Lotus 33

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Lotus 33
Lotus 33 Silverstone.jpg
Category Formula One
Constructor Team Lotus
Designer(s) Colin Chapman
Technical specifications
Chassis Aluminium monocoque
Suspension (front) Upper cantilever rocker arms and lower wishbones, with inboard mounted Armstrong coilover spring/dampers
Suspension (rear) Upper transverse links and twin radius rods with reversed lower wishbone. Armstrong outboard coilover spring/dampers.
Engine Coventry Climax FWMV
1,497 cc (91 cu in), or
BRM P56
1,498 cc (91 cu in), or
BRM P60
1,909 cc (116 cu in)
V8 Naturally aspirated mid-mounted
Transmission ZF 5-speed manual
Tyres Dunlop
Competition history
Notable entrants Team Lotus
Reg Parnell Racing
DW Racing Enterprises
Notable drivers United Kingdom Jim Clark
New Zealand Mike Spence
United States Walt Hansgen
Mexico Moisés Solana
Australia Paul Hawkins
United States Bob Bondurant
Mexico Pedro Rodríguez
United Kingdom Peter Arundell
Italy Geki
United Kingdom Graham Hill
United States Mike Fisher
Debut 1964 Aintree 200,
Aintree.

The Lotus 33 designed by Colin Chapman, was a Formula One car built by Team Lotus. Its development was based on the earlier Lotus 25 model, taking the monocoque chassis design to new development heights. The 33 was again powered by the 1500 cc Climax engine. The 33 was almost identical to the 25, but had suspension designed around newer, wider tyres. The car was more rigid and was simpler to build than its predecessor.

Introduced for the 1965 season, Jim Clark took the 33 to victory in its first appearance at the South African Grand Prix before taking the car to four more wins to take his second world championship. Clark missed the Monaco Grand Prix (a race which he would never win) to race in the Indy 500, which he won.

Compared to the 25, the Climax engine had an increase in power (about 210 bhp (157 kW) - 220 bhp (164 kW) compared to the older Climaxes in the 25, which gave about 200 bhp). However the extra power sacrificed reliability, and Clark retired from the final 3 races of 1965, fortunately after he'd wrapped up the title. The 33 was pressed into service with a bored out 2 litre Climax V8 for the early races of 1966, until the 3 litre Lotus 43 was ready.

The 33 also met with success outside of the World Championship with Jim Clark winning the 1967 Tasman Series at the wheel of a Lotus 33 Climax.

A driveable, detailed virtual recreation of this famous Lotus model appeared around 2004 in the '1965 Mod' for the Grand Prix Legends pc-based F1 racing simulation.

[edit] Bibliography


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