Onroak Automotive was selected by the FIA and SCCA Pro Racing to design and produce the single-seater dedicated to the 2018 F3 Americas Championship. Its carbon chassis complies with the FIA F3 Regional regulations coming into force in 2018 and incorporates the halo in its design like the F1s in 2018. The Ligier JS F3 is equipped with Pirelli tyres and powered with a 2-litres Honda engine pushing out 270 bhp.

Different engines can be installed in the Ligier JS F3 to compete in other FIA F3 Regional Series.

Technical sheet

CHASSIS & BODYWORK

  • Carbon composite monocoque FIA F3 tech. reg.
  • Composite bodywork
  • Full 2018 FIA safety compliant

DIMENSIONS & WEIGHT

  • Length: 4895,5 mm
  • Width: 1850 mm
  • Wheelbase: 2920 mm
  • Weight: 650 kg

SUSPENSION

  • Double wishbone, front and rear
  • Pushrod adjustable ride front and rear
  • JRi 2-way adjustable dampers
  • Front and rear adjustable anti-roll bars

GEARBOX

  • 6-speed sequential
  • Pneumatic paddle shift

STEERING

  • Rack and pinion steering
  • Quick release steering wheel
  • Safety collapsible steering column

ENGINE

  • Honda - 2,0-litre - 4-cylinder - 16-valve -  Turbocharged - 270 bhp for the F3 Americas Championship

ELECTRONICS

  • LED Backlit Color Display
  • CAN controlled Power Management
  • 3-axis plus yaw accelerometer
  • Damper potentiometers
  • High Speed 4GB Logger

BRAKES

  • Alcon 4 piston monobloc calipers
  • Alcon vented steel rotors
  • Tilton adjustable pedal mounting assembly

SECURITY

  • 2018 FIA front crash structure
  • 2018 FIA rear crash structure
  • 2018 FIA side impact structures
  • 2018 Cockpit Halo bar
  • 2018 Side and front anti-intrusion panels
  • 2018 FIA specification 6-point harness
  • 6kJ Wheel tethers, 2 per corner
  • On-board fire control system
  • 2018 FIA Headrest compatible with HANS
  • 2018 FIA-specification extractable seat