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Bentley 3.5 Litre (1933 - 1937)


 


abused and under-rated for many years, the 3.5 litre was nevertheless a true thoroughbred car

Only due to Rolls-Royce Ltd. having acquired in 1931 the remains of the financially troubled previous competitor the Bentley name as a major part of the British motor industry was saved from oblivion. In 1933 the Bentley 3 1/2 Litre emerged as a clever combination of a chassis derived from an experimental supercharged 2 3/4 litre Rolls-Royce which never saw production and redesigned and tuned 20/25 hp engine. The engine developed around 110 bhp at 4,500 rpm and gave brisk acceleration and a top speed in excess of 90 mph if light coachwork had been specified. The term "The Silent Sports Car" was coined and this model gained even W.O. Bentley's approval, since he was employed by Rolls-Royce from 1931 to 1935 and involved in road testing, but not design, of the early cars. 1177 cars were built.

Wheelbase 3200 mm 126 in  
Track front 1422 mm 56 in  
rear 1422 mm 56 in  
Length 4420 mm 174 in  
Width 1753 mm 69 in  
Kerb weight 1118 kg 2465 lb  
Type S-6
OHV
12 valves total
2 valves per cylinder
Bore stroke 82.00mm 114.00mm
3.23 in 4.49 in
Bore/Stroke ratio 0.72
Displacement 3669 cc
(223.896 cu in)
Unitary capacity 611.5 cc/cylinder
Fuel system 2 SU carbs
Aspiration Normal
Max. output 106.5 PS (105.0 bhp) (78.3 kW)
@3750 rpm
Coolant Water
Specific output 28.6 bhp/litre
0.47 bhp/cu in
0-50mph (80 km/h) 10.30s
Top speed 145 km/h
Power-to-weight 93.92 bhp/ton
chassis
Engine location Front
Engine alignment Longitudinal
Drive RWD
Top gear ratio 1.00
Final drive ratio 4.10