2015 Evolocity High Schools competition Technical regulations (Amended gratefully from Greenpower F24 regulations, UK)
1. Chassis and general construction:
1.1 Chassis of robust build with suitable materials and joining techniques.
1.2 Locking nuts should be used at all times on safety critical components, but it is vital that at least one thread protrudes beyond the locking part of the nut.
1.3 A solid bulkhead forward of the drivers feet with medium density foam.
2. Centre of Gravity
2.1* The base of the batteries must be at or below 100mm from ground level.
2.2 * The driver’s seat including any padding must be at or below 100mm from ground level.
2.3 In the event of a vehicle overturning it will not be allowed to compete that day and furthermore until it can be proved that stability has been improved.
3. * Roll bar:
3.1 The vehicle must have front and rear roll bar offering protection in accordance with the diagrams shown here – the helmeted head of all drivers must be at least 50mm
below the line A-B as shown.
3.2 Roll bars must be firmly secured to the chassis of the vehicle using mechanical fixings. Gluing/bonding of roll bars to chassis with no mechanical fixings is not permitted.
At least one triangulated brace must be fitted to the rear roll bar. This brace should attach to the chassis of the vehicle at one end, to not more than 200mm from the top of
the roll bar at the other, and must be capable of taking forward and rearward loadings.
3.3 Aluminium or steel roll bars are to be used and must be strong enough and of sufficient dimensions to perform satisfactorily. If in doubt check material suitability with
Evolocity.
4. * Seat belt (Optional):
4.1 A minimum 4 fixing point, 50mm width safety harness with secure fixing points on the roll bar or chassis. Harness shoulder strap fixing points should be close to
shoulder height and neck width (approx. 150mm)
5. Chain guard:
5.1 The drive train must be guarded to prevent fingers, hair and clothing becoming trapped at any time, including during pitstops.
6. Tyres and steering:
6.1 Tyres must be pneumatic.
6.2 Tyres not excessively worn (no canvas showing)
6.3 Steering systems must have minimal play in joints
7. Braking:
7.1 The vehicle must have an effective braking system that will prevent it being pushed from standstill with the brakes applied.
7.2 The driver must be able to operate the brakes without removing either hand from the steering mechanism.
8. Driver and seating:
8.1 The vehicle will have one seat firmly fixed to the vehicle chassis for the driver who will remain seated at all times whilst racing.
8.2 *The driver must be seated in a conventional feet forward, head to the back position.
8.3 *There must be a solid floor under the whole of the driver.
8.4 *There should be some form of padded head rest behind the driver’s helmet to prevent whiplash.
8.5 Driver/rider to wear cotton overalls, full face helmet (if no visor then goggles to be worn), sturdy shoes and gloves. There is to be no bare skin exposed, long hair tied
up.
9. Electrics and batteries:
9.1 Batteries must be separated from the driver by a bulkhead or contained in a rigid, covered, ventilated box, which must not be able to short circuit battery terminals
9.2 Fused link rated at 50 amps or less between batteries.
9.3 A 24 volt rated battery isolation switch must be fitted. It should be clearly visible, easily accessible to the driver and from outside the vehicle. On/Off positions must be
clearly marked.
9.4 Batteries are firmly secured to vehicle using rigid fixings- i.e. no webbing or elastic straps.
9.5 Terminals covered, but easily accessible for power testing.
9.6 Motor control based on 0-5V d.c. max speed
9.7 No modification of EV motor or batteries
9.8 Adequate heat dissipation
9.9 Throttle reliably returns to zero
9.10 All wires and terminals on the vehicle must be neatly run, secured and unable to chafe, away from moving parts, and be rated correctly.
10. Other:
10.1 All bearings smooth and free running
10.2 All cockpit edges and sharp edges/protrusions in the cockpit must be padded/protected.
* Not applicable to 2 wheeled bicycle style designs.
2014 to 2015 Amendments highlighted
Evolocity can supply a Health and Safety Plan, RAMS is the responsibility of the school.