Categories: UncategorizedNEWS

What's new with the McLaren 720S Spider

Από την πρώτη στιγμή που η McLaren παρουσίασε την 720S, τράβηξε τη προσοχή του κόσμου πάνω της. Σε πρώτη φάση, εντυπωσίασε με το σχεδιασμό της, ο οποίος εκτός από άκρως εντυπωσιακός, είναι και απόλυτα λειτουργικός. Μετά, ακολούθησαν οι δοκιμές και τα συγκριτικά, όπου εντυπωσίασε και πάλι, αυτή τη φορά με τις επιδόσεις της, κάνοντας σκόνη των ανταγωνισμό της και αποδίδοντας και κάτι παραπάνω από αυτά που δηλώνει στα χαρτιά, λες και 720 ίπποι, 770 Nm, 2,9 δευτερόλεπτα για το σπριντ στα 100 χα.ω. και τα 341 χ.α.ω. δεν ήταν αρκετά. Έπειτα απέδειξε, πως η McLaren έμαθε τα λάθη της από τις 12C και 650S, τα διόρθωσε και τα βελτίωσε, δίνοντας ένα εντελώς νέο, βελτιωμένο σε κάθε σημείο αυτοκίνητο. Τώρα, ήρθε η στιγμή που όλοι περίμεναν: Το λανσάρισμα της 720S Spider. Ένα αυτοκίνητο το οποίο έχει να δώσει ό,τι και η Coupe, αυτή τη φορά όμως με αυτό το “κάτι” παραπάνω, που είναι η ικανοποίηση της οδήγησης ενός ανοιχτού αυτοκινήτου.

By Alexandros Fertakis

On the design front, the 720S Spider retains the so-called "double-skin" design from the coupe, where, according to McLaren, the exterior of the car is split in two from the doors and rear. The interior encloses the cabin and engine bay, while the exterior continues, gradually increasing the gap with the interior. The reason, is to create a gradually increasing and aerodynamically functional vacuum, which directs the airflow to the rear of the car, where it is utilized to provide cooling to the car's radiators.

The Spider uses the same chassis, Monocage II-S, as the coupe, which is not only very light but also very rigid. This results in no need for additional reinforcement points in the chassis due to the absence of a fixed roof, keeping the weight at the lowest possible price. The roof, for its part, weighs little more and is fully mechanically retractable, with the folding taking just 11 seconds to complete. But, of course, McLaren couldn't resist adding a detail that will make a difference to the competition. That's why it created a roof that, instead of an aluminium or carbon fibre cover on top, has an electrochromic glass whose darkness changes depending on the current that passes through it (a technology that Mercedes Benz had first fitted to the SL Class), thus varying its darkness and, by extension, the light that passes through it.

So even with the roof closed, one can still enjoy the sunlight. Of course, McLaren couldn't help but keep its signature design element, its "Dihedral" doors. On the 720S, they have been improved in design to create an even wider opening, making it easier to get in and out of the cabin, taking up less space in order to open fully. In addition, they now have the "soft close" function as standard, which not only closes them without "slamming", but also closes them more tightly in order, as the company itself says, "to close them in an elegant way, creating a tighter contact, which reduces wind noise at high speeds". 

But the innovations don't stop there. In the closed version, the rear pillars are very slim, being made of carbon fibre, and there is an extra glass on each side, which helps a lot with good visibility, in what is usually a blind spot in cars of this class. And for this, McLaren has come up with a solution. The third pillars are made of a clear durable material, which not only helps support the roof section and directs air towards the centre at the rear where it is utilised for engine cooling, but maintains visibility by not creating a blind spot, improving aerodynamics and the vertical load generated without increasing aerodynamic drag. Clever, isn't it?

   

The interior of the 720S follows the same philosophy as the exterior. Minimalist design, with everything in the right place, with no unnecessary elements. Opening the door and sitting in the driver's seat, the first thing one sees at first glance is the digital folding dashboard display. In the centre, there is the display for the entertainment system, climate control and some of the car's functions, next to it are the two characteristic buttons of the Active Dynamics Panel, H and P (Handling and Powertrain respectively), and at the bottom, the buttons for operating the roof. All in the middle, in order to be accessible to both passengers, with the top of the console, of course, slightly angled towards the driver's side. Inside, only the finest materials are used, be they leather, Alcantara, carbon fibre or aluminium for the metallic elements.

