Radical SR9 LMP2

“Have you ever seen a sportscar, that’s not an Audi, come out of the box and perform so sensationally?” Martin Short, Rollcentre Team Owner

Fastest P2 race lap and fourth fastest P1 race lap, on its maiden outing and more to come” Phil Abbott, Radical co-founder

"The commentary team award’s the Rollcentre Radical SR9 the ‘Car of the Race’ award for not only being the best looking car in the race, but for also getting to the finish, first time” Mark Cole, Motors TV at Le Mans

“Make no mistake: this was a very impressive Le Mans debut by the new Radical“ Motorsport New

Since the Radical SR9 first ran at Paul Ricard in March 2006 the car has exceeded all expectations. This all new LMP2 car complies with the latest ACO regulations and is eligible to run in the LMS, ALMS, Japanese LMC and the 24 Heures du Mans.

The SR9 rolling chassis is of a very high basic specification and includes carbon composite chassis and bodywork, a Ricardo 750Nm paddle operated semi-automatic gearbox, power steering and six pot mono block calipers with dry break couplings.

The SR9’s may be fitted with either a Judd 3.4litre V8 or an AER Powertec 2 litre Turbo.

Running on Dunlop tyres and fitted with the Judd engine, the SR9 proved extremely competitive during the recent 24 Heures du Mans. The SR9 ran seventh overall, for several hours, led the P2 class and completed the event, despite two engine related problems.

Full specification - download schematic outline here (Acrobat Reader required)

Chassis
Carbon-composite chassis, safety structure & head restraint. The first chassis to pass the new 2007 775kg FiA P2 crash test. Designed for either Judd V8 or an AER Powertec turbo engines to be mounted directly to the bulkhead.

Underbody
Carbon-composite front cover, engine cover, tail, side pods, radiator ducting louvres & brake cooling ducting.

Front Crash Structure
Carbon-composite crash box ensuring maximum deceleration of 20g, well within FiA regulations.

Rear Wing
Carbon-composite bi-plane wing with gurney, to ACO 2007 regulations.

Suspension
Double wishbone, front & rear. Suspension is manufactured from 4130 aerofoil section steel. Pushrod-operated, inboard triple-adjustable Intrax titanium bodied, remote reservoir shock absorbers.

Upright & Hubs
Fabricated uprights manufactured from 4130 heat-treated steel, with integral brake cooling. Hubs are manufactured from S155 heat-treated steel, and incorporate center-lock mechanism.

Brakes
Monoblock AP six-pot front and six-pot rear calipers with 355mm × 35mm carbon discs. Brake cooling ducting for both calipers and discs. Quick-release, dry break hydraulic couplins on each caliper.

Transaxle
Ricardo 750Nm transaxle with magnesium casing incorporating six-speed sequential gearbox, mechanical plate limited-slip differential, oil pump and reverse gear. Gear change is via semi-automatic quick shifter (see options).

Steering
Electrically-driven, power-assisted system, crash tested to FiA 2007 regulations. Gear-driven steering rack.

Fire Extinguisher
FEV fire extinguisher system to ACO regulations.

Fuel System
90 litre fuel cell, complying with FiA specification incorporating six pick-up pumps, two high-pressure pumps, and a dry-break system mounted on both sides of the car.

Lighting
Twin, high-intensity Zeon headlights, and LED rear light clusters.

Air Jacks
Triple air jack system, with rear-mounted air jack valve.

Wheels
Forged magnesium BBS 18" diamter × 11" wide front and 18" × 13" rear.

Tyres
Dunlop -suspension is optimised for Dunlop tyres. Alternate tyres can be accommodated

Track Support
Radical engineers will attend the first running of the SR9 in the UK, with overseas suport by arrangement.

Options:

High-downforce Kit
Twin front dive plane, twin rear dive planes and rear gurneys

Cockpit Fittings
Dashboard auxillary panel, driver support, battery & electrical control boxes.

Differential
Visco mechanical differential, enabling one wheel driving to the piuts in the event of a puncture.

Pneumatic semi-automatic gearshift system
To suit engine installation / customer requirements

Electrical
Cockpit-mounted IPU box and aircraft specification wiring harnesses to suit customer requirements.

Data Logging
To customer specification.

Bodywork Finish
A vinyl graphics service is available.

Engine Options
Engine purchase and lease options are available directly from Judd and AER.

Engine Installation
Engine frames, engine beam, cast aluminium bell housing / oil tank, starter mechanism / motor, ring gear, manifold / exhaust, clutch, radiators intercooler, air box / filter, header tank, thermostat, all pipework and fittings.