TECHNICAL SPECIFICATIONS

ENGINE

Elan Power 4-cylinder Direct Injection Gasoline Turbo

  • In-house billet block and crankshaft cradle
  • Displacement: 122 cubic inch (2.0-litre)
  • Maximum Power Output: 350bhp (261 kW) at 6800 rpm
  • Maximum Torque Output: 270 lb.ft (366 Nm) from 3500 to 6800 rpm
  • Billet Cylinder Block Weight: 25 lb (11 kg)
  • Engine Weight: 176 lb (80 kg)
  • Cylinder Head: Mazda MZR Direct Injection
  • Dry Sump: Custom designed and machined by Dailey Engineering.
  • Crankshaft center to bottom of sump: 3.5 inches (90 mm)
  • Turbo: Borg-Warner 6758, integral wastegate and blow-off valve
  • Fuel type: VP 100 Octane E10

Checking the engine data between practice sessions

CHASSIS

  • Crash tested, FIA-conforming carbon fiber monocoque
  • Front suspension: Double-wishbone, unequal length, with coil over shock units to lower wishbones. 4130 heat-treated thin wall tubular steel welded construction
  • Rear suspension: Double-wishbone, unequal length, with pushrod/rocker actuation of coil over shock units. 4130 heat-treated thin wall tubular steel welded construction
  • Anti-roll bars: Front: None. Rear: Blade-type.
  • Steering: Bevel quadrant steering box without power assist
  • Fuel tank: 14 US gallon (53 litre) FIA FT3-specification gasoline fuel cell

The DeltaWing's wet and dry tires

PERFORMANCE

  • 60-160mph (97 - 257 km/h): 11 sec
  • Top speed: 200 mph (322 km/h)
  • Aerodynamics: Twin vortex underbody downforce system – BLAT (Boundary Layer Adhesion Technology)
  • Downforce: 28% front, 72% rear
  • Braking: 2+ G
  • Cornering: 2.5+ G

The DeltaWing's engine

The parts that make up the DeltaWing engine

TRANSMISSION

  • 6-speed EMCO EGB66
  • Paddle shifted, pneumatically actuated
  • Limited slip differential
  • Clutch: Tilton 3 Plate Carbon-Carbon
  • Drive shafts: Equal length tripod-jointed half shafts

Adjusting suspension to improve aerodynamics

BRAKES, WHEELS, AND TIRES

  • Vented PFC Carbon/Carbon discs with 4-pot aluminum monoblock calipers
  • Front brake size: 11 inch (280mm) diameter, .71 inch (18mm) thick
  • Rear brake size: 12.6 inch (320mm) diameter, .98 inch (25mm) thick
  • Brake bias: 40% max torque bias front
  • Wheels: BBS 1 piece forged magnesium, center locking
  • Front wheel size: 15 inch (381 mm) diameter, 4 inch (102 mm) width
  • Rear wheel size: 15 inch (381 mm) diameter, 12.5 inch (318 mm) wide
  • Front tires: Continental 120-585-R15
  • Rear tires: Continental 300-620-R15

 

WEIGHTS & DIMENSIONS

  • Weight: 1360 lb (615 kg) without fuel or driver
  • Front/Rear Weight Distribution:  27% / 73%
  • Wheelbase: 120 inches (3.05 m)
  • Front Track: 23.6 inches (0.6 m)
  • Rear Track: 68.5 inches (1.74 m)
  • Overall Length: 183 inches (4.65 m)
  • Front width: 29.9 inches (0.76 m)
  • Rear width: 81.9 inches (2.08 m)
  • Height: 40.6 inches (1.03 m)
 

Leading laps at COTA