Press release
369KB
aprile 28, 2022 - Skoda
New generation ŠKODA FABIA Rally2 takes crew safety to next level
Comunicato Stampa disponibile solo in lingua originale.
› Future #rally version of ŠKODA FABIA benefits from road car’s advanced platform made of high-strength and ultra-high-strength steel
› Computer-calculated roll cage made from more than 35 metres of steel tubes forms the backbone of the safety structure to protect the crew
Mladá Boleslav, 28 April 2022 – The new generation ŠKODA FABIA Rally2 is based on a different chassis than the current #rally car. The change to Volkswagen Group’s Modular Transverse Matrix MQB-A0 platform gave the engineers of ŠKODA Motorsport the
opportunity to further improve the already highly efficient safety structure of the most successful car of the Rally2 category.
Engineers not often have the chance to develop a #racing car from scratch. With the new generation ŠKODA FABIA Rally2, exactly this opportunity came for the development team of ŠKODA Motorsport. The road car used as starting point is the first FABIA generation based on
Volkswagen Group’s Modular Transverse Matrix MQB-A0 platform. “The production ŠKODA FABIA’s new platform is made of high-strength and ultra-high-strength steel in areas critical for passenger safety. This is beneficial for the new generation ŠKODA FABIA Rally2 as well.
It translates into further improved torsional strength of the floor structure and better durability of the #rally car’s bodyshell,” explains #tomaskarnis, safety engineer at ŠKODA Motorsport.
Since its debut in 2015, the current generation ŠKODA FABIA Rally2 proved its strength in accidents on special stages. “The analysis of these accidents gave us vital data to move the safety standards of the new generation ŠKODA FABIA Rally2 even further. We aligned this data with
other experience gathered with the current #rally car and redefined the load cases for the new generation ŠKODA FABIA Rally2’s bodyshell,” continues Karniš.
The team of engineers made several loops of computer simulations using the Finite Element Method (FEM). This approach, simply said, allows to simulate the behaviour of complex systems by the decomposition to a huge number of simple elements with known properties. Their relations are driven by equations. “The calculations were followed by extensive testing on asphalt and gravel roads to validate the result of the simulation,” adds Karniš.
New generation ŠKODA FABIA Rally2’s safety exceeds the requirements set by the FIA A roll cage forms the backbone of the strategy for crew safety also onboard the new generation ŠKODA FABIA Rally2. In general, dimensions and material are defined by the regulations of the governing body FIA. The new generation ŠKODA FABIA Rally2’s safety cell exceeds the FIA requirements in certain areas. For example, the gussets relevant for side impact are significantly oversized compared to the FIA rules.
The FABIA #rally version’s roll cage consists of more than 35 metres of high-strength chromemolybdenum tubes. “Our technicians apply an inventive way of building this part of the car: The safety cell is hand-welded by certified experts onto the bare platform during construction – before the side parts and the roof are added. This method guarantees higher accuracy as well as better
tube connections and body shape copying,” describes #tomaskarnis.
While all aspects of the safety structure of the new generation ŠKODA FABIA Rally2 have been improved, the main goal was to significantly increase side impact safety. To meet this target, the engineers at ŠKODA Motorsport worked on three areas: seat mountings, roll cage door cross and door panels. The left and the right side of the new generation ŠKODA FABIA Rally2 are connected by the structure of the seat holders and an additional rail. Thus, the forces of a side impact are better transferred from one side of the car to the other. “This reduces deformation of the bodyshell and the roll cage. We surpass the FIA requirements also in this area,” comments Karniš. Additionally, the new generation ŠKODA FABIA Rally2 features massive gussets in the roll cage’s door crosses, which give further protection against lateral forces.
The inner door skins of a Rally2 car have to be filled with energy absorbing foam. “The padding of the new generation ŠKODA FABIA Rally2 exceeds the FIA mandated volume in this area as well,” says #tomaskarnis. Additionally, six layers of carbon fibre and Kevlar seal the foam in the direction of the cockpit to protect the crew from sharp fragments.
Apart from that, the seatbelt mounting system has been improved as well. An additional roll cage tube on each side of the car has been added to further improve the strength and stiffness of the shoulder straps mounting points. Finally, driver and co-driver onboard the new generation ŠKODA FABIA Rally2 can count on a proven fire extinguishing system, which combines an automatic unit featuring foam spraying nozzles in both cockpit and engine compartment with handheld fire extinguishers.
One welcome side aspect of the further improved safety structure is increased durability of the bodyshell, which translates into reduced running costs for the ŠKODA Motorsport customer teams. Safety engineer #tomaskarnis emphasizes: “The durability of the newly developed bodyshell is on a different level compared to our current #rally car.”
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