John
Mamarella
John's
Online
LOTUS
Museum
John
Mammarella
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MARK
7
Lotus
Seven
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.LOTUS
SEVEN
Mark 7
1957 - 1972
Production
Sports Car
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---------------Engine:
Ford 1099cc
-------------Gearbox:
3 Speed Ford
--------------Chassis:
Tubular Space-frame, 55 lbs.
Front suspension:
Double wishbones with Coil Spring & Damper Units.
-Rear
suspension: Ford rigid axle suspended on Coil Spring / Damper Units.
----------Wheelbase:
7 ft. 3.5 in.
---------Front
Track: 4 ft. 1 in.
----------Rear
Track: 3 ft. 9 in.
----------------Weight:
850 lbs.
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The Lotus
Seven began as an uprated version of the successful Lotus Mark 6.
Its introduction
was put off until time was found in the busy racing schedule.
The chassis is
a simplified version of the Eleven.
It has a steel
tube frame with stressed aluminum panels in the undertray and sides, and
aluminum bodywork, ( later with fiberglass nose and fenders ).
A variety of
engines ( BMC, Ford, and Coventry Climax ) were used, and many upgrades
were made over the 16 years of production.
Low and light,
with incredible handling, it is very quick, and a winner of innumerable
club races.
Lotus discontinued
production after the introduction of the steel backbone framed, fiberglass
bodied, Series 4 ( Type 60 ).
Licensed replicas
are still in production today as a variant of the Series 3 Seven, called
the Caterham Seven.
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Series 1: about
242 Produced
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---------------------------------Models:
Seven F
Seven 7
Super Seven
Seven A
Seven A America
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Series 2: about
1350 Produced
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--------------------------------Models:
Seven F
Seven A
Seven A America
Seven
Super Seven
SCCA Cosworth
Super Seven 1500
Cosworth Super
Seven 1500
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Series 3:
about 350 Produced
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---------------------------------Models:
Economy
Standard
Seven SS
Seven S
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Series 4: about
1000 Produced
The
Lotus Dune-Buggy
( see Type 60
)
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