CR12

2016

A large focus of the 2016 season was to not only design, but to also implement an aerodynamic package consisting on both front and rear wings, and a set of side pods to add some ground effect. With all the sub groups working hard to minimise mass CR12 came in at 181kg at the FSUK scrutineering.

 

With the Aprilia SXV550 engine having been discontinued in 2013, CR12 was to be the last Cardiff Racing entrant using this motor. During pre-season shakedowns the Aprilia proved its merits, posting consistently fast times at our testing sessions. The team was in high spirits in the run up to FSUK, but alas there were surprises to come. We found there to be a problem in the gearbox that prevented us from shifting past 3rd, severely hampering our times during the first three dynamic events. On the Saturday evening we decided to swap the engine out ready for endurance, regrettably this unit also had underlying issues, culminating in a clutch failure ending CR12's UK campaign. Cardiff Racing returned to Europe with CR12 to follow the successes of CR11 the year before, this time attending events in Austria and Hungary. The engine issues continued, most regrettably in Hungary, where after strong performances in all events a small oil leak caused the team to be retired from endurance as per the rules.

 

Not being the sort of people to dwell on the past Cardiff Racing are looking forward and have started implementing an all new motor ready for CR13 and the 2017 season.

SPECIFICATIONS

Body: Aluminium monocoque / rear spaceframe with backplate

Brakes: Custom 188mm steel discs

Calipers: Front - Brembo (120A44110), Rear - AP Racing (4226-2SO)

Suspension: Front push rod actuated Fox Rc Dampers with Coil Springs, Rear pull rod actuated Fox Rc Dampers with Coil Springs

Tyres: Avon A92

Wheels: 3 piece, Keizer rims and centres

Engine Name: Aprilia SXV 550 V-twin

Engine type: SOHC fluid cooled two cylinder four-stoke

Engine Capacity: 553 cc

Bore & Stroke: 80 x 55 (mm)

Compression Ratio: 12.5 : 1

Inlet: Laser sintered plenum

Injection: Stock injectors

Exhaust: Student designed absorptive 2-1 silencer and manifold

Drive Train: Drexler differential

Final Drive: 3:1

Drive Ratio: 12.5:1

Length: 2967mm

Width: 1250mm

Height: 1200 mm

Wheelbase: 1530 mm

Track: 1150 / 1120 mm

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