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Bugatti Type 46

Touring car

Summary

Touring car

Field	Value
name	Bugatti Type 46
Bugatti Type 50
image	1933 Bugatti Coach Type 46, 140cv 5350cc 140kmh (inv 0914) photo 2.JPG
caption	1933 Bugatti Type 46 rebodied
manufacturer	Bugatti
production	1929–1936
462 produced
assembly	France: Molsheim, Alsace (Usine Bugatti de Molsheim)
class	Grand tourer
layout	FR layout
engine	5359 cc straight-8
4972 cc straight-8
transmission	4-speed manual
wheelbase	3505 mm (Type 46)
3099 mm (Type 50)
related	Bugatti Type 57

Bugatti Type 50 462 produced 4972 cc straight-8 3099 mm (Type 50)

The Bugatti Type 46 and later Type 50 and Type 50B were touring cars produced by Bugatti from 1929 to 1936.

Type 46

The Type 46 used a 5.4 L (5359 cc/327 in3) straight-8 engine with 3 valves per cylinder driven by a single overhead camshaft. Power was reported at 140 hp (104 kW). The engine was undersquare like most Bugatti designs with an 81 mm bore and 130 mm stroke.

The Type 46 was a large car, weighing 2500 lb (1134 kg) and riding on a 138 in (3505 mm) wheelbase. 400 examples were produced from the end of 1929 through 1936. The three speed gearbox was in unit with the live rear axle, resulting in high unsprung weight, and a relatively harsh ride. Despite this, the model was a favourite of Ettore Bugatti.

Type 46S

A supercharged version, the Type 46S, was introduced in 1930. With just 160 hp (119 kW), from its Rootes-type blower, it was not a great success. 18 supercharged cars were made in all.

Type 50

The Type 50 was a sporting coupe version of the Type 46. It rode on a shorter wheelbase, 122 in (3099 mm), and used a smaller 5.0 L (4972 cc/303 in3) version of the engine. This engine had squarer dimensions, however, at 86 by 107 mm, and twin camshafts actuated two valves per cylinder. Power output was impressive at 225 hp (167 kW). Many cars had landaulet roofs and Bugatti-style two-tone paint.

Type 50T===

The Type 50 Touring was a sedan version of the Type 50. It used the same 138 in (3505 mm) wheelbase as its predecessor, the Type 46, but shared the 5.0 L engine of the Type 50. The engine was tuned for torque, though, with just 200 hp (149 kW) on tap. In total, 65 Type 50 and Type 50T Bugattis were produced between 1930 and 1934.

Type 50B

A racing version, the Type 50B, was also produced. It shared the 5.0 L 2-valve engine but was blown to produce 470 hp. It was used from 1937 through 1939. A pair of these engines were installed in the Bugatti P100 airplane, with specially cast magnesium crankcases.

Gallery

File:Paris - Retromobile 2014 - Bugatti type 46 S - 001.jpg|Bugatti Type 46S 4-door saloon File:Paris - Retromobile 2012 - Bugatti type 46 - 1930 - 001.jpg|1930 Bugatti Type 46 two-seater File:1932 Bugatti Type 50T Coach Profilee.JPG|1932 Bugatti Type 50T

Technical data

Type 46	Type 50	Type 50B	Type 50B III
Engine:	Front mounted 8-cylinder in-line engine
displacement:	5359 cm3	4972 cm3	4741 cm3
Bore × stroke:	81 × 130 mm	86 × 107 mm	84 × 107 mm
Max power at rpm:	140 hp at 3 500 rpm	225 hp at 4 000 rpm	402 hp at 5 300 rpm
Valve control:	1 overhead cam shaft, 3 valves per cylinder, SOHC	2 overhead camshafts, 2 valves per cylinder, DOHC
Compression:		7.5:1
Carburetor:	Smith-Bariquand	2 Zenith
Upload:	Naturally Aspirated	Roots compressor
Gearbox:	4-speed manual
suspension front:	Rigid axle, semi-elliptic leaf springs	Solid axle, semi-elliptic leaf springs
suspension rear:	Live axle, quarter-elliptic leaf springs	Live axle, reversed quarter-elliptic leaf springs
Brakes:	drums, all-round
Chassis & body:	Cast-iron block and head	steel ladder frame
Wheelbase:	310 cm	260 cm
Dry weight:
Top speed:		170 km/h

References

(4 February 2011). "'La Petite Royale', 1930 Bugatti Type 46 Faux Cabriolet Chassis no. 46293 Engine no. 157".

Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

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