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Racecar EngineeringRacecar Engineering

Racecar Engineering March 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.

Country:
United Kingdom
Language:
English
Publisher:
Chelsea Magazine
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12 Issues

IN THIS ISSUE

access_time5 min.
dose of truth

The law of consequences tends to permeate existence. Nevertheless, foreseeing it will not transport us into Nirvana. Still, being discriminating in my extra-track behaviour, I have never had any STDs. However, I am an expert in clap clinics, especially Brazilian ones. In fact, every time I went to a particular one, located close to the usual hotel for the F1 circus racing at Interlagos, the receptionist would welcome me with a smile and ask: ‘Ah, Mr Ricardo! And what have you brought in this time?’ This was because, being a local and speaking the language, I got used to having team members, and not only from my own team, sidle up discretely and say furtively: ‘Ah, I seem to have a problem.’ At which point I knew what was coming. Prude awakening Britain…

access_time5 min.
formula gp3

I guess few knowledgeable people were surprised when the new single-make chassis/engine combination which is replacing the traditional Formula 3 concept was revealed (see Racecar Engineering, V29N2). Given that the FIA and Liberty have handed over the whole FIA F3 Championship shooting-match to Bruno Michel and his cohorts, lo and behold it clearly resembles a warmed-over GP3 car. In case anyone is unaware, this same organisation has been the previous promoter of this now-defunct category, as well as GP2-now-F2. My first observation is why has such a radical change to a highly successful formula of over 40 years standing taken place when there has been no massively expressed desire from Formula 3 teams and drivers for this to happen? Get one three The direction in which Formula 3 has been forced – there…

access_time11 min.
three’s a crowd

Porsche is the latest manufacturer to present its new customer racing model for GT3 racing, the 911 GT3 R. It is based on the GT3 RS road car, and compared to the outgoing model sports new aero, more front grip, a new front suspension, better safety and vastly updated driver aids. The car was officially launched at the Nurburgring 24 hours in May, 2018, and has completed an extensive test programme in the hands of many different drivers, but made its competition debut at the Daytona 24 hours in January 2019. The development programme focused on improving driveability to cater to Porsche’s amateur drivers and extract more performance for its professionals; cost; servicing, and on reducing time in the pits needed to make set up changes during practice sessions. The result…

access_time2 min.
tech spec: porsche 911 gt3 r (991 gen 2)

Bodyshell Lightweight body featuring intelligent aluminium-steel composite design; removable escape hatch in roof in accordance with the latest FIA regulations. Engine Water-cooled 6-cylinder boxer engine (rear mounted); 4-litre; stroke 81.5mm, bore 102mm. Power, over 404kW (550bhp) without restrictors, actual output dependent on FIA BoP (restrictor); 4-valve technology; direct fuel injection; dry sump lubrication. Electronic engine management Bosch MS 6.4 with integrated data acquisition. Transmission Porsche sequential 6-speed constant-mesh gearbox; mechanical slip differential with external pre-load adjustment; racing clutch; paddleshift with electronic shift drum actuator. Suspension Front: Double wishbone; motorsport vibration damper, 4-way adjustable; anti-roll bar, adjustable by blade position; power-assisted steering with electro-hydraulic pressure feed. Set-up changes without new alignment via shim system. Rear: Multi-link rear axle; machined aluminium control arms, stiffness optimised with high performance spherical bearings; motorsport vibration damper, 4-way adjustable; anti-roll bar, adjustable by…

access_time2 min.
plus four

Porsche used the Daytona 24 hour test session to launch the latest in its customer racing range, the new 718 Cayman GT4 Clubsport which will compete around the world in national series. There are a number of changes to the car compared to the outgoing model and the development team has, as with the GT3 R, concentrated on improving the driveability of the car. Porsche tells us that this is their first production car to feature bodyparts made from natural carbon fibre composite material (CFRP), sourced from agricultural by-products such as flax or hemp fibres, and with similar features to carbon fibre in terms of weight and stiffness. Four pot Powering the 718 GT4 Clubsport is a four-cylinder 3.8-litre flat-six engine producing 425bhp (313 kW), a massive increase of 40bhp compared to the…

access_time14 min.
nowhere to hide

It’s an understatement to say 2018 was a disappointment for McLaren. The Woking-based team had started the season full of hope, for after struggling with Honda power units for four seasons it had switched to Renault, a proven race winner with Red Bull. But it all came to nothing. So where did it all go wrong? With much of the blame for previous failures having been pinned on the Honda power unit and not the chassis it was no surprise to see that the overall design of the 2018 MCL33 seemed to be very much a gentle evolution of the previous year’s MCL32, except for the addition of the now mandatory Halo around the cockpit. Of course, this 12kg titanium structure did necessitate an all new monocoque, but beyond that, when…

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