SPORTKU.COM - Kelahiran Ford Fiesta R2 di kancah rally internasional merupakan sebuah terobosan baru demi berkembangnya dunia rally.
Fiesta R2 merupakan sebuah spek mobil Ford yang dipertandingkan di berbagai macam rally tingkat dunia. Mobil yang masuk kedalam Grup R ini merupakan pengembangan produk parts dari perusahaan Inggris yang bernama M-Sport.
Perusahaan ini mengembangkan produk parts rally untuk Ford dan juga memiliki berbagai macam program rally dan edukasi yang berhubungan dengan mobil rally bermerek Ford.
R2 merupakan mobil rakitan pertama M-Sport yang memiliki standarisasi regulasi di seluruh rally dunia (Grup R). Ford Fiesta R2 - Developed by M-Sport UK
Ide dari pengembangan Ford Fiesta R2 ini adalah menciptakan mobil rally yang ekonomis, dan dijual secara global dengan spek yang sama, sehingga dapat dipertandingkan di berbagai macam negara.
Kesamaan pada spek tersebut dapat terjadi karena setiap orang yang ingin berkompetisi di kelas ini harus menggunakan Ford Fiesta S dengan rally conversion kit yang sama. Yaitu rally conversion kit yang dikembangkan oleh M-Sport di Inggris.
R2 merupakan mobil rakitan pertama M-Sport yang memiliki standarisasi regulasi FIA (Grup R). Ford Fiesta R2 - Developed by M-Sport UK
Rally conversion kit dari M-Sport ini dijual seharga $30.000. Kit tersebut dapat menjadikan Ford Fiesta S yang kita miliki menjadi legal untuk dipertandingkan di Grup R. Beberapa parts yang didapat antara lain seperti upgrade pistons, conrods, camshafts, injectors.
Sementara pada sektor transmisi adalah penggantian girboks model standar dengan model sequential 5 kecepatan. Dan pada sektor suspensi seperti penggantian sokbreker standar dengan Reiger beserta coil springs dari Eibach.
Rally Kit dari M-Sport Seharga $30.000. Ford Fiesta R2 - Developed by M-Sport UK
Dengan sudah terjualnya Ford Fiesta R2 ke lebih dari 34 negara, diprediksi Ford dengan spek ini akan menjadi balapan yang sangat mendunia dan digandrungi para pecinta rally.
Bagaimana jika Fiesta R2 masuk ke Indonesia?
Mesin 1.6 Zetec 16V 1598cc Ti-VCT. Ford Fiesta R2 - Developed by M-Sport UK
Interior didominasi oleh Sparco. Ford Fiesta R2 - Developed by M-Sport UK
Welded T45 steel multipoint rollcage. Ford Fiesta R2 - Developed by M-Sport UK
Reiger Adjustable Dampener dengan Eibach Springs. Ford Fiesta R2 - Developed by M-Sport UK
Chris Williams, the M-Sport’s Principal Engineer in charge of the R2 development, explained, “The Group N regulations that we had to apply to the Fiesta ST meant that the car had to be production based with the necessary compromises that this inherently produced. The production engineers designing the ST road car had a myriad of criteria to fulfil: noise, vibration, emissions, as well as performance and handling. The R2 regulations, however, allow us to vary the standard mechanism and to ‘cherry pick’ components from the manufacturer’s portfolio in order to optimise the competition benefits.”
The engine is a 1.6 Zetec 16V 1598cc Ti-VCT with four cylinders in line, DOHC, 16 valves, alloy cylinder head and block with variable cam timing. The sump has been modified and the car now has bespoke engine mount bracketry welded to the bodyshell. “The engine mount on the right-hand side is machined aluminium, while the gearbox mount on the left is cast into the gearbox casing, resulting in lightweight, stronger and more cost-effective engine mounts,” explained Williams.
conversion kit consists of pistons, conrods, camshafts, valve springs,
injectors, an airbox, air filter, spark plugs and a sump baffle kit.
The engine delivers 163 PS @ 7,500 rpm and torque of 182 Nm @ 5,700 rpm.
The suspension comprises of Reiger adjustable dampers with Eibach springs, spherical jointed top mounts front and rear. The front dampers are adjustable for bump and rebound. Competitors will have the ability to adjust the geometry by use of camber washers on the front, a similar system to recent Ford Focus WRC cars. The rear suspension beam is taken from the standard car, but has uprated mounts.
The R2 has a two-bolt clamped front upright rather than the spigot fit of the Fiesta ST. Williams explained, “The R2 will have an adaptor pin securely mounted in the upright and a spherical bearing connecting the lower arm, as opposed to a ball joint. We use standard uprights and, to increase the safety margin and clamping force, we will use a five stud hub rather than four stud.”
The standard front brake callipers have been removed and replaced with lightweight four piston competition callipers. The servo has been removed to give improved pedal feel. The Group R regulations mean that the brake lines can be simplified to a standard H-pattern with a bias valve adjuster rather than the dual circuit and pattern of the Fiesta ST. The AP brake discs are 285mm (gravel) and 310mm (Tarmac) and they share a common calliper.
The standard drum brakes have been removed and replaced with Ford Focus derived AP rear discs (280mm) and single piston callipers. An upright hydraulic handbrake is included in the standard kit, not as an option this time around.
Unlike Group N regulations, the R2 rules permit the removal of superfluous panels and brackets. “This allows a considerable weight saving,” explained Williams. “We expect to be bang on the class weight of 1030kg, which is a good saving when compared with the Fiesta ST.” Jacking points are included and seam welding is permitted on the bodyshell.
“We’re using a T45 multipoint rollcage, which is lighter and considerably stiffer than the Fiesta ST rollcage. The door bars are the same size, design and material as currently used in the Ford Focus RS WRC, which is an improved safety feature,” said Williams. The rollcage picks up on suspension points, the seat position is optimised and an integrated dash bar has been incorporated to create additional strength. 35 meters of T45 is used to build the rollcage, which will be supplied in kit form and must be fitted by an ASN approved centre.
“The R2 sumpguard is lighter and stiffer than the one used in the Fiesta ST. The composite tankguard – a positive feature on the ST – has been carried over into the R2 design,” explained Williams.
The R2 employs a five speed sequential gearbox developed by Sadev with plated limited slip differential and uprated driveshafts. A bespoke gearbox casing has been developed specifically for the Fiesta R2. The gear linkage is very simple, running a straight rod with spherical joints. “The driveshafts have been uprated throughout.
The tripod design has been carried over from the series production car and is significantly bigger than that used in the Fiesta ST, thereby increasing the strength of the R2,” said Williams. The clutch has been uprated and the Pi Research engineered ECU has a flat shift feature with full throttle closed loop control shift.
Exhaust System and Manifold
The stainless steel exhaust system and manifold is TIG welded and manufactured by Pankl. A FIA homologated catalyst is included in the system, which is designed to comply with a work limit of 98 dBa at 4,500 rpm.
Sparco ADV seats with side-impact head restraints are included in the R2 standard kit, with six-point Sparco seatbelts and quick release buckles. “Replacement door cards will also come as standard and have been specifically designed to be lightweight and to fit with the rollcage,” concluded Williams.
The R2 has an overlay loom for all auxiliary controls. It also features a Ford Power button to start car and an electrical fire system.
For more information on the Ford Fiesta R2: click here to visit the official website; or click here to download the R2 fact sheet.
Technical Specifications :
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