Spesifikasi Moto2 Pengganti Kelas 250cc Dikeluarkan.

Spesifikasi teknis untuk kejuaraan “Moto2” diungkapkan, yang nantinya akan menggantikan kelas 250cc di tahun 2011.

Perdebatan keputusan untuk mengganti kejuaaraan motor 2-tak saat ini di akhiri pada bulan Juni lalu, dengan publikasi spesifikasi tersebut FIM berharap tujuan utamanya untuk pengurangan biaya dapat tercapai, meskipun status gelaran tersebut masih merupakan ajang motor purwarupa (prototipe).

Diantara regulasi tersebut adalah, hanya mesin4-tak yang tidak menggunakan turbo ataupun supercharged yang diperbolehkan, tapi mereka boleh menggunakan mesin dua, tiga ataupun empat silinder. Dan ada juga pembatasan RPM mesin dengan berat minimum motor sebagai acuannya.

Satu aturan menarik yang di implementasikan adalah kompetitor dapat membeli mesin dari lawanya dengan harga tetap sebesar 20.000 Euro. Dengan ketentuan sebagai berikut:

“Mesin yang digunakan dalam balapan dapat di beli oleh kompetitor lainnya dalam balapan yang sama dengan harga tetap 20.000 Euro. Permintaan pembelian tersebut harus di buat dengan tulisan sendiri kepada Race Direction selama periode protes yaitu selama 60 menit setelah balapan resmi selesai.

“Transaksi dan pengiriman akan di lengkapi segera pada menit ke-60 periode protes berakhir. Tim yang menolak menjual ketika ditunjukkan permintaan yang sah akan di diskualifikasi.”

Data keseluruhan regulasi kelas Moto2 untuk tahun 2011.

Technical Regulations:

Engine
1.1 4-stroke engines only.
1.2 Engine capacity: maximum 600cc.
1.3 4 cylinders maximum.
1.4 No oval pistons.
1.5 Engines must be normally aspirated. No turbo-charging, no super-charging.
1.6 Engine speed limited to maximum:
16,000 rpm. 4-cylinder engines
15,500 rpm. 3-cylinder engines
15,000 rpm. 2-cylinder engines
An electronic system supplied by the Organisers will be permanently attached to monitor and control
engine speed.
1.7 Pneumatic valve operation is not permitted.
1.8 Inlet and Exhaust valves must be of conventional type (reciprocating poppet valves).
1.9 Variable valve timing or variable valve lift systems are not permitted.
1.10 Only wet-sump type engine lubrication systems are permitted.
1.11 Minimum weight of complete engine with throttle body, dry:
53 kg 4-cylinder
50 kg 3-cylinder
47 kg 2 cylinder

Inlet & Fuel System
2.1 Variable-length inlet tract systems are not permitted.
2.2 Only one throttle control valve per cylinder is permitted. No other moving devices are permitted in the inlet tract before the engine intake valve.
2.3 Throttle bodies will have a maximum internal diameter (must be perfectly circle except for the area of dent or groove to allow the injector to come out) at engine side out-let of:
42 mm for 4-cylinder
48 mm for 3-cylinder
59 mm for 2-cylinder
2.4 Fuel injectors will be restricted to a defined type (tba, based on cost).
2.5 Fuel pressure must not exceed 5.0 bar.
2.6 No artificial cooling of intake air or fuel.
2.7 Only air or air/fuel mixture is permitted in the induction tract and combustion chamber.
2.8 No direct fuel injection into the cylinder/head/combustion chamber.
2.9 Fuel specification will be for standard unleaded fuel (commercially available EU-compliant “pump fuel”).

Exhaust system
3.1 Variable length exhaust systems are not permitted.
3.2 Noise limit will be a maximum of 120 dB/A, measured in a static test.

Transmission
4.1 A maximum of 6 gearbox speeds is permitted.
4.2 A maximum of 3 alternate gear ratios for each gearbox speed, and 2 alternate ratios for the primary drive gear is permitted. Teams will be required to declare the gearbox ratios for each gear used at the beginning of the season.
4.3 Electro-mechanical or electro-hydraulic clutch actuating systems are not permitted.

Ignition, Electronics & Data-Logging
5.1 Data logger system will be supplied by the series Organizer.
5.2 Only the ECU/fuel injection control units supplied by the series Organiser are allowed to be fitted to the motorcycle. Electronic control units include the timing transponder, engine RPM control, and datalogger systems. No other electronic control or datalogging systems will be allowed on the motorcycle. The price of ECU unit made by each engine manufacturer must be equal to or less than JPY75,000 (about Euro650).

Chassis
6.1 Chassis will be a prototype, the design and construction of which is free within the constraints of the FIM Grand Prix Technical Regulations. The frame, swing-arm, fuel tank, seat and cowling are forbidden to use from a non-prototype as series production road-going motorcycle.
6.2 Minimum Total Weight:
135kg for 4-cylinder
130kg for 3-cylinder
125kg for 2-cylinder
6.3 No carbon brake discs.

Wheels & Tyres
7.1 No carbon composite wheels.
7.2 The maximum permitted wheel rim width is:
Front 4.00”
Rear 6.00” or 6.25”
7.3 The only permitted wheel rim diameter is:
Front 17”
Rear 17”
7.4 The number of slick tyres allocated to each rider per event will be controlled.

Materials & Construction
8.1 Construction materials will be limited to exclude expensive “non-conventional” materials and manufacturing methods (a list will be issued).
8.2 The following components must be made from iron-based alloys:
Valve springs, camshafts, crankshafts, connecting rods, piston pins, brake discs.
8.3 Engine crankcases and cylinder heads must be made from cast aluminium alloys.
8.4 Pistons must be made from an aluminium alloy.

General
9.1 Number of machines: the team can scrutineer only one motorcycle per rider.
9.2 Number of engines: a maximum of 2 complete engines per rider is permitted at any event. Teams will be required to register engine serial numbers at Technical Control on the day before the first practice.
9.3 Apart from the above regulations, all other construction criteria, dimensions and specifications are as per the FIM Grand Prix Regulations.
9.4 The engine (excluding exhaust, throttle bodies and ECU) used in a race is available to be purchased by another competitor in the same race for a fixed price of €20,000 (Euro). Such purchase request must be made in writing to Race Direction within the protest period, that is within 60 minutes after the official end of the race. The transaction and delivery will be completed immediately at the end of the 60 minute protest period and will be underwritten by IRTA. Teams refusing to sell when presented with a valid request will be disqualified.

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