TECHNICAL SPECIFICATIONS

ENGINE

 

Type:

4 cylinder 1.9-litre Elan Power (Direct Injection Gasoline Turbo)

 

Maximum Power Output:

350bhp at 6800 rpm

 

Maximum Torque Output:

270 lb.ft constant from 3500 to 6800 rpm

 

Throttle Type:

Drive-by-wire

 

Cylinder Head:

Mazda-Speed Direct injection.

 

Water Pump:

Electrically powered.

 

Cylinder Block weight:

25 lb

 

Engine weight:

176 lb

 

Oil sump:

Machined from Aluminum billet for lighter weight and to reduce engine height for installation

 

Fuel type:

E10 VP

 

Exhaust system:

4 into 1 exhaust with external waste-gate

 

 

TRANSMISSION

 

 

Gearbox:

5-speed sequential

 

Clutch:

2 or 3 Plate Carbon-Carbon

 

Shift System:                      Pneumatic paddle shift

 

Crown wheel and pinion:

Planetary final driver Open or limited Differential

 

Drive shafts:

Equal length tripod-jointed half shafts

 

 

CHASSIS

 

 

Chassis type:

FIA-conforming carbon fibre monocoupe

 

Front suspension:

 

 

Rear suspension:

Double-wishbone, unequal length, with coil over shock units to lower wishbones. 4130 heat-treated thin wall tubular steel welded construction

 

Double-wishbone, unequal length, with pushrod/rocker actuation of coil over shock units. Motion ratio discriminiation between heave and roll via fulcrum arm on rear anti roll bar axis

 

Dampers:

Coil over hydraulic dampers

 

Anti-roll bars:

Torsion bar (rear). No front anti-roll bar

 

Steering:

Bevel quadrant steering box without power assist.

 

Jacking:

Air jack

 

Fuel tank

FIA FT3-specification gasoline fuel cell

 

Brakes:

Vented PFC Carbon/Carbon discs with 4-pot aluminium monoblock calipers

 

Brake bias:

40% torque bias front

 

Brake

Ventilated uprights/air cooled

 

Front brake size:

280mm diameter, 18mm thick

 

Rear brake size:

320mm diameter, 25mm thick

 

Wheels:

Forged magnesium 1 piece

 

Front wheel size:

15" diameter, 4" wide

 

Rear wheel size:

15" diameter, 12.5" wide

 

Front tires:

4.0/23/R15 Continental

 

Rear tires:

12.0/24.5/R15 Continental

 

 

WEIGHTS & DIMENSIONS

 

 

Weight:

490kg without fuel or driver, 590kg with fuel and driver

 

Weight distribution (front/rear)

28% / 72%

 

Overall Length:                  4.65m

 

Front width:

0.76m

 

Rear width:

2.08m

 

Height:

1.03m

 

Wheelbase:

3.05m

 

Track width (front)

0.6m

 

Track width (rear)

1.74m

 

Minimum ground clearance (front/rear)

30mm/60mm

 

Fuel tank capacity:

45 litres

 

 

BODYWORK

 

 

Tub and body panels:

Carbon composite

 

Aerodynamics:

Twin vortex underbody downforce system – BLAT (Boundary Layer Adhesion Technology)

 

Centre of pressure:            25% front, 75% rear

 

Coefficient of drag:

 0.35

 

 

PERFORMANCE

 

 

Top speed:

195 mph

 

0-60mph:

3.3 sec

 


 

 

 

 

FEATURES

  • Engine and transmission are “non-stressed members” in the chassis structural design which allows the installation of a wide variety of lightweight powertrains.
  • The car features a 4 cylinder 1900cc air intercooled turbocharged engine that will produce approximately 350 horsepower at 6800 rpm and weigh 176 lb.
  • Transmission is a 5 speed plus reverse longitudinal design with pneumatic sequential paddle shift actuation. The differential features a planetary final drive reduction layout with the entire transmission weighing only 33kg.
  • Vehicle weight distribution is necessarily more rearward than traditionally seen, with 72.5% of the mass between the wide track larger rear tires.
  • 75% of the aerodynamic downforce acts on the rear of the car which has a lift to drag ratio of >4.0.
  • Rear wheel drive coupled with the rearward weight and aerodynamic distributions greatly enhances inline acceleration capability.
  • Unique amongst today’s racing cars, more than 50% of the vehicle’s braking force is generated behind the center of gravity giving a dynamically stable response.
  • Locking propensity of the un-laden front wheel at corner entry is greatly reduced due to virtually no lateral load transfer with the narrow front track/wide rear track layout, steered wheel “scrub drag” moment is virtually zero greatly increasing tire utilization and reducing mid turn understeer. 
  • Advanced computer modeling of structures, impact energy management, aerodynamics, vehicle dynamics and tires has been used to develop the DeltaWing design.