Η ποιότητα των υλικών είναι κορυφαία, όπως και η συναρμογή του όλου εσωτερικού, το οποίο είναι άνετο και λειτουργικό, πράγμα που είναι μάλλον… σπάνιο για την κατηγορία. Η τεχνολογία του συστήματος “McLaren Driver Interface (MDI)”, προβάλει τόσο στη κεντρική οθόνη του συστήματος infotainment, όσο και στην αναδιπλούμενη οθόνη του ταμπλό, κάθε πιθανή πληροφορία σχετικά με το αυτοκίνητο, την οποία ο οδηγός μπορεί να θέλει να έχει μπροστά του. Στο βασικό εξοπλισμό τοποθετείται ένα σύστημα 4 ηχείων, το ελαφρύτερο που έχει τοποθετηθεί ποτέ σε McLaren, ενώ για τους λάτρεις της μουσικής υπάρχει και η επιλογή ενός συστήματος 12 ηχείων, το οποίο κάνει την αναπαραγωγή της μουσικής ακόμη καλύτερη, με μία διαφορά βάρους η οποία δεν θα γίνει ποτέ αισθητή από το μέσο οδηγό. Ωστόσο, η εργονομία δεν σταματά εδώ. Πέρα από το διαθέσιμο χώρο στο εμπρός μέρος του αυτοκινήτου, η κλειστή έκδοση έχει ένα ειδικά διαμορφωμένο σετ βαλιτσών για το parcel shelf πίσω από τα καθίσματα.

In the open version, this space is taken up by the roof mechanism and the space needed to enter when the roof itself is folded down. McLaren, of course, has come up with a solution for this in order to use it when the roof is closed. At the touch of a button, the roof cover opens and there are two specially designed fabric bags that can hold as many items as that particular space can take. At McLaren, as you can see, nothing goes to waste and there is a solution for everything.

In the mechanical part, the set is the same as the closed version. A new V8 engine, twin-turbocharged, with a capacity of 4000 cc, producing 720 hp and 770Nm of torque. Top speed reaches 341km/h, with the roof down. The numbers, however, continue to be impressive in other metrics as well. 0-100 mph is achieved in just 2.9 seconds, 0-200 in 7.9 seconds. The stopping distance from 100 km/h is realised in just 30 metres, while from 200 km/h, just 118 metres are required. Power is transmitted through a dual-clutch, 7-speed gearbox, with the distribution being carried out through a torque vectoring system rather than a conventional limited-slip differential. The brakes are ceramic, according to some reports this is a design upgraded version of those on the P1, while others say it's a softer version of those on the Senna. Either way, they are highly efficient, which is evident in the deceleration measurements. Through the Active Dynamics Panel, located inside, the driver can individually adjust the settings for the suspension and the engine-transmission set-up, via the H(andling) and P(powertrain) switches respectively.

Both switches have 3 options, Comfort, Sport and Track. The clever thing about this system, is that the switches only adjust the settings if the "Active" button between them is pressed, and if not pressed, the car adjusts the settings accordingly, according to the driving style. The suspension, with electro-mechanical technology, adjusts each shock absorber individually four times a second, depending on the information it receives, and automatically tightens the rear shock absorbers during acceleration and the front ones during deceleration, to a degree depending on the forces applied, in order to make the car as stable as possible, not only in corners, but in any change in its kinematic state or direction. The whole of the car's behaviour is managed by "Proactive Chassis Control II", which uses a complex algorithm, part of a PhD thesis at the University of Cambridge, which collects data from various points and systems in the car, and makes the necessary adjustments to ensure the best possible driving experience.

Στην 720S Spider, η McLaren κατάφερε κάτι το ποίο θεωρητικά δεν ήταν εφικτό. Την συνένωση δύο «κόσμων». Αυτού του ανοιχτού άνετου αυτοκινήτου, με αυτόν του κλειστού σκληροπυρηνικού supercar. Γίνεται ; Ναι. Στην McLaren γίνεται, καθώς το ήδη άκαμπτο πλαίσιο της Coupe, είναι σε θέση να χρησιμοποιηθεί αυτούσιο στη Spider, με την απώλεια στη στρεπτική ακαμψία να είναι τόσο μικρή που δεν γίνεται καν αισθητή, ενώ το βάρος να αυξάνεται τόσο λίγο, που δεν είναι επίσης καν αισθητό από άποψη επιδόσεων και οδηγικής συμπεριφοράς. Είναι λοιπόν δύο αυτοκίνητα σε ένα, με απόλυτη αρμονία και ισορροπία μεταξύ αυτών. Είναι το άνετο cruiser που θα βγει κανείς μία ήρεμη βόλτα, ακούγοντας την αγαπημένη του μουσική και απολαμβάνοντας τον αέρα  που μπαίνει από την ανοιχτή οροφή, αλλά είναι και το σκληροπυρηνικό supercar που θα μπει στη πίστα και θα τα βάλει στα ίσα με όλο τον ανταγωνισμό, μη έχοντας να ζηλέψει ή να φοβηθεί τίποτα από αυτόν. Άραγε, μπορεί τελικά ένα supercar να είναι λίγο από όλα, αλλά παρόλα αυτά, κορυφαίο στον εκάστοτε “ρόλο” του; Ναι. Με την 720S Spider, γίνεται. 

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