MP4-1

The first McLaren to use carbon composites

In an industry where small changes produce big results, McLaren’s introduction of carbon composites as a core structural material was a huge leap forward, changing the face of Formula 1.

Lighter, stronger, quicker

1981 was a milestone in our obsession with lightweight innovation. Recognising that the objectives of the aerospace industry were similar to those on the race track, our designers became interested in the properties of a unique lightweight, but strong material used widely in the aerospace industry at the time: carbon fibre composites. This led us to replace the McLaren M30 chassis, which used up to 50 pieces of aluminium, with a much lighter structure made from just five sections of carbon composite. After exhaustive testing, the MP4-1 made its debut.

A return to the podium

The team’s reward was an improvement in strength, stiffness, performance and safety that was so significant, it would revolutionise racing car design. Our normally reserved driver, the Irishman John Watson, likened the new car to “flying in Concorde, when you’ve only ever flown a 707”. The MP4-1 became our first race winner in the modern era, leaving the rest of the grid trailing behind McLaren’s technological lead.

Protection without compromise

Despite its successful use in the aerospace industry, the world of Formula 1 was yet to be convinced that such light material could protect a driver in a collision. Some doubters even believed it would explode on impact, in a cloud of black dust. When John Watson walked away unhurt from a perfectly intact MP4-1 chassis after a 140mph collision at Monza, the answer was clear. The evidence was so compelling that videos of the incident were soon being used to sell the new material as armour for military helicopters.