Beside the boundary layer removal theory and new KERS unit (Lucca Marmorini "... compact, with the components grouped together centrally under the fuel cell...For 2013, we have succeeded in decreasing both the weight and the volume. That in turn involved improving the efficiency of the system, which is an important step when we look ahead to the 2014 regulations, when the system will have to perform for much longer. This meant finding a way to decrease the drop off in performance, particularly as far as the batteries are concerned. ") which is also used by Sauber there is also the new TAG 320 SECU located somewhere in this area under the drivers' legs.
TAG 320 wrote:
Environmental:
- Splash resistant to standard motorsport fluids
- Lids sealed with o-rings
- Maximum humidity 100%
- Minimum operating temperature 0°C
- Internal temperature not to exceed 70°C as measured by internal diagnostic sensors
- Adequate forced-air cooling must be applied to ensure the internal operating temperature remains within specified limits
- Storage temperature -25°C to +85°C
- Vibration 100 to 1000Hz, all axes, 24 hours
- Vibration isolation is recommended
There could also be problem with wiring loom insulation that have caused Bruno Senna's back burs last year at Williams (Williams: "To confirm, Bruno's burns were due to a wiring loom seal coming loose in the seat allowing heat from back of car to escape").