault Colorale which it in some respects resembled, intended for use in France's African colonies. The vehicle also enjoyed some export success in Brazil, and by 1952 the Type 171 was being produced at the rate of approximately 30 per month.

As passenger car sales slowed further, the last new model, a 2.0-litre Jeep-like vehicle known as VLRD (Véhicule Léger de Reconnaissance (Delahaye)), sometimes known as the VRD, or VLR, was released in 1951.The French army believed that this vehicle offered a number of advantages over the "traditional" American built Jeep of the period. It was in 1951 that Delahaye discontinued production of the Types 175, 178 and 180. During 1953 the company shipped 1,847 VRDs as well as 537 "special" military vehicles: the number of Delahaye- or Delage-badged passenger cars registered in the same year was in that context near negligible, at 36.

Financial difficulties created by an acute shortage of wealthy car buyers intensified. Delahaye's main competitor, Hotchkiss, managed to negotiate a licensing agreement with American Motors, and obtained sanction to manufacture its JEEP in France. The French army had learned to appreciate the simpler machine, available at a much lower price, and cancelled Delahaye's contract for the more sophisticated VLR reconnaisance vehicle, dealing a hard blow to Delahaye. In August 1953 the company laid off more than 200 workers and salaried employees. Rumours of management discussions with Hotchkiss over some sort of coming together proved well founded. Hotchkiss were struggling with the same problems, but it was hoped that the two businesses might prove more resilient together than separately, and an agreement was signed by the two company presidents, Pierre Peigney for Delahaye and Paul Richard for Hotchkiss, on 19 March 1954. Delahaye shareholders agreed to the protocol, which amounted to a take over of Delahaye by Hotchkiss, less than three months later, on 9 June. Hotchkiss shut down Delahaye car production. By the end of 1954, for a brief period selling trucks with the Hotchkiss-Delahaye nameplate, the combined firm was itself taken over by Brandt, and by 1955, Delahaye and Hotchkiss were out of the automotive chassis business altogether, having their facilities absorbed by the giant Brandt organization with its own objectives for its captives' assets. By 1956, the brands Delahaye, Delage, and Hotchkiss had forever disappeared.

1939 Delahaye Saoutchik

1939 Delahaye Saoutchik

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