Lotus 69

[2] He left the basic Lotus 59 construction untouched and only changed the central monocoque section, which contained the two fuel tanks.

The chassis mounts have been modified and the front has been adapted to the new regulations to reduce the radiator inlet.

[3] The basic vehicle construction was designed in such a way that by adding other suspensions and brakes, and by changing the body parts and the wheels, the Lotus 69 could be built into a Formula 3 or Formula B- compliant racing car.

[4] With the increase in the displacement limit to 2000 cc in Formula 2, the racing cars were equipped with a Cosworth BDA engine in 1971.

In 1971 Colin Chapman closed Lotus Racing Ltd. and concentrated on Formula 1 motorsport with his works team.