Fine-tuning: Allocation of performance weight revised | DTM.com | The official website
2017-06-15 16:15:00

Fine-tuning: Allocation of performance weight revised

Fine-tuning: Allocation of performance weight revised

The DTM manufacturers and the DMSB have agreed to adapt the regulation for the allocation of the performance weights. The calculation will no longer be based on qualifying, but rather on the performance of the cars in the race. Background: the characteristics of the new 2017-spec control tyres by series’ partner Hankook, as required by the DTM, had the effect that the qualifying results no longer form a reliable indication for the performance of the cars. The ruling comes into force this weekend during the DTM round at Budapest.

The performance weights will still be allocated in the same amount for all six cars of any manufacturer. To do so, the average of the 28 fastest race laps (48 race laps at the Norisring) for each car will be calculated. From the two best average lap times of each brand, the average will be determined once more and this will serve as the basis for the weight allocation. This allocation will be done according to the method currently in place, after each race.

Prior to the season, the manufacturers already had agreed upon the possibility to evaluate the performance weight procedure. It was decided that fine-tuning would only be done when it would be apparent that the characteristics of the new tyres and the other measures weren’t making qualifying to a meaningful indication for the performance of the cars in the race. Based on the experiences from the first two weekends of racing at Hockenheim and at the Lausitzring, it was now decided to use the race, rather than qualifying, as the basis for assessment.

“This is a fine-tuning measure that the manufacturers and the DMSB have agreed upon in mutual consent and with a sense of proportion,” says Gerhard Berger, chairman of the DTM organisation ITR. “We want to deliver races for the fans that are thrilling and can’t be predicted. The course of the action at Hockenheim and at the Lausitzring went into the right direction. The fine-tuning that has now been put in place should bring us another step closer to achieving our goal.”

Initial situation and status quo

The initial weight at the start of the season was 1,125 kilograms for all three manufacturers. With the change of the regulations coming into force, after four of 18 races, the individual weights are 1,115 kg for Audi, 1,120 kg for BMW and 1,130 kg for Mercedes-AMG.

Starting with the basic weight of 1,125 kg, a maximum of 30 kg can be taken out via the performance weight allocation, meaning that the minimum weight would be 1,095 kg. The maximum addition would be 15 kg, leading to a maximum weight of 1,140 kg.

The six scenarios for the measurement of the performance weight allocation:

Performance Gewichte in der DTM-Saison 2016: Szenario 1

Szenario 1
The averages of the second- and third-fastest brand are less than 0.1 percent slower than the average of the fastest brand = the weights of the cars of all three manufacturers remain unchanged.

Performance Gewichte in der DTM-Saison 2016: Szenario 2

Szenario 2
The average of the second-fastest brand is less than 0.1 percent slower than the average of the fastest brand. The average of the third-fastest brand is between 0.1 percent and 0.2 percent slower = the cars of the third-fastest brand can take out 2.5 kg, the cars of the second-fastest and fastest brand have to add 2.5 kg.

Performance Gewichte in der DTM-Saison 2016: Szenario 3

Szenario 3
The average of the second-fastest brand is less than 0.1 percent slower than the average of the fastest brand. The average of the third-fastest brand is more than 0.2 percent slower = the cars of the third-fastest brand can take out 5 kg, the cars of the second-fastest and fastest brand have to add 5 kg.

Performance Gewichte in der DTM-Saison 2016: Szenario 4

Szenario 4
The averages of the second- and third fastest brand are in between 0,1 and 0.2 percent slower than the average of the fastest brand = the cars of the second- and third-fastest brand can take out 2.5 kg, the cars of the fastest brand have to add 2.5 kg.

Performance Gewichte in der DTM-Saison 2016: Szenario 5

Szenario 5
The average of the second-fastest brand is in between 0.1 and 0.2 percent slower than the average of the fastest brand. The average of the third-fastest brand is over 0.2 percent slower = the cars of the third-fastest brand can take out 5 kg, the cars of the fastest brand have to add 5 kg. For the cars of the second-fastest brand, the weight remains unchanged.

Performance Gewichte in der DTM-Saison 2016: Szenario 6

Szenario 6
The average of the second- and third-fastest brand are over 0.2 percent slower than the average of the fastest brand = the cars of the second- and third-fastest brand can take out 5 kg, the cars of the fastest brand have to add 5 kg.

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