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Racecar Engineering

June 2019

Racecar Engineering is the world’s leading technology publication for the motorsport industry. From aerodynamics to engines and from handling theory to manufacturing practice, Racecar Engineering is read by motorsport’s top professionals. Only Racecar Engineering brings this insight every month.

United Kingdom
Chelsea Magazine
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£5.99(Incl. tax)
£49.99(Incl. tax)
12 Issues


access_time5 min.
lost in translation

Motor racing is very good at communicating clearly when it needs to, but in a global sport the language barrier can cause problems English has become the lingua franca of the world, something probably related to the spread of the British Empire, then with the American move to hegemony in a polarised postwar world. In racing there is no escaping English, as the sport’s official language, too.Even the FIA, a French-heavy ruling body, bowed to this in writing the technical and sporting regulations for racing in English – those used for final arbitration – due to the number of British F1 teams, who brought all their lobbying efforts to bear to ensure this was the case.Up until then I had successfully used my knowledge of the French version…

access_time5 min.
once upon a time in the ouest

Could the approach taken with cars like the Porsche 917, where some were sold to privateers, work now? The ACO actually owns this example (XPB) The ACO has, with the FIA, and both with the best of intentions, got itself in a terrible tangle over the impending new regulations for its top Le Mans class. First it planned a pure ‘hypercar’ concept – purpose-built hybrid racing cars that just made styling and brand reference to road-going high-performance vehicles – but reality has dictated a compromise.Now the plan is to allow the reverse of this (road-going hypercars modified for racing) to participate on so-called equalised terms with the dedicated race-designed machines. Neither now, apparently, have to be hybrids.This immediately introduces the prospect, much-hated by many – myself included –…

access_time17 min.
turning japanese

The DTM has finally brought its engine, chassis and aero regulations within touching distance of the Japanese Super GT GT500 rule set, which before too long should see the likes of Audi, BMW and newcomer Aston Martin lining up to take on Super GT stalwarts Toyota, Nissan and Honda, if only in standalone events to begin with later this year. It’s a mouth-watering prospect.But the DTM has had to make some major changes to bring this about. This includes the new 2-litre, 4-cylinder turbo engine, which has meant the weight has gone down by around 35kg due to the new architecture, with a reduction of 50kg overall in the minimum weight of the car – now 986kg without the driver. A fuel restrictor, rather than a flow meter for…

access_time2 min.
late developer

One of the more obvious changes in the DTM this year is the arrival of Aston Martin, which has stepped in to fill the void left by Mercedes’ departure at the end of the 2018 season. The car is based on the Vantage, but a late decision on rubber-stamping the programme left the team with very little time to prepare, and the outfit that’s running the DTM car, R-Motorsport (which is developing the Aston Martin in conjunction with ex-Mercedes team HWA) now says that it is behind schedule in terms of the ideal development time-frame ahead of the first race of the year. The Aston Martin has had to be stretched and also squashed down a bit to fit the DTM’s dimensional template ‘The development team received…

access_time13 min.
supra gt

‘When we applied the Supra’s shape to the 2020 regulations we found that there was a really big drop off in performance’ It has taken almost a decade of negotiation but in October and November the GT500 class of Super GT and the German DTM will come together for a pair of challenge events. The first event will be held in Germany and will see a single racecar each from Lexus, Honda and Nissan take on the entire DTM field, then a few weeks later at Fuji Speedway the entire DTM field and the entire GT500 grid will come together for a two-race, six-manufacturer shootout. This will be the final step towards the creation of the long promised Class 1 regulations which Super GT will, mostly, adopt…

access_time1 min.
tech spec: toyota supra gt500 to class 1 (2020) regulations

Engine TRD RI4AG 2-litre, in-line 4-cylinder with single turbocharger. Features direct injection and pre-chamber ignition Chassis Composite monocoque with steel upper cage; built to DTM regulations by Toray composites Transmission Hewland 6-speed sequential gearbox with ZF clutch; rear-wheel drive Suspension Double wishbone all-round Brakes AP 6-piston calipers (front), 4-piston (rear) with carbon/carbon friction material…