Dynamic Event

Endurance and Fuel Economy

Endurance and Fuel Economy- The following are general guidelines for conducting the endurance and fuel economy event. The organizers reserve the right to establish procedures specific to the conduct of the event at the site.

Endurance Objective- The Endurance Event is designed to evaluate the overall performance of the vehicle and to test the vehicle's reliability.

Fuel Economy (CV only)- The fuel economy test is based on the average liters per kilometer fuel economy obtained during the endurance heat.

NOTE- The vehicle's fuel economy will be measured in conjunction with the endurance event. The fuel economy under racing conditions is important in most forms of racing and also shows how well the vehicle has been tuned for the competition. This is a compromising event because the fuel economy score and endurance score will be calculated from the same heat. No refueling will be allowed during an endurance heat.

Course speeds can be estimated by the following course specifications. The average speed should be 45 km/hr to 55 km/hr with top speeds of approximately 90 to 100 km/hr.

Procedure- All the karts eligible for the endurance and fuel economy test will be divided into batches (number of karts per batch will be decided on the endurance day only). All the karts will be fueled together maintaining the actual endurance order and batch order. After the fuel fill, all the karts will make one friendly lap on the endurance track. No overtaking will be allowed during the friendly lap; a penalty of 30 points will be imposed for overtaking during this lap. Immediately after the trial run; batch one karts will start their endurance test and remaining batches will be parked near to the start line. The event will be run as a single heat approximately 24.8 km long. Teams are not allowed to work on their vehicles during the heat. Wheel-to-wheel racing is prohibited. Passing another vehicle may only be done in an established passing zone.

Note– Procedure and number of laps of endurance test are flexible

Endurance Fuel Fill- For the above-mentioned number of laps karts will be fueled up to 2.5 liters, the amount of fuel to be given may vary if the endurance procedure changes.

Vehicle Starting/Restarting- The vehicle must be capable of starting/restarting without external assistance at all times once the vehicle has begun the heat. If a vehicle stalls out on the track, it will be allowed one (1) lap by the car that is following it (approximately one 1 minute) to restart. If a vehicle has a restart problem at the end of Driver Change, it will be allowed a further two (2) minutes to restart the engine. If restarts are not accomplished within the above times, the car will be deemed disabled and scored DNF for the heat.

Driver Changing Procedure- Lap time will begin when Driver A enters the course and crosses the timing line. Driver A will drive for half of the total laps, and pull into the driver change area. Two (2) minutes are allowed for the team to change drivers, however, if the driver change is successfully accomplished before two minutes, Driver B can start the endurance. The engine should not be killed during the driver change.

Driver A exits the vehicle and any necessary adjustments will be made to the vehicle to fit Driver B (seat cushions, pedal position, etc.). Only three (3) team members, including the driver or drivers, will be allowed in the driver change area, and only the tools necessary to change drivers and/or tires will be carried into this area (no tool chests etc.). Extra people entering the driver change area will result in a 20-point penalty to the final endurance score for each extra person entering the area.

Driver B will then be secured in the vehicle. The driver change area will be placed such that the timing system will see the driver change as an extra-long lap. Unless this driver change takes longer than two minutes, this extra-long lap will not count. If the driver change takes longer than two minutes, the extra time will be counted into the final time. Driver B will drive for the rest of the laps (6) and elapsed time will stop when the car completes the total 12 laps. Driver B will proceed directly to the fueling station.

Vehicle Breakdown and Stalls- If a vehicle breaks down it will be removed from the course and will not be allowed to re-enter the course. If a vehicle stalls, or ingests a cone, etc., it will be allowed to restart and re-enter the course where it went off, but no work may be performed on the vehicle. If a car stalls and cannot be restarted without external assistance, the track workers will push the car off the track. At the discretion of event officials, two (2) team members may retrieve the car under the direction of the track workers.

Endurance Minimum Speed Requirement- If a car is unable to maintain lap times within 133% of the fastest lap time for the course, and then it must exit immediately. Disqualification for failure to maintain the minimum speed will be made at the discretion of the Director of Operations.

Endurance Lap Timing- Each lap of the endurance event will be individually timed either by electronic means. The time for an individual heat will be determined by subtracting the extra-long lap for the driver change from the total time and adding any penalty points.


  • Off Course- For an OC, the driver must re-enter the track at or prior to the missed gate or a twenty (20) second penalty will be assessed.

  • Penalties for Moving Violations-

  • Failure to obey a flag- 1 minute

  • Over Driving (After a closed black flag)- 1 Minute

  • Vehicle to Vehicle contact DISQUALIFIED

  • Out of Order- Running out of order – two (2) minute penalty

  • Mechanical Problem- No additional penalty other than the time lost to ensure that the car is safe to continue.

  • Reckless or Aggressive Driving- Any reckless or aggressive driving behavior (such as forcing another car off the track, refusal to allow passing, or close driving that would cause the likelihood of car contact) will result in a black flag for that driver. When a driver receives a black flag signal, he must proceed to the penalty box to listen to a reprimand for his driving behavior. The amount of time spent in the penalty box will vary from one (1) to four (4) minutes depending upon the severity of the offense.

  • Inexperienced Driver- The Chief Director of Operations may disqualify a driver if the driver is too slow, too aggressive, or driving in a manner that, in the sole opinion of the event, officials, demonstrates an inability to properly control their car resulting in a DNF.

  • Poor Fuel Economy- Mileage exceeding 1 liters/18 km

Endurance Scoring Formula-

Endurance score = 225x [(Tlongest–Tyours)/ (Tlongest–Tshortest)]

NOTE- Tlongest will be 1.333 times the Tshortest

Fuel Economy– The fuel economy score is based on the average liters per kilometer fuel economy obtained during the endurance heat.

Fuel Economy Score Formula-

If Vyour is less than Vmax then the following equation will be used to determine the fuel economy score:

Fuel Economy score = 75x [(Vmax–Vyours)/ (Vmax–Tmin)]

NOTE- Vmax is equal to 2.5 liters and will be adjusted to represent 1 litres/18 km if the course is shortened or lengthened. In case, if Vyour is greater than Vmax then 0 points will be given to the performing vehicle.