Lotus 23 Race Car
Climax and Cosworth
The Lotus 23 was a racing sports car, which was developed in 1962 by the British motorsport team Lotus.
The Lotus 23 was designed by Colin Chapman as a sports car two-seater, in the racing versions, the second seat was removed or covered. A rear-engine sports car announced at the 1962 Racing Car Show. It was based on the 1961 Formula Junior car, and the power unit was a choice of Climax and Cosworth-tuned Ford. A car, fitted with an early version of the twin-cam Ford-based engine and driven by Jim Clark, led for eleven laps of the 1962 Nürburgring 1000 km race until Clark, overcome by fumes from an exhaust leak, ran out of road. The cars scored many successes in British events, and from 1963 to 1966 there was made the Series Two (23B) with 140 bhp 1600 cc twin-cam Ford engine.
The Lotus 23 used the suspension of the Lotus 20, a Formula Junior racing car from 1961. The suspensions were also adopted by this monoposto. The body was made of glass fiber reinforced plastic. The Lotus 23 was designed for different displacement classes. 750 cc and 1 litre engines were used. The "B" versions had 1.5 and 1.6 litre engines from Ford.
A rear-engine sports car announced at the 1962 Racing Car Show. It was based on the 1961 Formula Junior car, and the power unit was a choice of Climax and Cosworth-tuned Ford. A car, fitted with an early version of the twin-cam Ford-based engine and driven by Jim Clark, led for eleven laps of the 1962 Nürburgring 1000
km race until Clark, overcome by fumes from an exhaust leak, ran out of road. The cars scored many successes in British events, and from 1963
to 1966 there was made the Series Two (23B) with 140 bhp 1600 cc twin-cam Ford engine.
Some vehicles had a BMW engine. The German racer Toni Fischhaber equipped 23er chassis with 1.6 and 2-liter Agreggaten and went with the car in national in circuit and hill climb at the start.
The Lotus 23 made its debut in 1962 at the 1000 km race at the Nürburgring. In heavy rain, the Scot Jim Clark took the lead from the start. The competition from Porsche, Aston Martin and Ferrari had brought sports cars to the Nordschleife, some of which had four times the performance of the small Lotus. Nevertheless, Clark finished the first lap by a margin of 27 seconds on the Porsche of Dan Gurney, only when the track began to dry after a few laps, he was slowly caught up. In the twelfth lap Clark lost control of the car and came off the track. Vapours escaping from a damaged exhaust had made him sick so he could no longer control the car. A second Lotus 23 with Peter Ashdown and Bruce Johnstone behind the wheel ended the race four laps behind champions Phil Hill and Olivier Gendebien in the Ferrari Dino 246SP in eighth place overall.
The 24-hour race at Le Mans was a scandal when the ACO officials refused to accept race 23 after the technical inspection. Even before the race it became known that this was due to pressure from French racing teams, who feared for their chances in the small classes. The Lotus team had to leave and an angry Colin Chapman made his announcement never to come to Le Mans with a factory team. More than 130 pieces of this car were built by Lotus and until the mid-1960s were popular and successful racing vehicles, which are still seen at events for historic racing vehicles.
Lotus 23 Technical data (1962)
fiberglass reinforced plastic
4-cylinder inline engine (four-stroke)
installed as a mid-engine
displacement: 1498 cc
Power: about 100-110 hp (74-81 kW) at 7500 rpm
Compression: 9.5: 1
carburetor: two Weber double carburetors 40 DCO E 2
Cooling: Water cooling with thermostat
Fuel tank capacity: 36.4 Liters
maximum speed about 160 mph 230 km / h
TRANSMISSION DRIVE LINE:
5-speed gearbox with centre shift
synchronized,gear ratio and axle graduation of your choice
front and rear: Double wishbone front spring damper units, rear coil springs and telescopic shock absorbers,stabilizer front and rear
Hydraulically operated disc brakes, System Girling
DIMENSIONS AND WEIGHT:
Track front / rear: 1308/1270 mm
Wheelbase: 2286 mm
Length × width × height: 3530 × 1447 × 584 mm
Curb weight: 399 kg
Tires rim: 4.50-13 in front, 5.50-13 in the back
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