Austin Cambridge A40 - A50 (GS5)
In 1954 the A40 - A50
Cambridge arrived on the the scene, and was given the code GS5.
This was a total change in body design compared to the Somerset
which was very bulbous.
Above shows a quarter scale clay model,
with the stylist pictures in the background. They would make four
or five versions of the car in quarter scale. Then when the
management had decided which version they liked, a full size clay
model on a wooden frame would be made as shown below.
One of the main differences
was that this model did not have a chassis. With its very square
front and rear it could not have been more different from the model
it replaced. The new radiator grill and sunken headlamps gave it a
totally new look.
Assembly of
A40-50 Cambridge CAB 1
One of the plus points that the new body styling gave was a
generous boot although the opening was marred by the high
sill.
The model was the first to
be powered by the new 'B' engine which was available as a 1200 cc
for the A40 and 1500 cc for the A50. Both engines were married to a
new 4 speed gearbox, but it still retained the steering column
change.
A Borg-Warner overdrive was available in 1956, and in 1958 you
could specify a floor gear change for the manual box. An option
that became available late 1956 was called 'Manumatic' which gave
two pedal control in that there was no longer a clutch pedal. This
was quite innovative at the time as it was fitted with a special
clutch that was made by Automotive Products Co ltd. Leamington Spa.
When you went to change gear using the floor mounted gear lever, on
holding the gear change knob, a micro switch would complete the
electrical circuit and the clutch would disengage. The problem was
that drivers would tend to rest their left hand on the gear knob
thus disengaging the clutch, not a good idea.
The new facia gave the car
a more modern look and the instrument pack was now in front of the
driver.
Suspension was very similar
to the Somerset but using improved lever-arm dampers which gave a
better ride and had a much longer life. Also available for the
first time on such a small engine car, was an overdrive which
operated on second, third and top.
When they first came out in
1954 they had slide up windows, and the fuel filler was in the
boot, trafficators were still the semaphore type. Various people
attached to the testing department pointed out to Leonard Lord that
the windows were hard to open when new, and were prone to slip
down. You had to be very careful when filling up as petrol could
overflow and go straight into the boot. This then allowed petrol
fumes to enter the car. The car went into production with no
modifications as Leonard Lord did not see a problem.
But complaints from the customers about these feature, soon made
the company put in hand work to rectify these problems. So in early
1955 the production models had wind up windows and the boot lid was
modified so the fuel filler cap had its own lockable lid. Soon
after this the semaphore trafficators were changed to flashing
indicators.
Austin Cambridge A40 2dr
& 4dr A50 4dr
Date when launched
1954
A40-A50 4dr were discontinued in 1957
Total produced A40 30,666 A50 114,867
Engine
A40 1200 cc 42 bhp at 4,500 rpm Max torque 58 lbs/ft at 2400
rpm
A50 1500 cc 47 bhp at 4,100 rpm Max torque 74 lbs/ft at 2100
rpm
Main
measurements
Length 13ft 6.3ins Width
5ft 1.5ins Height 5ft 1.5ins
Wheelbase 8ft 3.3ins Track Front 4ft 0.5ins Rear 4ft 1ins
Price ex Works
Nov 1955 A50 £718
Jan 1956 A40 £748 A50
£763
Trentham July
1958
