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McLaren MP4-25 - rear-wing comparison 14 Nov 2010

McLaren MP4-25 - rear-wing comparison

On Friday in Abu Dhabi McLaren carried out back-to-back tests with two rear wings. Hamilton's car featured a new version (bottom illustration), where the air from the F-duct system blows on to the main plane of the rear wing. Button ran with the older high-downforce rear wing, where the air blows on...»

McLaren MP4-25 - revised front wing 23 Oct 2010

McLaren MP4-25 - revised front wing

For Korea, McLaren have once again modified the new front wing they introduced in Singapore. This time the new section can be found on the endplate. An additional vertical slot (smaller red arrow) and a vertical gurney flap at the end of the endplate (larger red arrow) have been added to improve...»

McLaren MP4-25 - revised rear wing 10 Oct 2010

McLaren MP4-25 - revised rear wing

The new aero package introduced by McLaren in Japan included a revised version of the Singapore front wing, new longer exhausts, a new engine cover and a new rear wing. The team also changed the way their F-duct worked, as the new version blows on to the main plane (blue arrow, main picture) rather...»

McLaren MP4-25 - revised front wing 25 Sep 2010

McLaren MP4-25 - revised front wing

McLaren introduced a radical new front wing in Singapore, based on the main profile introduced at Silverstone. Its design makes even more clear the intention to separate the airflow into two channels, but with both directing airflow around the outside of the front tyres. On Friday only Jenson Button...»

McLaren MP4-25 - low-downforce rear set-up 12 Sep 2010

McLaren MP4-25 - low-downforce rear set-up

McLaren team mates Jenson Button and Lewis Hamilton decided to run different set-ups for the Monza race. Button used the F-duct and the Spa-spec rear wing, which features quite a big flap. Hamilton decided to use a very low-downforce rear wing, shown here, with last year's end plates, and didn't use...»

McLaren MP4-25 - revised rear underbody 31 Jul 2010

McLaren MP4-25 - revised rear underbody

Since first introducing their exhaust-blown diffuser at Silverstone, McLaren have made many changes to its configuration. In this drawing you can see the reshaped section of underbody (red arrow) and also the different, lower position of the exhaust (highlighted in blue) being used on the MP4-25 in...»

McLaren MP4-25 - blown diffuser modifications 25 Jul 2010

McLaren MP4-25 - blown diffuser modifications

In Hockenheim McLaren have run the blown diffuser that they discarded on Friday evening at Silverstone, with some new modifications. The exhausts have been moved outwards, with a longer inner section, and the pipe is now cut off at an angle rather than having a straight ending. The carbon materials...»

McLaren MP4-25 - revised front wing 10 Jul 2010

McLaren MP4-25 - revised front wing

Although they dropped their blown diffuser for Silverstone, McLaren are using their new front wing. It features two main differences. The vertical splitter in the middle of the wing is new (top arrow). It is nearly level with the inner edge of the front tyres and is designed to improve the airflow...»

McLaren MP4-25 - revised rear diffuser 16 May 2010

McLaren MP4-25 - revised rear diffuser

The latest version of McLaren's diffuser is very similar to the one introduced by Renault, with double longitudinal profiles (yellow-highlighted area). However, there are differences to the French team's solution. The side diffuser is less angled (1), very long and has a unique profile in its end...»

McLaren MP4-25 - new front wing 08 May 2010

McLaren MP4-25 - new front wing

McLaren's new aero package for Spain includes a wider rear diffuser inspired by Renault's solution and this new front wing, which features different endplates, split into two sections. Despite the revisions, the wing itself retains four element profiles....»

McLaren MP4-24 - revised front wing endplates 28 Mar 2010

McLaren MP4-24 - revised front wing endplates

The stewards in Bahrain requested McLaren change the profile of certain parts of their front wing endplates (in yellow), to give previous sharp edges a safer, more rounded shape. They have thus introduced this revised solution in Australia, the changes coming in an area that is very important in...»

McLaren MP4-25 - modified diffuser 28 Mar 2010

McLaren MP4-25 - modified diffuser

McLaren have had to modify the MP4-25's rear diffuser following a rule clarification from the FIA. The horizontal window in the central section was considered to be wider than necessary for simply allowing access for the external engine starter. They have kept almost the same shape (see inset) but...»

McLaren MP4-25 - front chassis duct / rear aero package 13 Mar 2010

McLaren MP4-25 - front chassis duct / rear aero package

Ever since the car's launch, the MP4-25's sophisticated aero package has attracted a lot of attention. The airbox is split into two channels. The lower one (bottom blue arrow) is designed to cool the gearbox radiator. The hot air expelled then hits the exit edge of the lower beam wing and diffuser...»

McLaren MP4-25 - rear aero solutions 19 Feb 2010

McLaren MP4-25 - rear aero solutions

The rear of the new MP4-25 features various aerodynamic solutions that have been devised through wind-tunnel testing and on-track work. At first glance it's the car's long wheelbase, with its long and narrow gearbox, that catches the eye, but it's actually the airflow management at the back which is...»

McLaren MP4-25 - new front wing 08 Feb 2010

McLaren MP4-25 - new front wing

McLaren's new MP4-25 features a totally new front wing, although the endplates are derived from ones that the team often tested but never raced with during the 2009 season. Of particular interest is the nosecone splitter (see black arrow), which is similar to one used by Williams last year and is...»

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