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Bentley history
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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 |
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