McLaren has unveiled the Arthur GT4 racing model, which will premiere at the Goodwood Speed Festival.
Like Lotus, McLaren has always been focused on reducing weight and maximizing performance. Even Artura with its plug-in hybrid drive weighs only 1,395 kg in its lightest form before adding liquid. However, McLaren has now introduced a racing model that is 130 kg lighter and which does not have hybrid technology due to GT4 regulations.
It is the Arthur GT4 model, which is also 100 kg lighter than the 570S GT4 model it replaces. The transition from the V8 to the more compact V6 engine is also responsible for the weight reduction, and the 6-cylinder engine itself is powerful enough to make the race car very competitive on the track.
Instead of a battery, the Artura GT4 has a 110-liter fuel cell, as well as an auxiliary propulsion system. McLaren claims that the weight is still low and in the center for the purpose of better balance.
In addition to the simplified drive, the Artura GT4 has a different seven-speed transmission that replaced the eight-speed automatic, which was used in the road version where the electric motor was used to reverse. The speed range is shorter, and the car also gets a rear mechanical differential with limited traction, while rear brake wear is reduced. Also, fuel consumption is reduced and cooling efficiency is reduced.
As expected, the race car got a more aggressive aerodynamic body kit that provides greater downforce compared to the outgoing 570S GT4. McLaren has prepared a new front splitter and a new rear wing with seven levels for adjustment so that the car can adapt to different types of tracks. McLaren claims that it is as safe as the 720S GT3 from which it inherited the driver’s seat and adjustable pedals.
Before clashing with the recently unveiled BMW M4 GT4, the McLaren Arthur GT4 will make its public debut on June 23 at the Goodwood Speed Festival, and will cost customers £ 200,000 before any options.
Source: AutoBlog by autoblog.rs.
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