Car 2016


HUFS5HUFS1

HUFS4

 

 

 

 

 

 

General 
Overall Length, Width, Height2755mm, 1427mm, 1285mm
Wheelbase1530mm
Track1220 mm Front / 1100 mm Rear
Weight278kg
Power66.8bhp
Ergonomics 
Driver Size AdjustmentsFixed seat, steering wheel & Pedal box, variable padded seat inserts
Seat (materials, padding)2d carbon fiber, bonded with foam inserts
Shift Actuator (type, location)Chassis mounted sequential shift stick.
Clutch Actuator (type, location) Foot lever, pedal box mounted
Powertrain 
Manufacturer / Model 2005 Honda CBR 600 F4i
InductionAtmospheric induction
Fuel Type98 octane petrol/E85 (FlexiFuel)
Max Power design RPM11,000 rpm
Max Torque design RPM8,000 rpm
Fuel System (Sensors)Honda CBR fuel injection system using DTA-Fast S60 ECU
Fuel System SensorsMagnetic crank & Cam trigger, Water temp, Air temp, Manifold pressure, Throttle Pos.
Fuel Pressure70psi (Static)
Injector locationInlet manifold runners
Intake Plenum volume2.5 litre body, 3 litre including taper from restrictor
Effective Intake Runner Length260 mm, (90mm inside head, 170mm manufactured runner)
Exhaust header designStainless steel header
Ignition TimingDigitally programmable by engine management system
Coolant System and Radiator locationDuel Radiators with radiator mounted fans, located in ducted side pods & electric water pump.
Fuel Tank Location, TypeFloor mounted aluminium sheet tank mounted behind driver's seat
SilencerBespoke stainless steel 2-1, centre exit silencer
Drivetrain 
Drive Type#520 Chain
Differential TypeCustom WWTS Lightweight Diff chain drive differential
Half shaft size and material19.7mm diameter 4140 , splined solid shafts
Joint typeGNK Rzeppa style CV joints on sliding splines
Chassis 
Chassis ConstructionSteel tube space frame with welded bulkhead & aluminium firewall
MaterialC350 mild steel tube - cold drawn seamless
Targets (Torsional Stiffness or other)2700 Nm/ deg torsion
Torsional stiffness and validation methodPhysical testing via student built test rig
Bare frame weight with brackets and paint35kg
Crush zone materialBespoke Composite & Aluminium Honeycomb
Joining methodTIG welded
Crush zone length250mm
Brake System / Hub & Axle 
Master CylinderWilwood Compact Master Cylinders, Mechanical bias bar, for brake balance.
Callipers2 x AP-Racing single lightweight aluminium billet Callipers calliper(front) & Willwood PSG-1lighweight alloy (rear)
Hub BearingsOpposed Schaeffler Tapered Roller bearings with single lip seal on outside face (50mm x 80mm x 22mm)
Upright AssemblyCustom 6061 T6 Aluminium CNC machined
Axle type, size, and materialCustom 6061 T6 Aluminium CNC Machined live spindle (front), CNC
Suspension Parameters 
Suspension TypeUnequal length A-Arms. Push rod (rear)/ Pull rod (front) actuated Pneumatic spring/ damper units
Tyre Size and Compound Type7.2/20.0-13 Avon, A92 Compound
Wheels7.0x13 ProRace1.2 billet Al machined rims
Design ride height (chassis to ground)40 mm
Suspension design travel28 mm bump/ 28 mm droop
Static Toe and adjustment methodFront +0.5 deg/Rear -0.5deg adj. by tie rods
Static camber and adjustment methodFront -2deg/Rear -1deg, adj. via shim plates on upright
Front Caster and adjustment method4 degrees, non-adjustable, 17 mm trail
Front Kingpin Axis8 degrees non-adjustable, 8.5 mm offset
Static Ackermann100% Ackermann, adjustable via steering arm
Roll centre position static48 mm above ground (front), 69 mm above ground (rear)
Steer location, Gear ratio, Steer Arm LengthFront wheel steer, in line with lower A-arm and in front of steering axle line, 85.9mm/rev