11/10/06

Vehicle Specifications

Vehicle Name       MAX

Vehicle Type         Recumbent trike, Hybrid 1, RACV Energy Breakthrough rules

                           Pedal plus petrol power

Build Date            2001, rebuilt in 2003 with new petrol engine.

                    The following specifications are for the 2003 vehicle.

Dimensions

            Length       2700 mm

            Width         780 mm

            Height       1000 mm

            Front wheel track         740 mm

            Wheelbase                   1150 mm

            Turning circle                10 m

            Mass                            34 kg

Chassis      4130 Chrome Moly, MIG welded.

                Build at Weeroona College to Greenspeed GR 16/19 design.

                Adjustable headrest fitted to chassis.

Canopy       Local design, ‘clam shell’ style with front hinge and latch at rear.

                     Composite,175 gsm woven glass and polyester resin.

                  Polycarbonate windscreens.

Engine Honda GX-25, 4 stroke 25 cc, electric starting.

Fuel System                Standard carburetor, 3.5 litre fuel tank.

Transmission, Engine       Centrifugal clutch with angle grinder primary drive gearbox

Transmission, Pedal        100 tooth chain wheel, 7 speed cassette

Wheels                        20”, 36 spoke

Tyres                          Tioga comp pool

Brakes      Front          RST cable disk brakes

               Rear           side pull caliper

Steering                    Modified Greenspeed with under-seat handlebars

Electrical                    Headlight: 12v x 20 w narrow beam halogen down-lights

                                 Taillight: Student built flashing LED

                                 Horn: piezo

                                 Battery; 12v x 7 AH Sealed lead acid

Fittings                      Side mounted internal rear view mirrors

                                Adjustable air vent to rider’s face

Other    MAX was Weeroona College’s first single seat hybrid 1 vehicle.

            Named after the DYMAXION, a 1930’s experimental, aerodynamic, three wheeled car designed by R. Buckminster Fuller in the USA.

            In 2003 the original Honda GX-31 engine with pull start was replaced with a Honda GX-25 fitted with electric start. Other improvements were made.

            The vehicle has only raced on the two occasions but it has competed as a HPV at the Wonthaggi HP Grand Prix with the engine removed.

Competition Record                          

            2001 RACV Energy Breakthrough: Line honours inaugural event on new hybrid track. Winner hybrid 1 open class trial and overall.

              2003 RACV Energy Breakthrough: winner hybrid 1 open class overall.

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