Bentley 4½ Litre ‘Blower’ Single-Seater 

  • built in England
  • 1929
  • 240 HP 4.4L
  • 140 mph
 
For 1930, Birkin revised the Blower configuration, by fitting the Villiers supercharger up front and breathing through twin SU carburettors.
by www.supercars.net
Using chassis number HB3402, they transformed the standard Blower into something special.
by www.supercars.net

Road Tests Real world tests of the Bentley 4½ Litre ‘Blower’ Single-Seater

Top speed

4½ Litre ‘Blower’ Single-Seater
140 mph
Veyron
253 mph
Veneno
220 mph

Data points Key details of the Bentley 4½ Litre ‘Blower’ Single-Seater

Number built

4½ Litre ‘Blower’ Single-Seater
1 car
LaFerrari
499 cars
Veyron
300 cars

Horsepower

4½ Litre ‘Blower’ Single-Seater
240 HP
Veyron
987 HP
LaFerrari
950 HP

In The News From around the web

The Bentley was in grand trim, roaring very high round the Byfleet banking, dropping to the Fork in a puff of dust, clipping the verge by the Vickers' sheds and going onto the Members' banking each time with that characteristic and disturbing little snake that those who saw the car in action are not likely to forget.
For 1930, Birkin revised the Blower configuration, by fitting the Villiers supercharger up front and breathing through twin SU carburettors.

Specifications Full list of technical specs

general

Brand Bentley
Type of car Race car
Year 1929
Number built 1 car

power & handling

Maximum hp 240 HP @ 3,500 RPM
Steering system Rack and pinion

engine

Displacement 4,398 cc
Air compressor Supercharger
Fuels Gas
Bore/stroke 3.94 in / 5.51 in
Valvetrain Single overhead camshaft (SOHC)
Valves per cylinder 4 valves

road tests

Top speed 140 mph

design

Chief designer Reid Railton

transmission

Drivetrain RWD
Gearing Traditional
# of gears 4 gears

suspension, wheels & brakes

Front brakes Disc
Rear brakes Disc
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