The Ralt RT1 is a race car chassis produced by Ralt, and was the first modern car produced by the company. It saw widespread use in a number of different motorsports categories, mostly open-wheel racing, but later including sports car racing.

Motor Racing Developments (MRD)/Ralt racing record 1975-1993 RT1. A single aluminium alloy monocoque with rear tubular sub-frame served for all three categories in which the RT1 ran.

But this new Ralt RT1 (RT standing for Ron Tauranac) started with a blank sheet of paper, whereas each of his previous models had been an evolution of the last. A batch of ten cars would be produced in 1975, and the Ralt marque’s racing debut came at Thruxton on March 31 st with Larry Perkins driving for team Cowangie.

The six Formula Atlantic Ralt RT1s for 1976 were: RT1-11 for Cavanaugh Racing and Chip Mead from the start of the North American season; RT1-30, RT1-33 and RT1-34 all sold mid-season to Brian Robertson's Quick-Trans/Gabriel International Warranty team for Bertil Roos, Craig Hill and Richard Spenard; RT1-36 for Kevin Cogan late in the season to ...

In 1978 the Ralt RT1 Toyota dominated the scene in the UK winning the BP Championship with Nelson Piquet and the Vandervell Championship with Derek Warwick. Jan Lammers won the European Championship, Anders Olofsson won the Swedish Championship again and Bertram Schäfer conquered the German one.

The first F3 Ralt, the RT1, consisted of a 16-gauge L72 aluminium monocoque with a steel subframe behind the cockpit. This consisted of two tetrahedron frames that ran to the bottom of a square frame that attached to the Hewland gearbox, a pair of tubular brackets secured the engine to the back of the tub.

The first F3 Ralt, the RT1, consisted of a 16-gauge L72 aluminium monocoque with a steel subframe behind the cockpit. This consisted of two tetrahedron frames that ran to the bottom of a square frame that attached to the Hewland gearbox, a pair of tubular brackets secured the engine to the back of the tub.

Mike Catlow (Dulwich, London/Charing, Kent) drove a Ralt RT1 in British Formula Atlantic from 1980 to 1983. The car was later acquired by Jackie Harris for hillclimbs in Ireland, at first with a 1600cc BDA engine in 1986 and later with a 2-litre BDG from 1987 to 1990. It then went to Andy Kittle, who ran it in hillclimbs around 1993.

This 1978 Ralt RT1 (RT1-34) has been raced successfully in the HSCC Historic Formula 2 Series following a full rebuild in 2019. The car was rebuilt to a very high standard by reputable historic racing team, Hi-Tech Motorsport, and has been prepared …

Ralt RT1 Formula Atlantic cars were powered by 1600 cc Cosworth BDD engines with twin Weber 48 DC02 carburetors. The regulations of the series dictated most components of the cars and as such, specifications vary slightly.